How Big Do Itoh Peonies Get?

by | Last updated on January 24, 2024

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Because Itoh peonies are fast-growing and also grow somewhat more wide than tall (

about 2.5 ft. tall and 3.5 ft. wide

), they are a rather wonderful choice when massed as a low hedge like the one seen here (this is Singing in the Rain).

How fast do Itoh peonies grow?

Itoh peonies are prolific bloomers—they can grow vigorously to three feet tall and four feet wide—and will grow a second set of blooms. Once they’re established, they have an extended blooming period. You can expect 30 blossoms the first year and

up to 60 on

a mature bush.

Why are Itoh peonies so expensive?

An Itoh peony is worth any price you have to pay, because these

plants produce leaves and flowers that resemble tree peonies on a plant that behaves like a perennial

. … The plants have stout stems similar to a tree peony, so there’s no need to stake plants, even though the flower heads are so large.

How much sun do Itoh peonies need?

Plant Itoh peonies in

full sun to part shade

and in rich, well-drained soil. Itoh peonies are sensitive to high levels of nitrogen. When fertilizing in spring and summer, be sure to use a fertilizer that contains a low level of nitrogen, like 4-10-12. Do not fertilize peonies in late summer to fall.

How long does it take Itoh peonies to bloom?

Itoh Peonies are hybrids produced by crossing a tree peony with an herbaceous peony. These peonies produce up to 50 or more huge flowers on sturdy short stems that do not require staking. They generally bloom after the herbaceous peonies for

3-4 weeks

.

Do Itoh peonies bloom more than once?

Just as the herbaceous peonies are winding down, the Itoh hybrid peonies burst into bloom, thus extending the peony season by two more wonderful weeks. … In this way a single established Itoh peony plant can produce

three dozen or more blooms over

an extended three week period.

Which peony blooms the longest?

Which type of peony blooms the longest? If you’re looking for an extended bloom season,

Intersectional peonies

can produce flowers for a period of 3 to 4 weeks, with as many as 30 to 50 blossoms per plant. The blooms of a tree peony, if protected from the hot afternoon sun, can last as long as 14 days.

Do peonies multiply?

The only way to multiply peony plants is

to divide peonies

. … These will actually be the part that comes through the ground after planting and forms a new peony plant when you divide peonies. After rinsing, you should leave the roots in the shade so they soften up a bit.

Are coffee grounds good for peonies?

Coffee Grounds and Peonies

There is a lot of discussion around whether coffee grounds are a reliable natural type of fertilizer for plants. In regards to peonies, it is

best to stay away from pouring your used coffee grounds on the soil around peonies and other perennial flowers

.

Are peonies high maintenance?

Peonies (Paeonia spp. and cvs., USDA Hardiness Zones 3–8)

are not high-maintenance divas

. Despite their gorgeous blooms, peonies, once established, are some of the most easygoing perennials you’ll ever grow.

Why do my peonies have no flowers?

The most common reasons peonies fail to bloom are

cultural

(planting in too much shade and planting too deeply). Remember that peonies are tough and often survive for many years in “not so ideal” sites. However, if they fail to bloom one year – watch out – everyone notices! Peony.

Are Itoh peonies sterile?

Intersectional hybrid (Itoh)

peonies are sterile

and do not yield viable seeds. Unfortunately some garden favorites like the advanced herbaceous hybrids ‘Coral Charm’ and “Lois’ Choice’ are also infertile.

Are Itoh peonies fragrant?

Paeonia ‘Garden Treasure’ (Itoh Peony)

This late midseason peony is fragrant with a

lovely lemon scent

.

Do Itoh peonies attract ants?

Sturdy stems do not require staking, even when the plant is loaded with flowers or even after a rainfall. Fragrant and great cut flower. Disease resistant, deer resistant, and winter hardy. Plant is sterile and therefore

does not attract ants like

a standard garden peony does.

Do Itoh peonies attract bees?


Bees do love the single

(picture above) and double peony (below) and their nectar. … However, there is a petal type called the “bomb double” (picture below) that does not produce pollen so the bees do not visit them, but they are so beautiful. Peonies need at least 6 hours of sunlight to bloom.

David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.