Growing Peonies

Creamy white peony with blue cornflowers in my garden.
Creamy white peony with blue cornflowers in my garden. | Source

Growing Peonies

Growing peonies successfully takes a little bit of know-how, but once your peony plants become established, they will reward you with beautiful, fragrant flowers for many years to come.

Peonies are herbaceous perennials. The common garden peony, pictured here, is called a Paeonia hybrid. Tree peonies are another type of peony found in many gardens. Tree peonies are properly referred to as Paeonia suffruticosa. These tips for growing peonies refers to growing garden peonies.

Peonies may be successfully grown in gardens ranging from zone 2 to zone 8. They need a period of cold weather and freezing temperatures during the winter months to be at their best. If you live in a subtropical or tropical zone, peonies probably aren't for you. If you're not sure what gardening zone you live in, in the United States you can enter your zip code to find your USDA Hardiness Zone.

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Conditions Needed for Growing Peonies

Despite a reputation for being fussy and hard to grow, I find peonies are actually fairly easy to grow. The trick is planting them correctly - and in a location that provides them with what they need.

Light

Peonies require full sunlight. That means six or more hours a day of bright, direct sunshine on their leaves. Peonies won't thrive and bloom if they get too much shade.

Soil

Peonies need a rich, well-drained soil. Adding compost to the soil during planting is a good idea, especially if you have either a clay or sandy loam soil. The soil pH should be between 6.5 and 7.5 - slight alkaline.

Water

Water peonies well after planting or dividing them. Provide them with supplemental water during periods of prolonged drought. Mulching around peonies helps the soil stay moist and prevents evaporation.

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Planting Peonies

Peonies can be planted in either the fall or the spring. You can plant a root, typically sold in bags at garden centers in the springtime, or a mature plant in a pot or container. Choose the location carefully, keeping in mind the need for full sunlight. That's critically important, because peonies just don't bloom in partial to full shade. (Can you tell I've tried it and been disappointed?)

Peonies need space, and they can't be disturbed for many years. Leave at least three feet of space between peony bushes and choose your site carefully. Disturbing or transplanting peonies often puts them into a sulk, and they refuse to bloom for a while until the shock of being moved wears off. Be certain of where you want them when you plant them.

If you are planting a container-grown peony, dig the hole for the plant twice as wide and deep as the container. Add plenty of aged manure or compost into the planting hole and mix some into the soil you've put aside when you dug the hole. Gently release the peony from its container by turning it on its side and tapping (not whacking, tapping) along the bottom and sides of the pot. It should slide out easily. If it doesn't, don't tug on the stem - breaking the stem can be disastrous. Gently tug on the leaves of tap the pot again. Once you have the plant out of the pot, place it in the hole. If you're not sure how deep to plant the peony, look for any eyes - small, round, reddish colored growth near the soil surface - and plant the peony with the eyes no deeper than one to two inches. Back fill the hole and gently press the soil down around the plant. Water well, then add mulch around the peony plant.

When planting roots, it is best to plant them during the fall or cool spring days as soon as the soil can be worked. Dig a shallow hole and mix plenty of aged compost into the hole. Place the root into the hole with the red eye buds about one to two inches below the soil surface. Cover the root with soil. Don't plant it any deeper than one to two inches. I know it feels wrong, but if you plant the root too deeply, it won't grow, or your peony may have trouble blooming. Once the peony root is planted, tap the soil down gently with the palm of your hand, water, and mulch.

You may want to place a peony hoop or support around the newly planted peony flower. Hybrid peonies can develop tall stems ranging from two to four feet in height. The heavy flower heads tend to tip the stems over. After a heavy rain, many peony flowers get knocked to the ground. Peony hoops are metal plant supports that consist of a ring, with movable support rods or legs around the hoop. You place it around the peony plant so that the hoop is about 2 feet tall. As the plant grows, it grows up and into the center of the hoop. If the flowers start to drag the stems downward, the hoops support them to keep them upright.

Peony Pests, Problems and Diseases

Peonies really are some of the easiest flowers to grow once you learn how to select the appropriate site and plant them properly. They're rarely bothered by pests. Ants on peonies are a common sight and nothing to panic about. Ants are attracted to the sweet nectar of the peony flower. They won't eat the peony or harm it in any way. If you want to get rid of ants before cutting peony blossoms to bring into the house, wash them off with water from the garden hose.

Fungal diseases such as botrytis blight can strike peonies in warm, moist climates and after a particularly wet spring. Signs include leaves and flower buds that turn black and fall off. To prevent this blight, clean up any spent leaves and trim the peony plant back in the fall. Keep the area around the plant clear from fallen leaves and debris and don't over water.

With their beautiful flowers, fragrance and easy-going nature, growing peonies is a must for the backyard gardener. Add some hybrid peonies to your garden this year and delight in them for many years to come.

Peonies in my garden.
Peonies in my garden. | Source

© 2013 Jeanne Grunert

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Comments 10 comments

anndango 3 years ago

Nice article! So much great information. Thanks for sharing!


grandmapearl profile image

grandmapearl 3 years ago from Southern Tier New York State

I love peonies and also find them easy to grow as along as they are in full sunlight and composted. Very informative and thorough article which I voted Up and Useful; also pinned

Pearl


Jeanne Grunert profile image

Jeanne Grunert 3 years ago from Virginia Author

Hey GrandmaPearl! Thanks for stopping by and your kind words. I'm glad you found the article helpful.


Glimmer Twin Fan profile image

Glimmer Twin Fan 3 years ago

Well - Had to come by to take a look as peonies are my all time favorites and I have a number of them in my garden. They are so glorious!. I am excited because I planted a coral one last fall. I doubt it will bloom this spring, but hopefully next. Beautiful photos. Pinned.


Jeanne Grunert profile image

Jeanne Grunert 3 years ago from Virginia Author

Thank you! I really appreciate it!


faythef profile image

faythef 3 years ago from USA

Beautiful


BrightMeadow profile image

BrightMeadow 3 years ago from a room of one's own

I think peonies are lovely but have absolutely no success with any flower other than sunflower. Maybe some of this will be useful. Thanks for sharing.


Kristen Howe profile image

Kristen Howe 6 months ago from Northeast Ohio

Beautiful flowers, Jeanne, I love to grow one for my container garden this spring on my patio. Thanks for sharing your tips.


Jeanne Grunert profile image

Jeanne Grunert 6 months ago from Virginia Author

Good luck!


Cyndi10 profile image

Cyndi10 6 months ago from Georgia

Great informative article. My aunt grew the most beautiful peonies. I remember the huge ants that seemed to love them. Atlanta does not seem to be the place for them. I don't think we get enough freezing weather. But I wish we could grow them here. They are so beautiful in gardens and make great arrangements in the house. Thanks for sharing the useful information.

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