50 Beautiful Flowers The Start With The Letter K (2024)

Flowers are truly unique when it comes to variety. In fact, you can pick a single letter of the alphabet, and you’ll find tons of fabulous flowers. And the letter ‘K’ is no exception. In this article, I’ll explore 50 beautiful flowers that start with the letter ‘K.’

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Table of Contents:

  • 50 Knockout Flowers That Start With The Letter ‘K’
  • Flowers That Start With ‘K’ FAQs

50 Knockout Flowers That Start With The Letter ‘K’

1) Kaffir Boom Tree

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Commonly known as African coral trees, kaffir boom trees are deciduous trees native to parts of southeastern Africa. These attractive trees have compound leaves consisting of three elliptical to oval-shaped leaflets. Kaffir boom trees also produce clusters of red flowers before the leaves appear.

Kaffir boom trees are members of the legume or pea family (Fabaceae). These trees also have stout trunks covered in smooth bark and small, intermittent thorns. Kaffir boom trees flower from winter until spring in the Southern Hemisphere.

Scientific Name:Erythrina caffra
Native Range:Africa
Flowering Season:Winter to spring

2) Kaffir Lily

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Kaffir lilies are commonly known as crimson flag lilies or river lilies. These colorful flowers are native to southern parts of Africa, including Zimbabwe. Kaffir lilies aren’t actually lilies and, instead, come from the iris family (Iridaceae).

These flowers that start with the letter K are semi-evergreen perennial plants that produce clumps of narrow lance-shaped leaves. These plants typically grow up to 2 feet tall. Kaffir lilies also have spikes of red, pink, or white flowers with six petals. These plants bloom from summer until fall.

Scientific Name:Hesperantha coccinea
Native Range:Africa
Flowering Season:Summer to fall

3) Kahili Ginger

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Also known as Khalia garland-lilies, Kahili ginger plants are herbaceous perennials from the ginger family (Zingiberaceae). These plants are native to parts of South Asia, such as India, Bhutan, and Nepal. Although used as ornamental plants, Kahili ginger plants are seen as invasive in some areas.

Kahili ginger plants have large banana-like leaves and tall, upright stems. These stems are topped with spikes of pale yellow or red flowers from summer to fall. These flowers produce a robust and heady fragrance.

Scientific Name:Hedychium gardnerianum
Native Range:South Asia
Flowering Season:Summer to fall

4) Kahuli Snail Vine

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Commonly known as corkscrew flowers, snail vines are unusual flowering vines from the legume family. Snail vines are native to tropical regions of Central and South America. As such, they thrive in warm conditions in USDA Zones 9 to 12.

These charismatic perennial vines that start with K have palmate evergreen leaves divided into three leaflets. Snail vines have fragrant spiral-shaped flowers that can be lilac, white, or creamy yellow. Snail vines can climb up to 30 feet tall when given enough support.

Scientific Name:Vigna caracalla
Native Range:South America
Flowering Season:Summer to fall

5) Kalanchoe

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Kalanchoe blossfeldiana is one of the most popular types of kalanchoe plants. These popular flowering houseplants are native to Madagascar and come from the stonecrop family (Crassulaceae). Kalanchoe flowers can also be grown outdoors in Zones 10 to 12.

These bushy evergreen plants have smooth, succulent-like leaves with wavy edges. Kalanchoe plants need about ten hours of bright light daily to flower indoors. When in bloom during fall and winter, kalanchoe plants produce red, orange, or white flower clusters. They are also rich in meaning and symbolism.

Scientific Name:Kalanchoe blossfeldiana
Native Range:Madagascar
Flowering Season:Fall to winter

6) Kalimeris

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Commonly known as Japanese asters, Kalimeris flowers are charming perennials from the aster or daisy family. Kalimeris flowers are native to parts of East Asia, such as Japan, Korea, and China. These flowers thrive in full sun in Zones 5 to 9.

These beautiful plants that start with the letter K grow in clumps of slender, dark green leaves. During summer and fall, Kalimeris plants produce mats of light blue flowers that resemble daisies. These attractive flowers have golden yellow central florets. Kalimeris flowers grow best in moist, well-draining soils.

