10 Best Cover Systems For Raised Garden Beds (2024)

Are you looking to get the most out of your home vegetable garden or raised garden bed?

Whether you're an experienced gardener or just starting out, it's important to know the different cover systems and which ones can benefit your garden!

In this blog post, we'll delve into various cover systems and protective covers that can help you maximize your garden's potential and address specific needs, from extending the growing season to efficient water usage and weed control.

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What are Cover Systems?

Cover systems in gardening serve various purposes and are used to protect plants, improve growing conditions, and enhance overall garden productivity.

Here are some key reasons why gardeners use cover systems:

1. Protection from Pests

These covers act as physical barriers, preventing unwanted visitors from accessing your crops.

2. Frost and Cold Protection

In colder climates or during early spring and late fall, cover systems like frost blankets and cold frames provide insulation and protect plants from frost and freezing temperatures, extending the growing season.

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3. Heat and Sun Protection

Shade cloths and sunscreens are used to reduce excessive heat and help prevent heat stress and sunburn on sensitive plants.

4. Weed Control

Mulch and ground covers act as weed barriers, suppressing weed growth and reducing the need for manual weeding.

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5. Soil Health

Cover crops, such as legumes and clover, are planted to cover the soil during the off-season to protect the soil from erosion, add organic matter, and improve soil structure and fertility.

6. Moisture Retention

Mulch and plastic covers help retain soil moisture by reducing evaporation in arid or drought-prone regions.

7. Improved Soil Temperature

Black plastic mulch can raise soil temperatures, benefitting heat-loving plants and accelerating early-season growth.

8. Protection from Harsh Weather

Covers like plastic or fabric can protect plants from heavy rain, hail, or strong winds, preventing physical damage to delicate foliage.

9. Season Extension

Greenhouses, hoop houses, and cold frames provide controlled environments for starting seeds, growing plants during the offseason, and cultivating warm-season crops in cooler climates.

10. Disease Management

Isolate and protect plants infected with diseases, preventing the spread of pathogens to healthy plants.

11. Water Efficiency

Drip irrigation systems, often used with cover systems like plastic mulch, deliver water directly to plant roots, reducing water waste and promoting efficient use of irrigation.

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12. Increased Yields

Cover systems can increase crop yields and healthier, more robust plants by creating optimal growing conditions and protecting plants from stressors.

Types of Cover Systems

1. Row Covers

Row covers are an excellent option for extending your growing season and protecting your plants. These lightweight fabrics, when placed over hoops or stakes, act as a shield against frost, pests, and harsh sunlight. They allow air and light to pass through while safeguarding your garden beds.

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2. Plastic Mulch

Black and clear plastic mulch can be laid on the soil surface to retain moisture, suppress weeds, and increase soil temperature. Also, it ensures better soil drainage and rapid growth, especially for heat-loving crops like tomatoes and peppers.

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3. Cold Frames and Mini Hoop Tunnels

Traditional cold frames and mini hoop tunnels provide a controlled environment for seed starting and early plant growth. These protective covers are an excellent idea for first-time gardeners and those dealing with late summer or cool-season cover crops.

4. Shade Cloth

In desert climates or during the scorching summer months, shade cloth is an excellent choice to protect plants from excessive heat and sun exposure while allowing essential light to filter through.

5. Netting and Mesh

Insect netting and deer netting are essential for guarding your plants against pests and wildlife. These garden bed covers ensure the efficient use of space and safeguard your crops.

6. Drip Irrigation Systems

Ensure efficient water usage, and work great in raised garden beds. These systems deliver water directly to the root systems, reducing water waste and the risk of waterborne diseases. Drip irrigation kits with a water timer and connection manifold are a good alternative for busy gardeners.

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Vego Garden has a Modular Cover System with drip irrigation that provides ultimate protection with durable, powder-coated steel and high-quality mesh covers that keep pests out and promote plant growth, plus easy installation!

7. Cover Crops

Planting cover crop seeds, such as winter rye or hairy vetch, during the winter months is a great way to protect your soil from erosion and improve its health. These cover crop residues can be easily turned into the soil in the spring, enriching it with organic matter.

8. Cardboard and Wood Chips

This low-cost method is a good choice for organic gardeners to suppress weeds and enhance soil structure, lay down layers of cardboard, and cover them with wood chips on top of the soil surface.

10. Upcycled Plastic Bottles

For those looking to reduce waste, consider using plastic bottles as cloches to protect individual plants. Simply cut off the bottom of the bottles and place them over your plants.

