You think, “OK, Jim moved his plants in spring, so I’ll move mine in spring too.”  April comes and goes; you didn’t quite get to it as it was really warm and a great chance to work on your golf shot. The first is spring transplanting when the perennial is dormant or “just” breaking the ground. I’m trying to put landscape around my house I have already started but I need to fill in some spots to fill in. While spring is, generally speaking, the best time for dividing perennials, ornamental grasses, and grass-like plants such as sedges, those who really wish to "get it right" will want to treat each plant on a case by case basis.This is because some plants prefer to undergo the … Transplant at will again after mid-August, when USDA zone 5 temperatures begin to moderate, until mid-October. If you are in a warmer climate, March may be a better choice. If you get enough roots it should be alright. The best times for transplanting perennials are the months when the weather is cool. Maybe you are thinking something similar. Transplant herbaceous perennial divisions in early spring, including daylilies (Hemerocallis spp. make an excellent addition to sunny gardens. Summer transplants need extra attention and faithful irrigation, because root growth is slow and summer heat and drought places stress on plants. Jim work's as a Landscape Designer in the far northwest suburbs of Chicago. Although coneflowers are drought-tolerant and require little maintenance, they will benefit from being divided every three to four years. These plants are stressed severely when their roots are chopped off at the wrong time. http://www.yourgardensanctuary.com/oakleaf-hydrangea/. If you are a bit warmer or cooler, you might want to adjust a bit. These perennial plants grow in U.S. Department of Agriculture plant hardiness zones 3 through 10, depending on which species you select. Great, the coneflowers are getting moved in early spring. So when I can “just” see the leaves starting to unfurl in the spring is fine but once those leaves are up and growing, I don’t want to transplant when the plant is leafed out and actively growing. Winter’s coldest average temperature may register between -10 and -20 degrees Fahrenheit. I did transplant one last spring but perhaps I waited too long because it definitely suffered from the move. I live in central illinois. Spring often works well, and fall is one of the transplanting seasons of choice. The first hard frost of fall occurs during October. In this case you would want to move your spring up a month and move your birch tree in March instead of April. The best seasons for dividing and transplanting perennials are spring and fall. Read on for my Winter Garden Tips for zones 5 … The timing to move perennials is pretty easy. Aster (hardy): Full sun to light shade Hardy in zones 5-9, some to zone 3. You can move many perennials—anything with fibrous roots—and just about any bulb while they’re in bud or even in bloom. As I look out of the window of my office this morning, I see a light dusting of snow we received last night. Knowing when to transplant seedlings outdoors will help to maximize your harvest. Any advice? The best time to transplant and/or divide perennials, is on a cool overcast day in the spring or fall, so that the plants have a better recovery. Learn how your comment data is processed. Planting calendars are designed to calculate the best time to start seeds and plant a garden. This chart is from my own and local nursery’s experiences and you should check with your local Botanic garden or Arboretum for their advice, if you are moving real important trees and shrubs. Is its based on nursery history in northern Illinois with digging and transplanting trees and the plants survibility. I have only three orange daylillies in front of the second fence panel and that’s it. Perennials -- the lazy gardener’s best friends -- grow for at least three years in areas where they are hardy. Move hosta (Hostas spp.) So, how do you know when to move plants in your yard? But instead of a purple coneflower and a Burning bush, your plants are Daphne and a small Serviceberry. With their colorful daisylike blooms and ability to attract bees and butterflies, coneflowers (Echinacea spp.) Perennials grow at different rates. I have a fence in my backyard with a concrete pad with a picnic table and to the right is the second brown fence panel (8 by 6). When Can Coneflowers Be Dug Up & Moved?. In zones 5–8, sage grows a perennial with velvety evergreen leaves. Using the planting schedule below will help you get the most out of your garden. But why wait? Perennials -- the lazy gardener’s best friends -- grow for at least three years in areas where they are hardy. For info on How to transplant trees and shrubs click on this link from Clemson University. I notice that you prefer April over March. In other words, move spring bloomers now, fall bloomers next spring. Thank you! A retired municipal judgem Reynolds holds a degree in communications from Northern Illinois University. All Rights Reserved. If you are near me in climate Zone 5 (right at the 5a and5b border), you can use the following chart. On average, dividing every four years is recommended unless you want to reproduce more plants faster.