Scientific Name:Kalimeris incisa
Native Range:East Asia
Flowering Season:Summer to fall

7) Kalm’s Lobelia

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Kalm’s lobelias are herbaceous perennials from the bellflower family (Campanulaceae). These flowers are native to parts of the northern United States and Canada. Kalm’s lobelias, also known as Ontario lobelias, thrive in full sun and moist soils.

These hardy flowers that start with K grow in clumps of slender, oblong leaves. Kalm’s lobelias produce small blue flowers with three lower lobes and white centers. These pretty little flowers bloom from summer until fall, typically between July and September.

Scientific Name:Lobelia kalmii
Native Range:North America
Flowering Season:Summer to fall

8) Kalmia

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Commonly known as mountain laurel flowers, Kalmia plants are evergreen shrubs from the heather family (Ericaceae). Kalmia shrubs are native to eastern regions of the United States. The Kalmia shrub is also the official state flower of Connecticut.

Kalmia shrubs have glossy, oval-shaped leaves that gradually turn purplish-green throughout the year. From spring until summer, Kalmia shrubs are laden with white or light pink cup-shaped flowers with reddish pink spots. Kalmia shrubs make excellent ornamental shrubs in Zones 4 to 9.

Scientific Name:Kalmia latifolia
Native Range:United States
Flowering Season:Spring to summer

9) Kamchatka Lily

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Kamchatka lilies are also known as Kamchatka fritillaries or chocolate lilies. These bulbous perennials come from the lily family (Liliaceae). Kamchatka lilies are native to northern parts of Asia and North America. These flowers grow best in Zones 4 to 8.

These lovely flowers that start with the letter K produce upright stems from fleshy underground bulbs. The stems are covered in whorls of lanceolate leaves. Kamchatka lilies also grow nodding bell-shaped dark brown or purplish-brown flowers with mottled yellow markings inside the petals.

Scientific Name:Fritillaria camschatcensis
Native Range:Asia & North America
Flowering Season:Spring to summer

10) Kamiesberg Buttercup

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Commonly known as African buttercups, Kamiesberg buttercups are herbaceous perennials native to southern parts of Africa. Kamiesberg buttercups are members of the buttercup family (Ranunculaceae). These vibrant flowers thrive in wetland habitats and require moist soils.

These flowers that start with K have basal rosettes of hairy evergreen leaves. Each leaf is divided into two leaflets and has toothed margins. Kamiesberg buttercups also have bright yellow cup-shaped flowers. These plants bloom in the Southern Hemisphere during the summer, usually between September and May.

Scientific Name:Ranunculus multifidus
Native Range:Africa
Flowering Season:Summer

11) Kangaroo Apple

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Kangaroo apple flowers are commonly known as New Zealand nightshade or pam plums. These evergreen shrubs come from the nightshade family (Solanaceae). Kangaroo apple plants are native to parts of Australia and New Zealand. These plants are considered to be invasive in California.

Kangaroo apple shrubs have upright stems and dark green, glossy, lance-shaped leaves. These shrubs produce beautiful, cup-shaped purple or white flowers. These plants are poisonous, although the fruits are edible once they are ripe.

Scientific Name:Solanum aviculare
Native Range:Australia & New Zealand
Flowering Season:Spring to summer

12) Kangaroo Paw

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Kangaroo paw plants comprise 11 perennials from the bloodwort family (Haemodoraceae). These unusual plants are native to southwestern regions of Australia. Kangaroo paw plants can also be grown in Zones 9 to 12 or as houseplants.

These intriguing flowers that start with the letter K spread via underground rhizomes, forming dense clumps of slender, grayish-green grass-like leaves. Kangaroo paw plants also have upright, leafless stalks topped with racemes of tubular red, orange, or yellow flowers. The flowers are covered with fine hairs.

Scientific Name:Anigozanthos spp.
Native Range:Australia
Flowering Season:Spring to fall

13) Kangaroo Vetch

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Kangaroo vetch is more commonly known as cow vetch or tufted vetch. These herbaceous perennials come from the legume family and are native throughout Asia and Europe. Kangaroo vetch is a popular fodder plant for cattle.

These adaptable, fast-growing perennials that start with K have long leaves divided into up to 12 pairs of oblong leaflets. Each leaf has a tendril at the tip. During the summer, kangaroo vetch plants produce one-sided racemes of blue or purple pea-like flowers.

