Some perennials, like peonies, live for decades, others like gaura, live 3-5 years. All you need is a shovel and work gloves to get the job done. Perennial plants grow back year after year, with some varieties lasting decades in the garden. Divide your perennials to keep plants vigorous, improve the health of their foliage and to increase the number of blooms. Woody crowns. Timing is key when dividing perennials. Encyclopedia of Perennials: A Gardener's Guide. Perennials such as asters, hostas, and yarrow can be divided easily with no hassle. Easy to divide; roots usually pull apart easily by hand; divide every 3 to 4 years. For plants that bloom from spring to the early summer, you will want to plant in the late summer or early in the fall. Sometimes you can divide garden plants with your hands, as with many bulb species, while the use of a sharp knife or garden spade is oftentimes necessary to get the job done when dividing plants. For more information head to over to Three Ways to Divide Perennials to help you know. Divide in spring; lift clump and cut into sections; Easy to divide; divide every 2 to 3 years to keep plants blooming and vigorous; discard dead central portion, Divide every 3 years or when flowering diminishes; discard the woody center and plant the edge pieces, A ring of foliage around a dead center tells you it’s time to divide; usually every 3 to 4 years is sufficient, Rarely needs to be divided; tough roots make dividing difficult; leave plenty of room around new transplants because the plant gets large, Divide every 3 to 5 years to keep plants vigorous, Rarely needs to be divided; if you do divide it, do it in early spring while plants are in bloom or right after they stop flowering, Easy to divide in early spring when foliage is emerging; dividing large clumps later won’t harm plants but leaves them lopsided for the summer, Rarely needs to be divided, so divide only for new plants, every 7 to 8 years. Or just dig out a chunk along the edge, if you don’t mind a gap in your plant for a season. This is a super fast way to get more of the echinacea plant you love and make sure the color stays true. How To Divide Perennials – The Success! The centre section can be discarded. It is easy to locate the plants that need dividing. I show you how using my White Swan echinacea plant. Download the PDF or bookmark the Dividing perennials spreadsheet to find information specific to 125 common perennials. 2011. When you notice this happening, divide up your plants. Plant these 13 easy to grow perennial flowers from seed to save the cost for gardening. We may receive a commission from sales referred by our links; however, we Perennials with fleshy roots such as peonies (Paeonia spp. You will find information on when to divide, how often to divide and other helpful tips. Divide when the plant is not flowering so it can focus all of its energy on regenerating root and leaf tissue. Perennials are plants that grow back each year. The best way to create a strong new start from a perennial plant is dividing from a healthy, mature plant. Divide in early spring for easy handling; for fall division, cut back flowers; Divide in spring or fall; easiest in early spring as leaves begin to emerge; doesn’t need frequent division, This hardy plant roots along the stem; cut a piece off the edge and replant; cut leaves back by half; don’t overwater, Rhizomes pull apart easily; make sure each new division has a leaf and a cluster of roots, Big leaves wilt easily; cut each leaf back by half and keep summer transplants well watered, Divide in midsummer; foliage goes dormant quickly after flowering so mark the plant’s location; keep new transplants watered, New plants will take a few years to flower; set new plants at same depth as they were previously or they won’t bloom; keep watered; does not need to be divided often, Very difficult to divide because of taproot; for best results, purchase new plants, Divide every 5 or 6 years or when plant dies out in the center, Easiest to divide in spring when foliage is still small; dividing clumps later won’t harm plant but may reduce bloom for the year, Easiest to divide in spring when foliage is still small; dividing clumps later won’t harm plant but will reduce bloom and leave plants lopsided for the year, Easy to slice into pieces; make sure to get plenty of roots with each new section, Divide every 4 years or as needed; if you divide in fall, wait until the plant is done flowering, Easy to divide; most types spread quickly so divide every 2 to 3 years. Echinacea purpurea, commonly known as coneflower, is a popular and easily grown native perennial U.S. whih produces long-lasting lavendar flowers on smooth 2 to 5-foot robust stems and bear a prickly, green to orange center. Extension is expanding its online education and resources to adapt to COVID-19 restrictions. Bleeding heart, old-fashioned. Smaller leaves and shoots will not suffer as much damage as full-grown leaves and stems. All rights reserved. Simply dig up the entire clump and then carefully divide the crown and root ball into two or more section, depending on the size of the clump. Perennials grace our gardens year after year with their variety of brilliant colors and unique foliage forms. All rights reserved. It blooms from midsummer … Black-Eyed Susan … Divide and repot perennials to alleviate crowded roots. recommended time for dividing perennials. Steps for Dividing Iris Plants. Choose a healthy well developed geranium to divide. Plants root as they spread; no need to dig whole plant; Difficult to divide because of taproot; for best results, purchase new plants, Doesn’t need division often; cut back whole plant by half so roots have less foliage to support, Divide every few years to keep this short-lived perennial around; reseeds but seedlings may not look like parent plants, Easy to divide; divide every 4 to 5 years for healthier plants; reseeds and seedlings are easy to transplant, Don’t worry about getting roots with each piece, they’ll sprout from the stem; cut individual leaves back by half to conserve moisture, Division every 3 to 4 years helps this short-lived perennial stay around longer; cut plant back by half, Divide every 5 to 7 years; rebloomers are best lifted in spring before they flower, Blooms best if divided down into small sections; division every 2 to 3 years will prolong plants’ life, Mat-forming types root as they grow; cut a rooted piece from the edge and replant, Easy to dig and split; likes moist to wet soils, so keep new plants well watered, Doesn’t like to have main clump disturbed; sends out underground runners so dig small new plants around the edges to transplant, Difficult to divide because of taproot; for best results, purchase new plants; slow to recover from being moved. However, after a few years, you may notice that the plant is not producing as many flowers as it use to or it has grown too large for the space it is in. To divide your perennials, ... Garden experts offer planting information for 11 shade trees and easy-care perennials. An even surer sign: roots bursting the […] All pictures were taken by the author. The list of easy perennials was part of a list found in the very informative Clemson University Home and Garden Fact Sheet, "Dividing Perennials." have carefully selected these products for their usefulness and quality. Water the plant a day before you divide it. After a few years in the garden, these perennials may start to produce smaller blooms, develop a 'bald spot' at the center of their crown, or require staking to prevent their stems from falling over. Most perennial seeds also need cold stratification, this can be done by putting the seed in the fridge for a certain amount of times if you start planting the seeds indoors. ... Propagating Perennials. In this case, you do not need to lift the entire plant out of the ground. ), Oriental poppy (Papaver orientale) and Siberian iris (Iris siberica) are best divided in the fall. DiSabato-Aust, Tracy. Divide as foliage goes dormant in the heat or mark plant location; roots are brittle, handle carefully. Dividing Plants. Growing Perennials in Cold Climates. As the years go by, perennial plants become less vigorous. Timber Press, Portland, OR. 1996. Try to divide your perennials on a cloudy day. Stipes Publishing Company, Champaign, IL. Dividing plants is easy. Perennial Plants That Are Easy to Propagate. At this point, you need to divide the perennial and replant it. Easy how to divide Echinacea Coneflower one step at a time. Roots exposed to air dry out very quickly. Some plants, such as the coral bells above, have a woody crown. Your iris, start by lifting the clump of iris plants plants to dry out ;. 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