![]() You can also fix this problem by adding a layer of soil to plant in on top of the existing soil. If you’re constantly hitting roots as you dig, you need to move farther away from the tree. The more established the tree, the farther out you may need to plant. To avoid killing the roots of the tree, and creating endless frustration for yourself trying to grow plants that never take, don’t plant anything within 3 feet of the tree trunk. Leave a Healthy Amount of Space Between the Tree and the Perennial Garden Read the comments of this post to gain a further understanding of what can happen when plants go wild. And while invasive perennials do have benefits to them, like providing food for pollinators, you have to weigh that out between the threat they can pose to the environment. While some people are totally willing to do the work of managing invasive perennials year after year and keeping them in the intended spot, the future home owners of your property may not. The best way to check if the perennial you want to plant will create future problems, is to google + “invasive perennials.” Not all perennials are invasive in every location–it depends on your climate and soil type. Unfortunately, a lot of the perennials that are good candidates for growing underneath a tree, tend to also be invasive. Remember to keep your plants & mulch away from the tree trunk! Beware Invasive Perennials That way, you don’t run into the roots of a more established tree, and the plants you plant have a chance to establish their roots better. The easiest way to create a perennial garden underneath a tree, is to make it when the tree in question is still young. ![]() ![]() The area under coniferous trees is often acidic, which means fewer plants can make their homes there.ĭeciduous trees in general are easier to create a landscape under, as they have more light available for spring blooming perennials (since their leaves may not have budded yet), and they have a more dappled shade underneath them. Walnut trees are more difficult to plant under, as they release a chemical called juglone, that negatively affects a lot of plants. While it would be nice to plant a garden under any tree you like, not all trees are good candidates. If you live in zone 6+, you might be able to plant what I mention, and if not you likely have a lot more options available to you. If you live in zones 2-5, chances are you can plant much of the same things. Just a quick disclaimer, I’m gardening in zone 3 in Saskatoon, Saskatchewan, Canada, so all of the plants I mention are native to me and my zone. In this post, we’ll chat about some of the pitfalls to avoid when creating your flower garden under a tree, and some strategies for keeping all plants happy. Perennial gardens underneath trees can be a beautiful addition to your landscape–but it can be tricky to grow plants underneath them in a way that supports both the growth of the tree and your new perennials.
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