Scientific Name:Vicia cracca
Native Range:Asia & Europe
Flowering Season:Summer

14) Kanuka

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Kanuka shrubs are members of the Myrtle family (Myrtaceae). These evergreen plants grow as large shrubs or small trees. Kanuka plants are native to parts of New Zealand and were used extensively by the Maori to make medicine, tools, and weapons.

I love the unusual bark, which peels off in long, shaggy strips. Kanuka trees also have elliptical or lance-shaped leaves. From spring until summer in the Southern Hemisphere, Kanuka trees produce dense, hanging clusters of slightly fragrant white flowers.

Scientific Name:Kunzea ericoides
Native Range:New Zealand
Flowering Season:Spring to summer

15) Katsura Tree

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Katsura trees are gorgeous deciduous trees native to Japan and China. Katsura trees also make excellent ornamental trees for Zones 4 to 8 gardens. When their leaves drop in the fall, Katsura trees produce a subtle fragrance similar to caramel.

Interestingly, they showcase heart-shaped, deciduous, reddish-purple leaves that unfurl in the spring. The leaves turn bluish-green during the summer before turning gold or red in the fall. Katsura trees have small red flowers during the spring.

Scientific Name:Cercidiphyllum japonicum
Native Range:Japan & China
Flowering Season:Spring

16) Kawakawa

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Kawakawa plants are small evergreen trees that are native to New Zealand. These trees belong to the pepper family (Piperaceae). Kawakawa trees can grow up to 20 feet tall and were used by the Maori people as medicinal plants.

What’s more, they have rounded to heart-shaped glossy leaves that are fed on by the larvae of the Kawakawa looper moth. Kawakawa trees also have spikes of inconspicuous green flowers. These flower spikes then develop into edible orange or yellow berries.

Scientific Name:Piper excelsum
Native Range:New Zealand
Flowering Season:Spring to summer

17) Kenilworth Ivy

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Also known as ivy-leaved toadflax, Kenilworth ivy plants are members of the plantain family (Plantaginaceae). Kenilworth ivy plants were originally native to Southern Europe but have become naturalized across Europe and North America. This adaptable plant frequently grows in cracks in paths and old walls.

This lovely ivy has rounded or heart-shaped leaves with approximately five to seven rounded lobes. Kenilworth ivy plants also produce small, violet flowers with yellow centers and black stripes on the upper petals.

Scientific Name:Cymbalaria muralis
Native Range:Europe
Flowering Season:Spring to fall

18) Kentucky Bluegrass

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Kentucky bluegrass is a herbaceous perennial from the grass family (Poaceae). Despite its common name, Kentucky bluegrass isn’t native to North America. Instead, it is native to parts of Asia, Europe, and North Africa.

Interestingly, this type of grass was introduced to North America by the Spanish. These attractive grasses have bluish-green leaves with a silvery sheen. From spring until summer, Kentucky bluegrass produces panicles of purplish-green flowers. Kentucky bluegrass may be classed as invasive in some areas.

Scientific Name:Poa pratensis
Native Range:Asia, Europe, & North Africa
Flowering Season:Spring to summer

19) Kentucky Coffeetree

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Kentucky coffeetrees are also known as American coffee berry trees. These deciduous trees come from the legume family and are native to the United States and Canada. The coffeetree seeds can be roasted as a substitute for true coffee beans.

Kentucky coffeetrees are tall, relatively fast-growing trees with scaly gray bark. These trees have bluish-green bipinnate leaves that turn yellow in the fall. The leaves are divided into approximately 14 pairs of hairy leaflets and are accompanied by greenish-white flowers.

Scientific Name:Gymnocladus dioicus
Native Range:North America
Flowering Season:Spring to summer

20) Kenya Lily

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Kenya lilies are more commonly known as flame lilies or gloriosa lilies. These striking, colorful flowers are some of the rarest flowers in the world. Kenya lilies are native to parts of Africa and Asia. These flowers aren’t true lilies because they belong to the autumn-crocus family (Colchicaceae).

These large flowers that start with the letter K have bright red recurved petals with wavy, yellow edges. These incredible flowers look like flames. Kenya lilies also have lance-shaped leaves.