Final Thoughts

By incorporating these various cover systems and protective covers into your garden beds, you can greatly improve the health and yield of your garden.

Whether you're dealing with harsh weather conditions, want better soil structure, or need efficient irrigation systems, there's a cover system to fit your needs!

10 Best Cover Systems For Raised Garden Beds (2024)

FAQs

What is the best covering for raised garden beds? ›

Types of Cover Systems
  • Row Covers. Row covers are an excellent option for extending your growing season and protecting your plants. ...
  • Plastic Mulch. ...
  • Cold Frames and Mini Hoop Tunnels. ...
  • Shade Cloth. ...
  • Netting and Mesh. ...
  • Drip Irrigation Systems. ...
  • Cover Crops. ...
  • Cardboard and Wood Chips.
Apr 7, 2024

What is the best thing to cover your garden with? ›

You might consider adding a plastic tarp over your old blankets or frost cloth (just make sure to use garden hoops to keep the plastic from coming into direct contact with your plants. You could also use garden cloches, cold frames, or even burlap sacks.

What is the best ground cover between raised garden beds? ›

Depending on your budget and gardening goals, you can line the bottom of your raised garden beds with wide-mesh hardware cloth, stainless steel mesh, landscape fabric, burlap sack, or newspaper/cardboard.

What is the best material to use for raised garden beds? ›

Build your raised bed with a decay-resistant type of wood, such as cedar, black cherry, oak (bur, chestnut, post, white), black locust, Osage orange, or redwood. (Source: USDA Forest Products Lab) Use a non-wood material such as stones, concrete blocks, bricks, or synthetic lumber.

What should a raised garden bed sit on? ›

Cardboard or newspaper: Cardboard is a great option if you are on a budget. You can line the bottom of your raised garden bed with cardboard and newspaper to deter pests and weeds.

What is the best surface for a raised bed? ›

Timber is the most popular material for constructing raised beds and is very versatile. Pressure-treated softwood sleepers are an attractive and economical alternative to hardwoods like oak, and will last for many years.

What is the best configuration for a raised garden bed? ›

Don't make your beds wider than 4 feet, this way you can easily reach to the center. The ideal depth is between 12 and 24 inches. Leave at least an 18-inch path between beds, more if you want wheelbarrow access.

What is the best cover crop for raised beds? ›

Many of our favorite cool-season cover crops are nitrogen-fixers, which include clover, vetch, and winter peas. There are also warm-season nitrogen-fixing cover crops which include cowpeas and sunn hemp.

What not to fill a raised garden bed with? ›

Raised beds that are small and shallow (under 12 inches deep) are typically only filled with soil. Adding other organic materials to shallow beds usually isn't a good idea. Sticks, twigs, and other materials further reduce the limited soil space and can interfere with plant root growth and water drainage.

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

Start with a layer of landscape fabric to prevent soil from washing out. Above this, a layer of gravel or small stones can aid in drainage. Then, fill the bed with a mix of topsoil, compost, and other organic matter. This layered approach ensures good drainage while providing a nutrient-rich environment for plants.

What is the most durable raised garden bed? ›

Material: Metal and plastic beds are usually longer lasting than wood beds, and fabric beds are an affordable option some people prefer.

Should I cover my raised garden bed? ›

A lot of customers ask us, “Should I cover my raised beds with plastic in winter?” We're happy to report that plastic covering is totally unnecessary! Instead of wasting plastic, there are much more eco-friendly alternatives to getting your raised garden beds ready for winter.

Should I put fabric on bottom of raised garden bed? ›

Prevents soil erosion in a raised bed: As a liner, landscape fabric lets water drain away from the soil while leaving the soil intact. While raised garden beds have a wooden bottom, the soil could still wash away in nooks and crannies each time you water the plants.

What do you layer a raised garden bed with? ›

The smaller pieces are placed on top of the larger pieces to fill space, such as branches and sticks, and then grass clippings, leaves and kitchen scraps. Compost and topsoil are on the top two layers for your raised garden bed so you can start planting as the organic matter beneath decomposes.

How do you weatherproof a raised garden bed? ›

I recommend at the very least coating your lumber in linseed oil or beeswax to preserve them for the long haul. Some gardeners use lining between the interior of their raised bed and soil to protect the wood. Even with the lining, you'll get seepage of water that will penetrate that wood and linger.

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