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Few garden plants can deliver a show to rival that of well-grown peonies. Large bushes, lush flowers, fabulous fragrance and a lifetime of garden glory. Outstanding! Grown for centuries, these beauties are remarkably undemanding. Well sited, planted at the correct depth (they aren’t flexible on this) and given a bit of winter cold, these gorgeous perennials deliver their bounty spring after spring. Isn’t it time you had peonies to look forward to every May?
Select a planting site with full sun to ¾ day sun. While peony plants will often grow with less light, they don’t flower well without lots of sunlight. In fact, one of the primary reasons peonies fail to bloom profusely is because of insufficient sunlight. Given that peonies are such long lived plants, it’s worth a little effort to scout a site that’s sunny now and can be expected to stay that way for years; i.e. avoid planting where shade from nearby trees is likely to increase significantly. Also, allow 3-4 feet of space for each plant. This spacing ensures that when the peony is mature (4+ years old) it will enjoy the good air circulation that promotes healthy growth.
Peonies are happy with average soil and neutral soil pH. Very rich soil can produce lots of foliage at the expense of flowers so avoid over fertilization. As with most plants, good drainage is required to prevent root rot.
Peonies can be planted successfully in the fall or in the spring. Plant upon receipt. Fall planted peonies have the advantage of being able to grow a nice set of feeder roots before having to support the stems, leaves, buds and flowers of an actively growing plants.
Dig a hole large enough to accommodate the roots and add a handful or two of compost to the soil you removed. Add a little loose, amended soil back in the hole making a mound to rest the root on. Fan out the roots where possible; they can be stiff so take care not to break off.
Position the root in the planting hole so that the little growing points on the root crown are: 1.5 – 2” below the soil surface for cold climate gardens and 1” below the soil surface for warm region gardens. This may seem fussy but does matter for good flower production. Pat the soil to remove air pockets and water to settle the soil around the root. Check to make sure the root hasn’t sunk as the soil settled.
Peonies need an average amount of water for good growth, typically about 1” of water a week from rain, irrigation or a combination of the two.
Peony foliage typically holds its attractive looks through the fall and some varieties even have leaves that turn a lovely deep red, a nice bonus. When the foliage succumbs to frost or browns on its own, trim back to 2” above the soil line. Discard the trimmings; don’t compost.
The first fall, add 3-4” of loose mulch; pine needles, bark nuggets or straw. This provides insulation to limit the freezing and thawing of the soil as air temperatures fluctuate, and reduces the changes of frost heave. In spring, pull the mulch back away from the peony sprouts as soon as they appear. Look for new shoots that are pink or red – peony sprouts are colorful!
The first spring, a newly planted 3-5 eye peony will typically produce one to three stems that grow 6" to 12” tall. Generally there will be no flowers that first year. Flowers that do develop are often a color or form that is not representative of those on the mature plant. Not much to get excited about, but wait! Think investment.
Year two, the number of stems is usually double what it was the first year and the growth is taller. There may be a bloom or two produced. Don’t worry if the flowers are a bit small, this will correct with time and maturity.
The third year, the stem count will typically be twice what it was the prior year. By year four your peony will be close full size and should produce plenty of blooms that are of normal size. The plant will continue to expand for the next 4 to 6 years, reaching full size at age 8 or 10.
For the rest of your peony's life – a plant that can live more than 50 years, so as long as you do – you’ll enjoy spring to early summer blooms. Peonies are a first rate garden investment!
Light: Full sun to ¾ day sun
Soil: Average, well drained
Depth: Cover growing points with 1-2" of soil
Water: Average moisture
Uses: Beds, borders and sunny garden naturalized meadows
Tip: Planting depth is key for good flowering; see details at left
They Start Out looking Like This:
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