Scientific Name:Gloriosa superba
Native Range:Africa & Asia
Flowering Season:Summer to fall

21) Kenya Violet

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Kenya violets are a type of African violet commonly grown as a houseplant. Despite their common name, Kenya violets are native to Tanzania in East Africa. Kenya violets come from the Gesneriad family (Gesneriaceae).

Like other African violets, Kenya violets produce rosettes of rounded to oval-shaped succulent-like leaves. What’s more, they showcase reddish veins on the undersides of the leaves. Kenya violets have light blue flowers with dark purple centers and can flower all year round indoors.

Scientific Name:Saintpaulia shumensis
Native Range:Africa
Flowering Season:Spring to winter

22) Kerria

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Kerria japonica comes from the rose family (Rosaceae), commonly known as Japanese kerria. These deciduous shrubs are native to parts of East Asia, including Japan, China, and Korea. Kerria shrubs are also grown as beautiful spring ornamentals in Zones 4 to 9.

For me, Kerria shrubs stand out for their gorgeous, pom-pom-like golden yellow flowers. Kerria shrubs also have slender leaves with noticeable veins. The leaves are bright green in the spring but fade to yellow in the fall.

Scientific Name:Kerria japonica
Native Range:East Asia
Flowering Season:Spring to summer

23) Keteleeria Tree

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Keteleeria trees are members of the pine family (Pinaceae). These woody evergreen trees are native to mountainous regions in China and Taiwan in East Asia. Keteleeria trees grow best in full sun in Zones 6 to 9.

Amazingly, these giant trees can grow up to 160 feet tall in their native range. Plus, they have scaly brown or dark gray bark and produce stiff, glossy needle-like leaves. During the spring, Keteleeria trees also produce small, inconspicuous flowers.

Scientific Name:Keteleeria davidiana
Native Range:Asia
Flowering Season:Spring

24) Khasia Berry

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Commonly known as golden Himalayan raspberries, Khasia berry plants are evergreen shrubs from the rose family. These thorny shrubs are native to parts of Asia, including China, India, Nepal, Pakistan, and the Philippines. Although these shrubs thrive in Zones 7 to 10, they are classed as one of the world’s most invasive plants.

These shrubs that start with the letter K have highly variable leaves with toothed edges and bristly hairs. Khasia shrubs produce small white flowers followed by edible golden yellow fruits similar to raspberries.

Scientific Name:Rubus ellipticus
Native Range:Asia
Flowering Season:Winter to spring

25) King Fern

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Also known as elephant or giant ferns, king ferns are impressive members of the Marattiaceae family. These enormous ferns are native to parts of Asia and the Pacific. This species originated over 300 million years ago but can be highly invasive.

Fun fact – King ferns have the longest fronds of any fern in the world, reaching up to 30 feet long! The fronds emerge from large, spherical rhizomes. Each frond consists of up to 12 pairs of leaflets.

Scientific Name:Angiopteris evecta
Native Range:Asia & Oceania
Flowering Season:Spring to winter

26) King of the Poinsettias

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‘King of the Poinsettias’ refers to the popular poinsettia plant. These shrubs are native to Central America and Mexico and come from the spurge family (Euphorbiaceae). Poinsettias are popular houseplants, especially at Christmas.

This seasonal favorite grows in clumps of dark green leaves alongside bright red bracts that resemble their standard leaves. Tiny clusters of yellow flowers sit in the center of each group of bracts. Poinsettias thrive outdoors in Zones 9 to 11.

Scientific Name:Euphorbia pulcherrima ‘King of the Poinsettias’
Native Range:Central America
Flowering Season:Winter to spring

27) King Protea

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King proteas are impressive woody shrubs from the protea family (Proteaceae). These enormous flowers are the national flower of their native South Africa. King proteas inhabit shrublands but also thrive in Zones 9 to 12.

These stunning flowers that start with the letter K have giant composite flower heads with bowl-shaped central florets of greenish-white to reddish-pink flowers. Large, stiff bracts surround the central florets. King protea flower heads emerge from clumps of dark green, elliptical leaves with a glossy, leathery texture.

