Read along to learn tips and best practices for building a raised garden bed on concrete or other hard impervious surfaces. Drainage & WaterAll garden beds need good drainage, including raised garden beds installed on hard surfaces! Now, let me show you what I mean…EXAMPLEBuilding a Wood Raised Garden Bed to Install on ConcreteStep 1: Build or Obtain a Raised Garden Bed FrameFirst, you need to build (or otherwise obtain) a wood raised garden bed frame for your space. If you need any pointers here, please check out our detailed “How to Design & Build a Raised Garden Bed” tutorial. Raised Bed KitsFor instance, there are several quality elevated raised bed kits out there.

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Gardening on Concrete With Raised Beds and Patio Containers

Raised beds are right for you if:You have a larger space and you want to grow a plethora of healthy, nutritious foods. You have materials available to construct sides for your beds or you’re able to purchase ready-made raised garden bed kits.

Two important things you need to keep in mind when building raised beds on hard surfaces are drainage and staining. When building raised garden beds on top of hard surfaces, ensure a depth of at least 18 inches.

Things to keep in mind when installing raised beds on concrete or pavement: .

Raised Bed On Concrete: Yes Or No?

Is it a good idea to put a raised bed on concrete? Let’s discuss everything you might face in getting your raised garden beds set up in the concrete jungle of your yard! Raised Bed Planning and PreparationIt’s entirely possible to put a raised bed on concrete. Watering System WoesUnlike in other raised bed systems, installing a watering system through concrete generally isn’t an option.

I always recommend choosing a taller raised garden bed than you’d expect to use. .

How to Garden in Raised Beds on Pavement

Through this experience, I discovered several keys to growing successfully in raised beds on pavement. Filling raised beds on pavement is a bit different than filling raised beds on permeable ground. To decide how to fill the bed, we need to understand how rainwater behaves inside a raised bed on pavement versus an in-ground raised bed. Filling Raised BedsThe rapid discharge of rainwater through raised beds on pavement can wash your nice soil away if you don’t plan ahead! Maintaining Raised Beds on PavementOn concrete or asphalt, your raised beds are essentially big containers. .

Pouring Concrete Raised Vegetable Beds

Raised beds elevate vegetable gardens to an easier working height and separate the soil from invasive weeds, reveals Sonoma County Master Gardeners. Many materials are suitable for building raised beds, though none are as durable as poured concrete.

Laying out BedsOne unique advantage of making raised beds with poured concrete is the ability to form beds with curved shapes for a more artistically-designed vegetable garden. Pouring the Concrete Flower BedMixing concrete by hand for even one raised bed frame is quite laborious, but small mechanical mixers are available at tool rental centers to make the job easier.

For multiple raised beds, hiring a concrete truck to deliver the material pre-mixed may be in order. .

Poured Concrete Raised Garden Beds

Tools Used to make the Concrete Raised Garden BedsThank you for supporting us by using these affiliate linksWoodworkingConcrete ToolsHardwareAdhesive & FinishDrill BitsOther .

Are cinder blocks OK for vegetable gardens? Answers to that & other

Cinder blocks in raised vegetable bedI have seen warnings on the Internet that cinder blocks or concrete blocks used in a garden might leach harmful chemicals into the soil and ultimately into your food plants. However, one thing you should take into consideration when using old bricks, old concrete blocks or other recycled material is where those materials came from, he said. UPDATE (8/13/2018): A reader left a comment, saying:“Connie, you and Farfaglia are wrong – fly ash is still used in manufacturing ‘cinder’ blocks, sometimes.

There aren’t any studies to show whether the heavy metals that may be contained in cinder blocks or concrete blocks can leach into the soil. Farfaglia also sent along information from the University of Maryland Extension: Cement block, cinder block and concrete block all are made with cement and fine aggregates such as sand or small stones.

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All About Raised-Bed Gardens

Seaman, who shares his gardening know-how online at Eartheasy.com, has been growing vegetables in raised beds for nearly 40 years. Build a Raised Garden Bed from Scratch or a KitBoth are viable options, but if you’re looking for out-of-the-ordinary materials, kits ease the process. Tip: Before building or setting a raised bed in place, make sure—by excavating, if necessary—that it will be resting on level ground.

Shown: two of The Farmstead’s 24-by-72-by-8-inch raised garden bed kits, $100 each; Garden Raised BedsBuilt-In BenchesNarrow edges don’t make for comfortable seating. Here, wood benches are fastened to the bed’s sides, offering a perch for tending vegetables or taking in the view.

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