That being said, if you want to divide your favorite perennials in summer, be sure to keep them well watered after separating them. A: In your area, and in zones 4 to 7, September is by far the best month to divide or move peonies, and it’s a good time for a lot of other perennials, too. Copyright © 2021 New Home Buyers Network Inc. All Rights Reserved. Now that you have the divisions, dig a hole that is double the size of the crown and root system. This is not as necessary with peonies, which do not demonstrate the revitalizing effects of separating clumps. Dig a large hole and mix in slow release fertilizer such as bone meal or compost. Peonies are a classic summer-flowering perennial found in many gardens across Canada. Dividing Peonies in Spring Peonies can be divided or transplanted whenever the plant is dormant. Each piece should have three to five “eyes”. Examine the root. Wait until the first signs of growth appear before dividing. Peonies are best propagated by lifting and dividing the root clump, then immediately replanting the divided pieces. Peonies are divided in the fall starting about mid September because of their growth pattern. If your peonies are growing and blooming well where they are planted, there is no need to divide them. Peonies do not like to dry out so keep the soil moist.   A peony may require this after about 10 years when it begins to lose its vigor and becomes root-bound. $12.00 Best Buys 1; $15.00 Best Buys 6; Hardiness Zones . Work the soil well before you plant, mixing in compost and a little fertilizer, and that should be enough. Carefully dig up the plants and wash or gently shake off the soil. Why Divide? Dig a circle around the crown of the plant with the garden fork and pull the plant up with the tines. Also they are deer and rabbit resistant. Our personal experience dividing peonies was greatly increased in the autumn of 2004 when we relocated the ‘Gilbert collection’ of peonies from the Waterloo area to our property just north of Peterborough, Ontario. They are deer- and rabbit-resistant too, so you can usually depend on peonies to put on a beautiful spring show with their enormous, colorful flowers. This might sound complicated, but it’s not. Never use fresh manure or let any fertilizer come in direct contact with the crown. As peonies are long-lived and very heavy feeders this will help them get off to a good start. When dividing perennial peonies, you want to make sure that each section has at least one eye in it. Leave as many good roots intact as possible while making sure each division has at least three eyes. Plant each division so that the buds are no more than one to two inches below the soil surface. Give it a try! With their lush blossoms in luminous shades of pink, white and red, peonies bring an old-fashioned charm to any garden. Peonies can be leftundisturbed for many years. Do NOT follow this link or you will be banned from the site. The bottom line on dividing peonies successfully is understanding that these plants dislike being disturbed or moved, so only do it when absolutely necessary. To make the divisions take a sharp knife and cut through the crown and root system. Receive notifications of new listings that match your criteria, Be among the first to learn about new home projects. Dividing and Transplanting Peonies Every 10 or 15 years, you’ll need to thin peonies out, so the plants don’t get overcrowded and strangle one another out. Despite also producing short woody stems this rule also applies to Intersectional peonies. They can easily live for 100 years or more in the same spot and will be only become more beautiful with time. Dividing Peonies. Any division with one eye will grow but it is recommended to have at least three to five eyes per division, so the plant will mature and flower sooner, possibly the first season. Do not fertilize in late summer to autumn. However, over time, peony clumps can become overgrown and "tired". Transplanting peonies isn’t difficult. Plan your cuts and with a clean, strong knife cut through the root away from yourself. Very old peonies need to be divided when they stop blooming at the centre of the plant. Yes, fall is the right season for dividing herbaceous peonies (Paeonia lactiflora and others), but I have to stress right from the start there is no obligation here: peonies don’t need division. Plants that flower in late spring, summer or fall should be divided in early spring. They are long-lived, often fifty years or more without being moved; very drought tolerant and make excellent cut flowers, as well as outstanding landscape plants. Dividing Peonies. and lilies (Lilium spp. The peony root is a large tuber or storage root but in late autumn, fine fibrous feeder roots and growth buds begin to develop. Nor do they appreciate gardeners fiddling with their roots. Peonies ; Refine Your Search. This will allow you to fully see the crown and the “eyes” or buds which are next year’s shoots. The first step is to dig out your existing plant. Nurseries lift their peony roots in the fall, dividing them into pieces. If the ground is dry, water the plant the day before you are ready to divide. When dividing perennials like iris, which tend to form self-strangling clumps, you usually dig up the entire plant, divide it and then replant the smaller clumps. Peonies are a classic summer-flowering perennial found in many gardens across Canada. Wash the soil from the roots with a strong spray of water and place the root in a shady spot for a few hours. The eye is the little bit of growth visible just below the soil line when dug out. As perennials go, peonies can be extremely long-lived, growing for up to 100 years. Make sure that all pieces are healthy and firm with no rotten roots attached. Perennial plants are frost hardy - they come back year after year like - well, a bad habit! When autumn arrives, cut back Itoh peonies 4 to 6 inches up from the soil. How to Divide and Transplant Peonies: 11 Steps (with Pictures) Using a strong spade, dig deeply around the plant on all sides and lift the plant with as much of the root system as possible, being careful not to damage the crown. There are in excess of five thousand varieties of the common garden or herbaceous peony. However, there are also numerous tree peonies which have woody stems above ground and in recent years, intersectional or Itoh peonies have become available. These eyes will produce next year’s stems and flowers. Plant the peony root with the highest eyes on the crown no more than two inches below the soil surface and firm the soil. The peony root is a large tuber or storage root but in late autumn, fine fibrous feeder roots and growth buds begin to develop. Partial 36; Bloom Time . Peonies have been referred to as the ‘Queen of the Garden’ and they truly deserve this title. As far as your plants go, wait to divide them until they're large enough to make several clumps out of them. Other reasons you would transplant a peony : you’re moving and want to take some of the plant with you. Growers of large numbers of peonies according to their growing habit: necessary with peonies you make. And Green Earth Bone meal large hole and mix in slow release fertilizer as. Next year ’ s growth when to divide peonies in ontario the smaller secondary ones will enlarge and grow planted to same. Their growing habit: and becomes root-bound because dividing your perennials can be extremely long-lived, growing up. Although the plant is dormant better from the site to the same spot and be. 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