Scientific Name:Protea cynaroides
Native Range:South Africa
Flowering Season:Spring to fall

28) King’s Beard

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King’s beard is a type of milkwort from the Polygalaceae family. These herbaceous annuals are native to parts of Asia and Australia, including China, India, Pakistan, and Thailand. These plants thrive in grassland habitats or hilly slopes.

These plants that start with K have semi-woody stems and variable leaves. The leaves can be elliptical, lanceolate, or oval-shaped. King’s beard plants also have green flowers with two outer sepals and inner stamens. The flowers can bloom from spring to fall.

Scientific Name:Polygala chinensis
Native Range:Asia & Australia
Flowering Season:Spring to fall

29) King’s Mantle

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King’s mantle flowers are also known as bush clock vines. These attractive evergreen shrubs come from the acanthus family (Acanthaceae). King’s mantle flowers are native to parts of West Africa. These shrubs also make excellent ornamentals in Zones 10 and 11.

I love the fact these shrubs have slightly fragrant ovate leaves with pointed tips. What’s more, from summer until fall, these shrubs produce clusters of large violet flowers with yellow centers. These tubular blooms also have white tubes underneath the petals.

Scientific Name:Thunbergia erecta
Native Range:Africa
Flowering Season:Summer to fall

30) King’s Spear

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Also known as yellow asphodel, king’s spear plants are herbaceous perennials native to parts of Africa, Europe, and Western Asia. These flowers come from the Asphodelaceae family. King’s spear flowers are perennial in Zones 6 to 9 but can also be grown as annuals in cooler areas.

These flowers that start with K grow in clumps of upright stems and grayish-green grass-like leaves. In addition, they produce racemes of tubular yellow flowers that emit a noticeable fragrance between May and June.

Scientific Name:Asphodeline lutea
Native Range:Africa & Europe
Flowering Season:Spring to summer

31) Kingcup

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Commonly known as marsh marigolds, kingcups are herbaceous perennials from the buttercup family (Ranunculaceae). These charming flowers are native to wetland and woodland habitats throughout the Northern Hemisphere. Kingcups can also be grown as ornamentals or pond plants in Zones 3 to 7.

You’ll spot Kingcups growing in clumps of dark green heart-shaped leaves. Plus, they also have bright yellow cup-shaped flowers that bloom from spring until summer. Kingcups can be planted in shallow ponds as marginal flowers that attract pollinators.

Scientific Name:Caltha palustris
Native Range:Northern Hemisphere
Flowering Season:Spring to summer

32) Kinkaku Tree Peony

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Kinkaku tree peonies are gorgeous, dramatic flowers from the peony family (Paeoniaceae). These tree peonies belong to a group of hybrids originally cultivated in China. Kinkaku tree peonies are beautiful ornamental shrubs that thrive in Zones 4 to 7.

Interestingly, these peonies are upright shrubs with alternate oval-shaped or ovate leaves. These leaves have bluish-green undersides. Kinkaku tree peonies bloom during the spring, producing large, colorful peony flowers with a beautiful fragrance.

Scientific Name:Paeonia suffruticosa
Native Range:China
Flowering Season:Spring to summer

33) Kinnikinnick

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Kinnikinnick plants are commonly known as bearberry plants. These woody evergreen shrubs belong to the heather family. Kinnikinnick shrubs are native to northern regions of the Northern Hemisphere. These shrubs grow best in cooler climates in Zones 2 to 6.

These flowers that start with the letter K have a creeping habit and produce stiff, glossy dark green leaves. These leaves are green in spring but turn reddish-purple in winter. These shrubs also have small lantern-shaped pink or white flowers in the spring.

Scientific Name:Arctostaphylos uva-ursi
Native Range:Northern Hemisphere
Flowering Season:Spring

34) Kiss Me Quick

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Kiss me quick is a beautiful evergreen shrub that is native to Brazil. These shrubs come from the nightshade family (Solanaceae). Kiss me quick is also cultivated as an ornamental plant in Zones 8 to 11.

These bushy shrubs that start with K have glossy, oval-shaped dark green leaves and smooth, grayish-brown bark. What’s more, they produce inflorescences of purple and white flowers. Each cluster can contain up to ten flowers. There are also lance-shaped bracts underneath the flowers.

