Seven Beginner Raised Bed Gardening Mistakes to Avoid (2024)

Many people prefer planting flowers and crops in raised garden beds, as it provides them with many benefits.Metal raised garden bedshave become extremely popular due to their eco-friendly materials and long-lasting durability.Inthis guide, we willdiscussthe importance of correctly setting up raised garden beds, and mistakes you can avoid.

Gardeners are always eager when planning for their raised garden beds. Unfortunately, what starts off as an enthusiastic project can come to a standstill due to some common beginner gardening mistakes, leading to anger and frustration. Below we’ll review some of the most common gardening mistakes most planters tend tomake that derailtheirefforts. Avoiding these mistakes will help you create a smart gardenthat provides you with good yields.

Raised garden beds are environmentally friendly and present many advantages for both experienced and new gardeners alike. They are preferable to in-ground beds because they offer better drainage, easier access, and more control over the quality of soil. Below are some common gardening mistakes to avoid. Even if you are a gardening expert, it is still useful to look over these suggestions to ensure a successful harvest and a pleasant gardening experience.

1. Picking The Wrong Spot

It is a common gardening mistakemade by many gardeners. It is essential that you orient the position of your raised garden bed correctly, as it proves very difficult to move your entire garden bed later on.Here are some factors you should take into account:

  • Sunlight:Choosing a spot that does not receive direct sunlight for at least six hours may have adverse effects on the plants. Ample sun is necessary for most plants to flourish, especially vegetables. Therefore, you should choose a sunny spot in your garden to situate your garden beds. You should not orient it East-West, but rather North-South to ensure the right amount of sunlight. Plant smaller crops in the front (from South to North) and the tallest crops in the back. Keep in mind that some plants such as peas prefer shade.
  • Level ground: Avoid low-lying areas that are prone to collecting water. Make sure the raised garden bed sits on level ground. Don’t place the raised bed against the fence or wall, as it prevents access from all four sides.
  • Harmony with the rest of the garden: You want to situate your raised bed in a place that blends in with the rest of your garden. Raised garden beds can be aesthetically pleasing if made with the right materials. However, you should prioritize the first two factors more, as they are essential for a well-functioning garden.

2. Not Thinking About The Water Source

    When you choose the area to place the raised garden bed, consider the water source, as both overwatering and underwatering can have detrimental effects on your plants. The place you chose should have nearby water access. To avoid constant watering, you can also think about a drip irrigation system. Many people will just use a lawn sprinkler system, which is inefficient. This wastes water and often causes problems related to fungal diseases. If you are planning on building only a few raised garden beds, a soaker hose is fine. They may be a good alternative if an irrigation system is too expensive. Also useful are indicator plants such as lettuce, which will quickly wilt if they don’t receive enough water.

    3. Raised Beds Placed Too Close Together

    Since using raised garden bedsmakes gardening more comfortable, you may feel likeinstalling multiplebeds. But placing them too closetogether can make it difficult to weed, plant, or harvest from the edges. So, you need to create a comfortable working area by allowing enough room between the raised beds. Having awalkwayof at least three to four feet between each bed offers you ample access, and allows you to move a wheelbarrow or cart around with ease.

    4. Crowding your Plants

    Most people think they can grow anything in raised garden beds, but this is not exactly true. You need to consider the scale and maturity of the plants. It is important to space the plants apart to allow room for them to grow. Many plants have deep root systems, which you need to consider so that they do not overcrowd each other and deplete nutrients in the soil. Raised vegetable beds should be at least 8 – 12 inches deep. Our productsare 17 - 32″deep which makes them capable of growing larger plants in addition to smaller ones.

    5. Planting the Wrong Plants

    A related issue is choosing plants that don’t do well in your specific climate, as some plants can’t withstand severe temperature fluctuations. For example, artichokes thrive in a specific environment with mild winters, cool summers, and plenty of moisture. Some plants, like asparagus, are perennials, so you should not plant them unless you want to harvest them every year.

    Tips:

    • You should start out with easy to grow vegetables if you are a beginner. These include tomatoes, zucchini, and bell peppers. Herbs such as basil, thyme, and mint are also easy to grow and tend to.
    • Select vegetables that will do well within the given climate and season. Crops can be grouped into cool-season crops and warm-season crops. Lettuce is a cool-weather crop and is best grown in the Spring and Fall.
    • Plant vegetables that you enjoy eating and use a lot in your cooking. That way, you will make the best use of your garden’s harvest. You can use plants that have defects or any surplus for the compost pile, which can then be recycled back into the soil.
    • You should introduce variety and avoid monocropping, which can deplete the soil of vital nutrients. A useful concept to learn is companion planting, a method that places plants with complementary characteristics in close proximity to each other, such as nutrient requirement or pest-repellent abilities, to maximize crop productivity. You can even add flowers to deter pests.

    6. Skipping Mulch

    This is one of the most common gardening mistakes that planters make with raised garden beds. Many people do not like mulch because it is expensive and heavy, but it is necessary for optimal results. While the gardenis raisedoff of the ground, weeds can grow invade your garden. Adding a layer with mulch can help keep the weeds at bay as well as retain moisture around the roots of the plants. Mulch also helps regulate the temperature of plants better than plain soil. Organic mulch can be used to improve soil quality and richness. It is important to keep the area weed free and avoid using herbicides in your raised bed. These toxic chemicals can linger for many years, and can migrate to other areas of your garden as run-off.

