While there are some plant species that tolerate wet soil, most plants require moist, well-draining soil, making adequate raised bed garden drainage essential. Therefore, ensure that the plants in your raised planter are provided with adequate drainage. Poor drainage in a raised bed also creates conditions that foster the development of fungal diseases, such as root rot.
You are able to control the soil mixture added to your raised planter, so you can ensure that your plants receive the drainage they need to be healthy and vigorous. Well-Draining Soil MixturesTo ensure the very best drainage in your raised planter, you don’t want to simply dump in soil from your yard.
8 Important Tips to Improve Drainage in Your Raised Beds
One task that I prioritize over the rest is making sure I have good drainage in my raised beds. Here are some tips to help you improve drainage in your raised beds – many of which you can implement in a jiffy.
Why Drainage is ImportantYou know that drainage in a garden is important, but with raised beds, the importance is multiplied. No matter what you call it, it’s a great way to improve drainage in your raised beds.
Following these tips to improve the drainage in your raised beds can save you a lot of headache and backache. .
How to Build a Raised Garden Bed on Concrete, Patio, or Hard
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.
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: .
Should I drill holes in the bottom of my raised garden bed?
When building your garden box it is important to remember that a raised square foot garden is heavy. Moreover, should I drill holes in the bottom of my planter? Similarly, should I put rocks in the bottom of my raised garden bed? Also to know is, what do I put on the bottom of a raised garden bed? In Purdue's bulletin on container gardening (http://www.hort.purdue.edu/ext/HO-200.pdf ), they say: "To provide drainage, drill three or four small (1/4 inch) holes in the bottom of the container. .
Importance of Drilling Holes in Your Raised Square Foot Garden
Importance of Drilling Holes in Your Raised Square Foot GardenA square foot garden is an ideal way to grow varied crops in a small space. A square foot garden raised to hip height, for example, will mean that you can do all the gardening work standing up.
Plants grown in a foot square garden tend to be much healthier than plants grown in a normal garden because of the high quality of the soil in which they are grown. DrainageWhen building your garden box it is important to remember that a raised square foot garden is heavy. Because you will be constantly working the soil in your foot square garden you will prevent it from becoming too compact. .
Drainage Holes in an Off-Ground Vegetable Bed
I have built an off-ground vegetable bed that is 18' by 2' and 3' off the ground. The bed itself is 12" deep. I have already read that I should not use gravel to aid drainage and that I should use screen instead of landscape fabric to cover drainage holes. My question is: "How many holes should I have (say per square foot) and how big should they be (diameter)"? .
6 things to think about before preparing a raised bed garden
However, for the purpose of this article, I’m going to talk about the standard rectangular raised beds that are generally built from untreated, rot-resistant wood (like Niki’s amazing raised bed setup) or concrete blocks, as well as what you might want to think about when preparing a raised bed garden. Things to think about when preparing a raised bed garden1. When preparing a raised bed garden, location is everything, but it doesn’t have to be your backyard. As far as type of soil, I like to emphasize buying the best quality that you can afford when preparing a raised bed garden. For more information on gardening in raised beds, check out the following articles:Do you garden in raised beds? .