In general, it is best to divide spring and summer blooming perennials in the fall, and fall bloomers in spring. Fall or early spring are the best times for dividing perennials. The Best Time of Year to Divide Perennials. Their root structures starts to become overcrowded. Also, get the area ready for your plant divisions so you can plant them as soon as you divide them. Perennials that have occupied the same space for too many years can begin to fail. It's easier to recover from being dug up and chopped into pieces when air temperatures are cool and the soil is moist. After 3-5 years, your perennials will start to crowd their planting area and make it difficult for them to receive nutrients. A series of practical gardening tips and expert advice by UK garden designer and RHS horticulturalist, Janine Pattison MSGD. In warm-winter areas, fall is a good time to plant perennials. Typically, fall is the best time of the year to divide perennials. 0. When you are ready to divide your plants, prepare the plants by watering them thoroughly the day before you are going to divide them. Design; Gardening Tips: How To Divide Perennial Plants. In this podcast, Janine shows us … While it may sound like plant abuse or a primitive form of cloning, the process is beneficial on many levels. How To Divide Perennials After They Bloom In The Summer. Before we look at dividing plants in the summer, it’s important to know there are a few perennial plants to avoid. Completing this task always gives the gardener a great feeling of accomplishment. By. As perennials mature, their roots become crowded. Most notably, ornamental grasses. By dividing the plant when it is not flowering, all the … In cold-winter areas, stop fertilizing perennials by August to encourage them to slow their growth and harden off for winter. Dividing perennials is an easy way to rejuvenate them and control their size. Dividing is the process of lifting an established perennial out of the ground, loosening or cutting the root system and making more plants from one. 2. Dividing perennials is an easy and inexpensive way to gain additional plants for your garden or to share. admin - December 24, 2020. Home Design Gardening Tips: How To Divide Perennial Plants. Dividing perennials is a great way to multiply the plants in your garden but is also often necessary to keep a plant healthy and full of vigour. Q: When is the best time to divide overgrown perennials and make new plants from them? Unlike annual blooms, perennials produce new shoots every year and continue to grow larger. Finally, prepare the plants for division by trimming the leaves at ground level. Divide your plants every 3-5 years after planting them. You will gain additional plants that you can use to start a new flowerbed, to fill in a space, or to give to a friend. When to Divide. How To Divide Perennials In Late Summer And Fall When plants begin to crowd one another, it’s a good time to divide! Dividing perennials is simple, easy, and an absolutely free way to create hundreds of new plants for your landscape. Beyond creating new plants, dividing is the perfect way to keep plants healthy and under control. With their fall bloom, the summer heat is simply too much stress to divide and establish new plants. Dividing perennials is an excellent way to add a whole slew of free plants to your landscape It also helps keep plants healthy, manageable, and blooming strong year after year. What may seem like a pretty harsh or even destructive process dividing plants every 2 or 3 years actually encourages a perennial plants growth and stops them from becoming patchy and sparse. How to Divide Perennials. The second-best time to divide your perennials is early fall. So you can plant them as soon as you divide them and continue grow! 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