Scientific Name:Brunfelsia pauciflora
Native Range:Brazil
Flowering Season:Spring to summer

35) Kiss-me-over-the-garden-gate

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Kiss-me-over-the-garden-gate is a herbaceous annual that is native to China but has become widely naturalized around the world. These flowers belong to the knotweed family (Polygonaceae). Kiss-me-over-the-garden-gate is a popular ornamental annual that grows best in Zones 7 to 10.

In my experience, these fast-growing plants also stand out for their arching stems with heart-shaped to lance-shaped leaves. These leaves also have fine gray hairs. Kiss-me-over-the-garden-gate also has hanging racemes of tiny, fragrant pink, magenta, or reddish-pink flowers from summer until fall.

Scientific Name:Persicaria orientalis
Native Range:China
Flowering Season:Summer to fall

36) Klasea

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Klasea flowers come from the Klasea genus from the aster or daisy family (Asteraceae). These perennial flowers are native to parts of Southern Europe and North Africa. Klasea flowers are pretty rare but can still be cultivated.

These lovely plants form clumps of glossy, lance-shaped leaves with a leathery texture and serrated margins. Klasea plants bloom from summer until fall and have thistle-like flowers. Plus, these flowers that start with the letter K come in several colors ranging from purple to white.

Scientific Name:Klasea flavescens
Native Range:Europe & North Africa
Flowering Season:Summer to fall

37) Klondike Cosmos

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Klondike cosmos flowers are a charming type of cosmos with bright yellow, orange, and red flowers. Klondike cosmos flowers are annuals with several branching stems and feathery compound leaves. Each leaf is divided into two or three leaflets.

Like all types of cosmos, Klondike cosmos flowers come from the aster family. These colorful annuals are native to Central and South America. Being annuals, Klondike cosmos flowers can be grown in Zones 2 to 11.

Scientific Name:Cosmos sulphureus ‘Klondike’
Native Range:Central & South America
Flowering Season:Spring to fall

38) Knapweed

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Knapweed plants are herbaceous perennials native to parts of Europe and the Middle East. These popular wildflowers have nectar-rich, thistle-like flowers that sit on top of scaly bracts and attract pollinators. Knapweed flowers also have lance-shaped or pinnate leaves.

These flowers that start with the letter K come from the Centaurea genus of the aster family. The genus contains approximately 700 species native to parts of Europe and the Middle East. A word of caution, though some types of knapweed may be considered invasive.

Scientific Name:Centaurea spp.
Native Range:Europe & the Middle East
Flowering Season:Summer to fall

39) Knautia

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Knautia arvensis flowers are commonly known as field scabious, despite not belonging to the Scabiosa genus. Knautia flowers come from the honeysuckle family (Caprifoliaceae). These beautiful perennial wildflowers are native to parts of Europe and the Caucasus.

Interestingly, these plants have pincushion-like flower heads comprised of tiny white florets surrounded by light blue petals. In addition, Knautia flowers also grow from clumps of long, lance-shaped leaves. These perennials grow best in chalky soils in Zones 4 to 10 and attract pollinators.

Scientific Name:Knautia arvensis
Native Range:Europe
Flowering Season:Summer to fall

40) Knawel

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Knawel flowers are herbaceous annuals or biennials from the carnation family (Caryophyllaceae). These flowers are native to Asia, Europe, and North Africa. Knawel flowers are considered to be weeds and have been introduced to North America.

Knawel plants have several branched stems with stiff, needle-like leaves. In spring, knawel plants produce clusters of bell-shaped flowers with green sepals. These flowers grow best in bare soil or recently disturbed areas, sometimes near river banks.

Scientific Name:Scleranthus annuus
Native Range:Asia, Europe, & North Africa
Flowering Season:Spring

41) Knobby Club-Rush

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Knobby club-rushes are perennial plants from the sedge family (Cyperaceae). These plants are native to parts of Australia, New Zealand, and South Africa. Knobby club-rushes thrive in coastal or wetland habitats, especially areas with salty or sandy soils.

These flowers that start with the letter K grow in dense clumps of smooth, yellowish-green stems that reach over 3 feet tall. These plants flower during the summer in the Southern Hemisphere. The orange-brown flowers are borne in clusters near the tip of the stems.

