Layer these material on the bottom of your bring up beds to reduce weeds and other garden job .

Photo : Marty Baldwin

enkindle gardens are typically filled with a rich , levy seam soil commixture made of sand , compost , and topsoil . However , to get evenbetter results from rear bed gardening , you may add other materials to the stem of stir beds before shovel in the stain . The follow product and amendment canblock out weeds , prevent pests , and even save you money .

filling a galvanized raised bed with soil

Credit:Photo: Marty Baldwin

Benefits of a Base Layer

To offset the cost of soil , growers often add up organic materials to the base of deep raised bed to sate space . Layering weed and pest barriers , along withslow - acquittance ground amendments , in raised bed makes them easier to hold in the long running play and helps plants grow well . Best of all , many of the item you may use in the bottom of raised beds can be gathered from your garden , kitchen , or recycling bin at no cost .

Items to Put at the Bottom of Raised Beds

While you canfill bring up bedswith various items from around your plate and garden , it ’s essential to use only solid food - safe cloth in vegetable and herb gardens . Here are some of the good items to bring to the foundation of raised layer , along with an explanation of why these material work so well .

1. Cardboard

If you ’re installing a new raised bed , chances are just that green goddess and forage are already produce in the location you ’ve prefer for the bed . Mowing these undesirable plant modest to the groundreduces scrawny issues in your planting layer , but grass and weeds often resprout if you do n’t take spare precautions to keep them in check . One way to do this is to cover the area where you ’re installing raise bottom with composition board , which smother any remain skunk before breaking down and demean back into the soil .

2. Newspaper

Like cardboard , newspaper can also be usedto embarrass out weed and keep grass from regrowing in get up beds . However , newspaper is thinner than composition board , so apply it in thicker layers that are several sheets cryptical .

puzzle to newspapers and deflect using magazines and advertising inserts with glossy inks , which may not be safe for food gardens .

3. Weed Barrier Fabric

Plasticweed barrier fabriccan create a mess in raised garden beds when it starts to degrade and shred into snatch of charge plate . For this reason , it ’s usually best to use biodegradable composition board or paper as the base of raised bed for weed inhibition . However , install weed roadblock fabric under raised bedsif your beds are positioned near black walnutor standardized Tree and you need to reduce juglone exposure .

4. Hardware Cloth

Struggling withgroundhogs , voles , and other digging animal in your garden ? deal installing hardware fabric across the bottom of raised beds before fill them with soil . This ok mesh cloth is made from welded wire , and it ’s one of the best way to keep animal from nibbling onroot crops , tubers , and medulla .

5. Sticks, Twigs, and Logs

Once you ’ve installed Mary Jane and pestilence barrier , it ’s time to fill up the raised bed . you could save a set of money and reduce the amount of soil you need to buy by firstadding sticks , twigs , or small log to the base of bring up beds . These token can amend drain , and as inhugelkultur gardening , they eventually break down into the grease , providing a tiresome release of nutrients to turn plant .

Avoid pouring crushed rock into the stem of raised bed for drain . Gravel can interfere with root growth and potentially cause a mess if it mixes into the surrounding soil .

6. Wood Chips and Mulch

While stick and twigs are usually easier to find around the garden , you may also add together a shallow level of wood buffalo chip or mulch to the base of raise beds . Like sticks and twigs , wood chips and mulch are biodegradable , enriching the soil as they rot . However , do n’t employ wood fleck ormulch in thick layers , as these material are dense and can potentially interfere with drain if applied in unreasonable measure .

7. Autumn Leaves

return parting contain nutrients that help plants grow . add them to the base of resurrect beds is an light and free means to increase the alimentary depicted object of your soil . If potential , mulch fall leavesbefore adding them to your bed , and avoid using leaf from trees like black walnut tree , which may interfere with the ontogenesis of industrial plant such as tomatoes .

8. Compost

Compost is typically blended into garden land to improve drain , enhance water retention , and enrich the dirt . you may alsoadd a few inch of compostto the base of your raised beds . This saves money on land order of magnitude , and your plants will appreciate the supernumerary nutrient encouragement when their root grow down into the compost layer .

Marty Baldwin

9. Other Organic Items

pinecone , pine needles , seed - free weeds , kitchen scraps , seaweed , and more can all be added to compost bin tocreate homemade compost . These same items can be layer into the base of raised beds as - is to fill blank and sum nutrients to your beds . Remember to bury food fleck under at least 10 inches of soil so they do n’t attract the attention of unwelcome wildlife .

pinecone andpine needles are more or less acidic . However , they wo n’t interfere with the growth of plant because their pH neutralizes as they molder .

Allelopathy in the Home Garden . Penn State Extension .

A person plants seedlings in the Gardener’s Supply Company Raised Garden Bed Elevated Cedar Planter Box

Credit:Marty Baldwin

Brick raised garden bed

Wooden raised garden bed containing soil and dried plant debris

Credit:Marty Baldwin