Peonies 101: How to Transplant, Grow and Divide Peonies

Learn how to bring these fragrant, fluffy flowers to your garden.

Peonies are perennials, meaning they return every year, bringing outrageously beautiful blooms to your garden each spring. Peonies have been known to thrive for more than a century, so your peonies may outlive you. They love cold winters and need chilling time to make flowers.

'Felix Crousse' Peony

'Felix Crousse' Peony

This peony is a hardy grower and a fragrant double variety.

Native to Europe and Asia, peonies have been grown in domestic gardens in Asia for 4,000 years. They gained mass popularity in the West in the 19th century, becoming a staple of Victorian gardens in Europe and the United States. Peonies have remained a garden favorite because they grow such gorgeous blooms and are so hardy.

Peonies Types

Of the more than 6,500 cultivars of peonies, there are just three general types: herbaceous, which grow on green stems; tree, which are woody stemmed shrubs; and itoh, or intersectional, which are a hybrid of tree and herbaceous. Herbaceous peonies are the most widely grown type and the most cold hardy, with some varieties able to withstand temperatures as low as 20 below zero.

Peony flower colors range from white, pink and red to coral, maroon and yellow. Many peony flowers are fragrant, with some varieties smelling like citrus and others like spice. They come in a range of flower forms, including single, Japanese, anemone, semi-double and full double.

Botanical Name: Paeonia
Common Names: Peony
Hardiness Zones: 3 to 8 (Some varieties to Zone 4)
Bloom Time: April to June

Growing Peonies

Herbaceous peonies need a certain amount of cold weather to flower. Southern gardeners should plant early-blooming varieties that need less cold to thrive.

When To Plant

  • Plant bare root peonies in the fall before at least six weeks before first frost. You may get blooms in the spring when you plant in the fall.

  • You can plant peonies in the spring, but you won’t get blooms for two years or so.

Where and How To Plant

Peonies are usually sold as bare root tubers or as a 3- to 4-year-old plant in a container.

  • Choose a planting site with full sun (six to eight hours per day), except in southern and southwestern regions, where afternoon shade is ideal.

  • Dig planting holes large enough so peony divisions and roots easily fit. Plant the eyes 2 inches below the soil surface in cold regions, 1 inch in warm zones. Any deeper and you’ll get foliage but not flowers.

  • Give peonies room. A plant can mature to a width of 5 feet, so space them accordingly.

  • When planting a container-grown peony, make sure the surface of the roots are level with the ground.

  • Peonies do best in rich soil that’s been amended with organic material when you plant them.

  • Peonies need good drainage. They hate soggy roots, so put them in a raised bed or on a slope.

  • Plant them far from trees and shrubs because they don’t like competition from other roots for nutrients and water. If their neighbors’ roots disturb them, they’ll stop blooming.

  • You can grow peonies in a pot, but they are happiest in a garden. If you must have peonies in a pot, choose one with lots of drainage holes and plan on watering more frequently since containers dry out.

Caring for Peonies

  • When peonies are stressed, their leaves curl. They may need water, or they may be too hot or too cold. Most plants recover and bloom when conditions are better.

  • After the first frost, remove old foliage. New growth comes from the roots.

  • Tall peonies may need support to keep from falling over. Using bamboo stakes, metal flower rings or tomato cages.

  • Deadhead peonies as they bloom.

  • Cut the foliage to the ground in the fall to avoid diseases over the winter.

  • Mulch loosely and lightly where winters are severe. Remove mulch in spring.

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. Other reasons you would transplant a peony: you’re moving and want to take some of the plant with you. Or you want share your peony with a gardening pal. The best time of year for dividing and transplanting peonies is early fall. Here’s how you do it.

  • Clip leafy stems back to near ground level, 2" to 3" tall.

  • Use a sharp spade to dig beneath the peony clump. Start digging about a foot away from the stems. As you dig around and beneath plants, try to cut as few roots as possible.

  • After loosening soil, lift the peony clump from the hole. Place it on a tarp. Gently shake the peony plant so soil falls away from roots.

  • Using your hands, divide the peony roots into sections or divisions. Each division needs to have three to five eyes or growing points. Eyes are the places on the roots that produce stems and leaves.

  • Allow root pieces to dry out and callus, or form a hard layer, before planting to lessen the chance of root rot after planting. This will take a few days.

  • Replant as directed above.

  • Peonies really hate being moved, so don’t expect yours to bloom the year after you move it.

Pests and Diseases

  • Peonies are prone to powdery mildew which, while ugly, will not kill your plants. Prevent mildew by spacing your peonies to allow good air circulation, and planting them in full sun so they dry out quickly after waterings.

  • Peonies are susceptible to verticillium wilt, ringspot virus, tip blight, stem rot, leaf blotch, Japanese beetles and nematodes.

  • Ants. Peony buds’ sweet nectar attracts hungry ants. They won’t hurt the plant and they’re helping you by eating bad bugs that attack your peonies, so don’t spray pesticide on them. If you’re cutting the flowers to bring indoors, gently rinse the blossoms with water to get rid of the ants.

  • Peonies are deer-resistant.

Recommended Varieties

‘Bowl of Beauty’ blooms in mid-spring with 10-inch wide pink and creamy white flowers that have a cupped shape.

‘Border Charm’ is a cross between an herbaceous and tree peony. It has yellow flowers and growns on relatively short 22-inch tall stems.

‘Karl Rosenfield’ was introduced in 1908 and is one of the all-time favorite red peonies. It has double blooms on a 32-inch tall plant.

‘Festiva Maxima’ is an heirloom from the 1850s that’s still popular. It bears frilly white flowers with crimson flecks that have an intoxicating rose-like scent on a 3-foot shrub.

‘Sarah Bernhardt’ is a famed heirloom from 1909 named for the famed actress of that era. It has soft, double pink flowers and a sweet fragrance.

Garden Design Suggestions

  • Plant peonies with Shasta daisies, iris, baby’s breath or flax.

  • Plant them in mixed borders for color and texture.

  • Use peonies as a low, informal hedge.

  • Plant tree peonies along a walkway or porch.

  • Peonies make excellent cut flowers. They're popular in bridal bouquets or as an informal arrangement in a jar on your kitchen island.

Great Choices to Pair With Peonies

Take your peonies to the next level by pairing them with plants that really make them sparkle.

Next Up

How to Grow and Divide Peonies

Take a close look at how to successfully grow and divide peonies.

Peonies Season

Discover the nuances of peony season, from bloom time to planting time.

Itoh Peony

Discover the peony that blends the best traits of a tree peony with a garden peony.

Peony Flowers

Learn about different types of peony flowers.

'Sarah Bernhardt' Peony

Add this tried-and-true peony favorite to your garden.

Transplanting Peonies

Explore the basics of moving this springtime showstopper.

Peony (Paeonia)

Explore shades of meaning behind this beautiful bloomer.

Peony Bouquet

Learn how and when to cut these luscious bloomers.

Tree Peonies

Learn about tree peonies, a woody shrub with gorgeous blooms.

Begonias: How to Plant, Grow and Care for Begonias

Discover some begonia varieties to try in your home and garden and find out how to make sure they thrive with our begonia care tips.

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