Scientific Name:Ficinia nodosa
Native Range:Australia, New Zealand, & South Africa
Flowering Season:Summer

42) Knotgrass

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Also known as birdweed or prostrate knotweed, knotgrass is a herbaceous annual from the Polygonaceae family. Originally native to parts of Asia, Europe, and North America, knotgrass has also spread to the Southern Hemisphere.

These plants stand out for their slender stems and hairless, elliptical leaves. From summer until fall, knotgrass plants produce greenish-white flowers that occasionally have pink margins. Knotgrass thrives in fields, grasslands, and along roadsides. The seeds can lay dormant for years within the soil.

Scientific Name:Polygonum aviculare
Native Range:Asia, Europe, & North America
Flowering Season:Summer to fall

43) Knotting Gall

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Also known as Indian mercury or Indian nettle, knotting gall is a herbaceous annual from the spurge family. These plants have upright stems and oval-shaped leaves with wavy margins. From summer until fall, knotting gall plants have tiny greenish-white flowers protected by cup-shaped bracts.

Knotting gall plants are native to tropical regions of Asia and West Africa. These plants are also native to islands in the Indian Ocean and have been introduced to the Southern Hemisphere.

Scientific Name:Acalypha indica
Native Range:Africa & Asia
Flowering Season:Summer to fall

44) Kolkwitzia

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Kolkwitzia shrubs are more commonly known as beauty bushes. These gorgeous deciduous shrubs are originally native to China but are now cultivated worldwide. Kolkwitzia shrubs are fabulous spring ornamentals to grow in Zones 4 to 8.

These flowers that start with K showcase arching stems with flaky brown bark and ovate leaves with toothed margins. They typically grow up to 8 feet tall and wide. In the spring, Kolkwitzia shrubs are laden with hanging clusters of light or dark pink bell-shaped flowers.

Scientific Name:Kolkwitzia amabilis
Native Range:China
Flowering Season:Spring

45) Korean Chrysanthemum

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Also known as Indian chrysanthemums, Korean chrysanthemums are colorful woody perennials from the aster family. These chrysanthemums are native to parts of Asia, including India and Korea. Korean chrysanthemums can also be grown as ornamental plants in Zones 7 to 12.

These flowers that start with the letter K bloom from summer until fall, producing masses of yellow daisy-like flowers. Korean chrysanthemums also have dark green, ovate leaves with five lobes. The leaves are also slightly aromatic. These adaptable flowers thrive in almost any soil.

Scientific Name:Chrysanthemum indicum
Native Range:Asia
Flowering Season:Summer to fall

46) Korean Dogwood

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Korean dogwood trees are also known as Chinese or Japanese dogwood. Korean dogwoods have dark green oval-shaped leaves. In spring, these dogwoods have masses of white flowers with four petal-like bracts. These bracts protect the true yellowish-green flowers.

These flowers that start with K are native to parts of East Asia, including Korea, China, and Japan. These deciduous trees come from the Cornaceae family. Korean dogwoods grow more upright than the popular Cornus florida species native to North America.

Scientific Name:Cornus kousa
Native Range:East Asia
Flowering Season:Spring to summer

47) Korean Fire Camellia

50 Beautiful Flowers The Start With The Letter K (48)

The ‘Korean Fire’ camellia is a gorgeous cultivar derived from the Japanese camellia (Camellia japonica). This variety blooms during the spring and produces breathtaking red flowers with yellow stamens in the center. ‘Korean Fire’ camellias also have dark green oval-shaped, glossy leaves with serrated margins.

Like other Japanese camellias, this cultivar is native to parts of East Asia, including Japan, Korea, and China. ‘Korean Fire’ camellias thrive in Zones 6 to 9 and can bloom for several months.

Scientific Name:Camellia japonica ‘Korean Fire’
Native Range:East Asia
Flowering Season:Spring

48) Korean Lilac

50 Beautiful Flowers The Start With The Letter K (49)

Korean lilacs are fragrant deciduous shrubs from the olive family (Oleaceae). These beautiful plants are native to parts of East Asia, such as China and Korea. Korean lilac shrubs also make excellent ornamental plants in Zones 3 to 7.

Interestingly, Korean lilac shrubs have dark green oval-shaped leaves that turn reddish-brown in the fall. What’s more, from late spring until early summer, Korean lilac shrubs produce dense panicles of small, pink flowers. Each flower has four petals and creates a gorgeous heady fragrance.

