how to build a raised garden bed on concrete

how to build a raised garden bed on concrete

Is it a good suggestion to place a raised mattress on concrete? In brief, sure… for those who do it correctly.

Whereas most individuals decide to put their raised beds straight on the soil, increasingly more persons are choosing paved again yards. That is very true in rental properties, because it’s simpler to keep up and doesn’t develop weeds or require common landscaping visits.

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Simply because your yard has a lot of concrete doesn’t imply you may’t backyard in it. Nonetheless, it’s trickier to get began. Concrete can grow to be stained by soil, so renters should take further steps to get their beds arrange. Drainage can grow to be a difficulty as properly, so it’s important to plan that prematurely too.

The advantages can also outweigh the drawbacks. You received’t have weeds surrounding your raised backyard beds in the event that they’re on concrete. Concrete additionally will help the soil to heat up extra rapidly within the spring, an actual profit if you wish to begin rising meals early within the 12 months. Let’s focus on all the things you would possibly face in getting your raised backyard beds arrange within the concrete jungle of your yard!

Raised Mattress Planning and Preparation

Raised bed on concrete
It’s solely doable to place a raised mattress on concrete. Supply: Wikimedia Commons

There are some things you’ll want to take into accounts earlier than you may start. These fundamental ideas apply to all gardens, however particularly to people who will likely be positioned on a concrete pad.

Location Is Key

All backyard beds want entry to daylight, though relying on what you’re planning on placing within the mattress, chances are you’ll want much less or extra daylight. Start by watching your yard initially to see what areas are full-sun parts of the yard, that are part-sun, and that are principally shaded. Relying on what you discover, now you can plan out the preliminary areas of your beds.

The underside of the mattress must be on a flat floor. That is pretty straightforward if it’s on concrete, but when there’s a slope to your yard, that would be the course the place all runoff from the mattress will movement to. Know prematurely if it’s more likely to pool up extra moisture someplace on the arduous floor. A dependable solution to check this could be to show a hose barely on to a trickle within the location you’re contemplating, then watch the place the water goes.

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While you construct raised beds on high of pavers, you’ll have gaps between the person pavers. Ensure that to fill these gaps with sand or another type of materials, simply to ensure your mattress soil doesn’t get caught in between. Finer soil qualities can create the proper habitat between pavers for weed growth, so ensuring you fill them with one thing less-appealing for roots is an efficient alternative.

Plan additionally for good spacing between your raised beds when constructing them. You’ll must get your backyard cart or wheelbarrow between these massive soil containers. The best choice is to find out the width of something that might want to transfer between beds and add about 6-8 inches of additional house past that. That manner, if you’re utilizing your cart, a decent flip received’t get you caught between beds.

Watering System Woes

In contrast to in different raised mattress methods, putting in a watering system via concrete typically isn’t an choice. In case you are contemplating a custom-built patio slab, you may lay out your watering system prematurely after which pave over it. Nonetheless, the remainder of us need to go for a unique manner.

Operating a easy PVC system between the beds is an choice, however it may be a visit hazard except you retain it out of standard walkways. There’s additionally the choice of working hoses to beds on concrete, however this will also be a visit hazard except you propose correctly. If doable, place your watering hoses or pipes within the least-trafficked space of your backyard.

There’s at all times the choice of hand-watering, and that’s simply as straightforward as a built-in system. Nonetheless, for those who’d wish to run your system on a timer when you’re on trip, setting up a PVC pipe system to hold water to a drip system is your greatest wager.

Take into account The Dimension You’ll Want

In an in-ground mattress, rising crops have loads of house for root growth. The identical just isn’t true of any outdated raised mattress in your patio. I at all times suggest selecting a taller raised backyard mattress than you’d count on to make use of. One thing just like the tall 6-in-1 metal backyard beds within the Epic Gardening retailer will work superbly to develop meals, even on a tough floor, merely since you’ll have loads of soil depth and the roots received’t encounter a tough slab on the backside. You could decide to construct a tall wooden mattress as properly.

Putting in Your Raised Backyard Mattress

Between pavers
If constructing on pavers, you’ll want to fill the gaps or weeds might develop. Supply: symphonyoflove

Now that you simply’ve completed the advance planning on your raised beds, it’s time to get them arrange. Nonetheless, backyard soil can stain arduous surfaces like asphalt or concrete. Fortunately, you should use just a few easy instruments to cut back patio staining brought on by your massive containers.

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Start by inserting the body of your raised mattress in place on the patio floor. If it’s a metal body, it’s a good suggestion to put a geotextile or panorama material contained in the mattress to forestall soil leakage and marking of the paved floor. For wooden frames, you may staple {hardware} material inside to behave as a mesh “ground” after which set the geotextile material in place inside that. Both manner, the landscaping material ought to go not less than midway up the within of the mattress.

Fastidiously fill in soil inside the geotextile material utilizing your raised mattress soil mix of alternative. When you attain the highest of the material, fastidiously cowl it over as properly, as the load of the present soil ought to hold extra from happening the edges. Proceed so as to add soil till you attain the highest of the raised mattress or the peak at which you’d just like the soil stage to cease. It may well take extra soil to fill a tall raised mattress.

If at any level sooner or later it’s a must to dig right down to the underside of your mattress, watch out to make sure that you don’t puncture the material. If you happen to do unintentionally create just a few holes, your patio can begin to grow to be stained or discolored. Typically, a top quality strain washer can clear the stain off, however you might also expertise some soil leaking throughout drainage and settling. You possibly can high away from bed with new soil, however it’s tougher to patch holes.

Sustaining Your Raised Beds

Shallow bed on concrete
In case your plant roots are shallow, a shorter mattress is okay. Supply: Ed Bierman

For individuals who’re planting within the 6-in-1 raised backyard beds, upkeep is straightforward. The galvanized metal received’t rust, so all you would need to do is to high off with compost or soil and plant it out.

A wooden raised mattress ought to final for fairly just a few years for those who’re constructing your personal. Over time, the wooden will steadily begin to show its age, and you’ll have to interchange a board right here or there if any rot begins to type. Preserve a watchful eye on the mattress to see if any rot develops. Even when it does, there’s a bit time earlier than it’s a must to swap out the wooden, so it received’t be an pressing concern.

You must have success rising crops in your raised beds so long as the soil drainage is true and also you’re often weeding and sustaining them. Add just a few inches of compost or compost blended with soil not less than every year, and you need to expertise glorious plant development!

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