    7. Not Using the Correct Soil

    Soil should be fluffy, light, and well-draining. Gardeners often use garden soil, which can become compacted over time and restrict drainage. Potting soil, by contrast, drains too quickly. They also might use native soil, which often lacks nutrients and is unfit for vegetable growth. To avoid these mistakes, you should buy specialty bagged soil designed for raised garden beds, which has better nutrient composition and texture. Consider adding organic material like compost to the soil to improve its quality. However, be sure not to overload the nitrogen content, as it inhibits the growth of fruit-producing plants such as tomatoes. You can experiment and alter the ratios of soils depending on your needs for best results.

    Instead of makingthese mistakes, you can save time and effort by purchasing raised garden bed kit from a trusted source. That way, you don’t have to worry about using the right materials. Especially if you live in a wet and humid environment, you should consider steel beds, which are made from eco-friendly metal materials. Our professionals can guide you to the top-quality raised beds that will help you grow the right plants and produce a better harvest.

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    FAQs

    What do you put in the bottom of a raised garden bed? ›

    Layer the bottom with cardboard or newspaper as a weed barrier, which will decompose over time. Then, use a mix of yard waste, leaves, grass clippings, and kitchen scraps layered with soil and compost.

    What is the best layout for a raised bed vegetable garden? ›

    For home vegetable gardens, narrow beds up to four feet wide are best, as this enables the gardener to reach into the center of the bed. This avoids the requirement for digging and disturbing the existing soil structure, and soil compaction is reduced as there is no need to walk on it.

    Can a raised garden bed be too high? ›

    As long as it's easy for you to work in it, a raised garden bed can't be too tall, with one proviso: a taller bed is often a deeper bed, and the deeper the bed, the more soil it will hold, and the more pressure there will be on the sides of the bed.

    What vegetables grow well together in raised beds? ›

    Corn, beans, and squash are all excellent crops to grow together. These are larger crops, but if you have a big enough raised garden bed, it's no problem. The corn stalks provide a support structure for the beans, the beans add nitrogen to the soil, and the squash leaves protect the roots.

    What wood should not be used in a raised garden bed? ›

    Avoid using older types of wood treatments such as CCA, creosote, and Penta-treated lumber. Research from Oregon State University showed that pressure-treated lumber does increase soil copper concentrations by a minor amount, but only within 1 inch of the raised-bed edge.

    Why put cardboard in raised beds? ›

    It acts as a physical barrier to block out pernicious weeds. Usually, 2 – 3 layers of cardboard will suffice, though you may want layers in more weed-prone areas. The damp environment created by the cardboard is conducive to earthworms and other beneficial soil microorganisms.

    Should you put landscape fabric under a raised bed? ›

    The fact is, landscape fabric is not a necessity if say, you want to control weeds because the confined space makes it easier to control weeds. But, you can use landscape fabric as a raised bed liner for other reasons, such as preventing soil erosion or improving the life of the raised bed itself.

    What is the best filler for the bottom of a raised bed? ›

    Plant Waste or Compost

    We have a huge pile in the back of our property where we burn leaves, large pieces of wood that we don't want to split, twigs, etc. It's really good to layer all of that stuff in your raised beds as it will break down even more. There were, of course, ashes from burning which will also be good.

    How many bags of soil do I need for a 4x8 raised bed? ›

    As a rule of thumb, a 4'x8' raised bed that is 6 inches deep requires approximately 8 bags of soil while a 4'x8' raised bed that is 12 inches deep requires approximately 16 bags of soil.

    How deep should a raised planter be for vegetables? ›

    Vegetable Beds: On the other hand, when it comes to vegetable beds, the bed must be approximately 12 to 18 inches deep to ensure adequate depth for the roots of your plants. This is especially important if your raised bed is placed on cement or the patio, which will inhibit roots from growing deeper into the ground.

    What flowers grow best in raised beds? ›

    Popular annual flowers for raised beds include marigolds, petunias, snapdragons, pansies, and impatiens. These types of flower beds are also perfect for starting a cut flower garden with annual flowers such as zinnias, cosmos, larkspur, bachelor buttons, and dahlias.

    How deep should a raised garden bed be for tomatoes? ›

    Tomatoes should ideally be grown in a raised bed that's at least 15 to 18 inches deep. Many of my clients in Houston are successfully growing tomatoes in 12-inch deep raised garden beds, but their plants tend to be a little stunted compared to plants in deeper beds.

    Why not to use raised beds? ›

    Raised beds also need to be filled with soil, which can become expensive and requires a good understanding of soils and soil amending. Raised beds are more permanent than in-ground gardens, so planning for future use is essential. Some crops are not well suited to raised bed production.

    How deep should a raised bed be for cucumbers? ›

    Carrots, radishes and peppers thrive with 12 inches or more. Medium-rooting vegetables like kale, cucumbers, and zucchini love at least 18 inches. A 2-foot bed is ideal for these types of vegetables, as well as fruits that grow on bushes like blueberries, strawberries, and raspberries.

    What is the safest material for raised garden beds? ›

    Raised garden beds can be constructed from a variety of safe and sustainable materials. Cedar or redwood are two great options for wood as they are naturally rot-resistant and won't leach harmful chemicals into the soil.

    Should I put anything in the bottom of my planter? ›

    One of the best things to put at the bottom of a planter for drainage is broken pieces of pot. You can use any unwanted plant pots or chipped crockery for this – simply smash them up into small to medium-sized pieces. Adding a layer of broken pieces of pot like this will prevent compost loss out of the drainage holes.

    References

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