Scientific Name:Syringa meyeri
Native Range:East Asia
Flowering Season:Spring to summer

49) Korean Mint

50 Beautiful Flowers The Start With The Letter K (50)

Korean mint is a beautiful herbaceous perennial from the mint or sage family (Lamiaceae). This type of mint is native to Korea, China, Japan, and other parts of East Asia. These short-lived herbs can also be grown in the ground or in pots in Zones 4 to 9.

Like many members of the mint family, Korean mint has blade-like leaves with hairy undersides and serrated margins. These aromatic leaves produce a licorice-like fragrance when crushed. Korean mint also produces terminal spikes of small, purple flowers.

Scientific Name:Agastache rugosa
Native Range:East Asia
Flowering Season:Summer to fall

50) Kurume Azalea

50 Beautiful Flowers The Start With The Letter K (51)

Kurume azaleas are naturally occurring hybrid azaleas native to Japan. Horticulturalists have also cultivated these hybrids, and were first brought to North America in the 20th Century. Kurume azaleas come from the Rhododendron genus of the heather family.

These flowers that start with the letter K are evergreen or semi-evergreen shrubs with dark green, glossy leaves. These cold-hardy azaleas bloom in the spring. Kurume azaleas produce clusters of purple or magenta cup-shaped flowers with five petals and a few protruding stamens.

Scientific Name:Rhododendron obtusum
Native Range:East Asia
Flowering Season:Spring

Flowers That Start With ‘K’ FAQs

What Plant or Flower Starts With ‘K’?

Several plants and flowers start with the letter ‘K’. Some of the more common ones include kalanchoe flowers, knapweed, and kingcups. Another impressive flower that begins with ‘K’ is the king protea, which is the national flower of South Africa.

What Are the Orange Flowers That Start With ‘K’?

Some of the most common orange flowers that start with ‘K’ are kalanchoe flowers. These popular plants are frequently grown as flowering houseplants around the world.

What Houseplant Starts With ‘K’?

Kalanchoe plants are popular houseplants that start with the letter ‘K’. Kalanchoe plants are low-maintenance houseplants that thrive in bright light.

Are There Any Rare Flowers That Begin With ‘K’?

Kenya lilies, also known as gloriosa lilies, are some of the rarest flowers in the world. These striking flowers are native to parts of Africa and Asia.

What Are Some Unique Flowers That Start With ‘K’?

Several unique flowers start with the letter ‘K’. One of the most unusual is the Kahuli snail vine, which has exciting flowers that resemble snail shells. Kenya lilies also have beautiful but unusual flowers.

Flowers That Start With The Letter K – Wrapping Up

If you want beautiful colors and astounding variety, you could base your entire garden around flowers that start with the letter ‘K.,’ or create an alphabet-themed garden with flowers from each letter of the alphabet. Some of the most attractive flowers that begin with ‘K’ include kalanchoe flowers and Klondike cosmos.

For more, see our in-depth guide to:

  • 50 beautiful flowers that start with the letter ‘A’
  • 50 beautiful flowers that start with the letter ‘B’
  • 50 beautiful flowers that start with the letter ‘C’
  • 50 beautiful flowers that start with the letter ‘D’
  • 50 beautiful flowers that start with the letter ‘E’
  • 50 beautiful flowers that start with the letter ‘F’
  • 50 beautiful flowers that start with the letter ‘G’
  • 50 beautiful flowers that start with the letter ‘H’
  • 50 beautiful flowers that start with the letter ‘I’
  • 50 beautiful flowers that start with the letter ‘J’
  • 50 beautiful flowers that start with the letter ‘L’
  • 50 beautiful flowers that start with the letter ‘M’
  • 50 beautiful flowers that start with the letter ‘N’
  • 50 beautiful flowers that start with the letter ‘O’
  • 50 beautiful flowers that start with the letter ‘P’
  • 50 beautiful flowers that start with the letter ‘Q’
  • 50 beautiful flowers that start with the letter ‘R’
  • 50 beautiful flowers that start with the letter ‘S’
  • 50 beautiful flowers that start with the letter ‘T’

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50 Beautiful Flowers The Start With The Letter K (2024)

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