Photo by Melody

PlantFiles: Japanese Tree Peony
Paeonia suffruticosa 'Shima Nishiki'

Family: Paeoniaceae
Genus: Paeonia (pay-OHN-ee-uh) (Info)
Species: suffruticosa (suf-roo-tee-KO-sa) (Info)
Cultivar: Shima Nishiki
Additional cultivar information: (aka Shimanishiki)

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20 members have or want this plant for trade.

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36-48 in. (90-120 cm)

36-48 in. (90-120 cm)

USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer


Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From semi-hardwood cuttings
By grafting

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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There are a total of 16 photos.
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10 positives
1 neutral
No negatives

Gardeners' Notes:

Positive cathy166 On Apr 6, 2013, cathy166 from Stamford, CT (Zone 6b) wrote:

This tree peony grows reliably each year, and it is possible to tell the number of buds early in the spring growth. There is no question in my mind that this is a graft. Blooms are large in all cases with the red being slightly smaller. They are pink, red or mixed as you would expect on this variety. How many pink and red mixed and the type of patterning is unpredictable but always a treat.

Positive trailingon On Sep 6, 2012, trailingon from dobie, ON (Zone 3a) wrote:

I have had this in my zone 2b garden for 3 years now and it gets better every year. I do not mulch or anything for winter. One of my favorite peonies.

Positive midwestfarmwife On Oct 3, 2011, midwestfarmwife from Jamestown, OH wrote:

Purchased a 2-3 yr. Shima Nishiki which had 2 lovely blooms the following May in zone 6. It is planted on the west side of the house that gets some afternoon shade. Be sure to plant the graft at least 3.5" below the soil. Tree peonies dislike being waterlogged, so plant where drainage is good.

Neutral krakatowa On Oct 24, 2010, krakatowa from kamloops, british columbia
Canada wrote:

I have only just now planted this variety of tree peony (late October). I am in Growing Zone 4 (Kamloops, B. C., Canada) and was told to expect a single bloom in the Spring. I am wondering about the recommended way of overwintering. I intend to mulch with leaves from my red maple, surrounded by burlap.

Positive rjcasey87 On Jun 4, 2009, rjcasey87 from Detroit, MI (Zone 6b) wrote:

This plant blooms a bit earlier than my other 3 tree peonies, and after 13 years, it is a good deal taller than the other 2 planted at the same time. It has also developed one "sport" branch of beautiful solid magenta blossoms that I may try air-layering to grow as a separate plant.

Positive mhubbard On Apr 22, 2009, mhubbard from Portland, OR wrote:

One of my favorite flowers. This is the 3rd year in the garden and each year I get more and more flowers. Expecting about 20 this year. Plant is growing well in full sun.

Positive chicochi3 On Apr 7, 2008, chicochi3 from Fayetteville, AR (Zone 6b) wrote:

This is an easy, maintenance-free plant. It'll take a beating and still look great!

Positive BobGelhard On Jul 30, 2006, BobGelhard from Onancock, VA (Zone 7b) wrote:

Absolutely beautiful plant. Mine is 3 years old and has 15 or more blooms each year. I plan to collect seed this year (Aug. 2006) and try propagation. I am disturbed by the size of the seeds -very small- however we shall see.

Bob Gelhard

Positive linjasar On May 14, 2006, linjasar from Upper Saint Clair, PA (Zone 6a) wrote:

Beautiful plant. No maintenance at all. Growing and blooming in the shade with some afternoon sun. Produced 1 bud last year, the first full year after I bought it, and it produced 9 this year.

Positive marabell On Apr 1, 2006, marabell from Narvon, PA wrote:

this plant is absolutely beautiful and is one of the first plants to bloom in the spring. It is also extremely low maintenance.

Positive crestedchik On May 31, 2003, crestedchik from Cicero, NY (Zone 5a) wrote:

Has gotten larger and had more blooms each year,low maintenance


This plant has been said to grow in the following regions:

Mobile, Alabama
Fayetteville, Arkansas
Stamford, Connecticut
Peachtree City, Georgia
South Amana, Iowa
Fallston, Maryland
Detroit, Michigan (2 reports)
Rochester, New York
West Monroe, New York
Boone, North Carolina
, Nova Scotia
Coshocton, Ohio
Jamestown, Ohio
Hillsboro, Oregon
Portland, Oregon
Narvon, Pennsylvania
State College, Pennsylvania

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