Kerria Species, Bachelor's Button, Easter Rose, Japanese Kerria, Japanese Rose

Kerriajaponica

Family
Rosaceae (ro-ZAY-see-ee)
Genus
Kerria (KER-ee-a)
Species
japonica (juh-PON-ih-kuh)
Synonym
Corchorus japonicus
Kerria japonica var. denticulata
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Height
4-6 ft. (1.2-1.8 m)
Spacing
4-6 ft. (1.2-1.8 m)
Hardiness
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Bright Yellow
Bloom Time
Mid Spring
Late Summer/Early Fall
Other Details
Category
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From softwood cuttings
By simple layering
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Auburn, Alabama

Gadsden, Alabama

Aurora, Colorado

Pensacola, Florida

Locust Grove, Georgia

Woodstock, Georgia

Boise, Idaho

Martinsville, Indiana

Ewing, Kentucky

Fallston, Maryland

Marlborough, Massachusetts

Roslindale, Massachusetts

Dearborn, Michigan(2 reports)

Madison, Mississippi

Absecon, New Jersey

Ithaca, New York

Medina, New York

Burlington, North Carolina

Hays, North Carolina

Raleigh, North Carolina

Chesterland, Ohio

Cincinnati, Ohio

Columbus, Ohio

Oklahoma City, Oklahoma

Florence, South Carolina

Orangeburg, South Carolina

Austin, Texas

Weatherford, Texas

Hampton, Virginia

Lexington, Virginia

Norfolk, Virginia

Smithfield, Virginia(2 reports)

Seattle, Washington

Spokane, Washington

Stanwood, Washington

Buffalo, West Virginia

Menasha, Wisconsin

Porterfield, Wisconsin

show all

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Gardener's Notes:

11
positives
4
neutrals
0
negative
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D
Smithfield, VA | August 2014 | positive

I live in Smithfield, VA. It does quite well here. Does anyone know of any medicinal uses?

C
ROSLINDALE, MA | May 2014 | neutral

This species does not have spines or sharp edges.

P
P
Dearborn, MI (Zone 5b) | May 2014 | positive

I have three of these bushes at the back of my lot to block out the lot behind mine, whose owner seldom even cuts his grass. It is very ...Read More

P
Marlborough, MA (Zone 6a) | January 2013 | positive

I was given a kerria by a good gardening friend of mine. It has performed wonderfully for me. It is the first to shrub to bloom in the ...Read More

C
Martinsville, IN (Zone 5b) | October 2012 | positive

Transplants quite easily. Benefits from light pruning after flowering. Golden Guineas in damp shade are happier, fuller and bloom more ...Read More

M
M
Weatherford, TX | May 2011 | positive

My Kerria Japonica has double bloom carnation-like flowers. The flowers are about the size of a quarter and very attractive. The flower...Read More

D
Medina, NY | April 2011 | positive

Saw this plant growing in the city of Seoul, South Korea on a hillside just outside of the military base called Yongsan. I identified it...Read More

O
Hampton, VA | April 2011 | positive

This plant is misidentified in this profile. Even the pics are wrong. It has no thorns. Check this link for the real info and pic of this...Read More

J
Oklahoma City, OK | March 2011 | positive

I sited this plant between the roots of a huge elm tree so that it would have shade most of the day. It blooms beautifully in the early ...Read More

W
Cincinnati, OH (Zone 6a) | October 2006 | neutral

I think this is a lovely shrub when in bloom, but I'm not nuts about the foliage. I'm probably biased about it, though, since it was a hu...Read More

J
J
Rockwood, ON (Zone 5a) | October 2006 | neutral

A really pretty plant, that grows well, here in Southern Ontario. However, the rabbits really like to chew on it during the winter, so i...Read More

B
Appleton, WI (Zone 5a) | December 2005 | positive

My 'Golden Guinea' flowers in full shade, which is it's best feature. The foliage is a bit rough.

L
Ithaca, NY (Zone 5b) | October 2004 | positive

Wonderful shrub with branches that stay green throughout the winter and add interest to the stark landscape. In spring the bush is cover...Read More

B
| May 2002 | positive

This is the simplest ever to grow.
I am from Maine and even our winters haven't killed it yet!

T
T
Murfreesboro, TN (Zone 7a) | March 2001 | neutral

Deciduous shrub forms dense mounds of slender green stems that are attractive even in the winter. Oval shaped leaves appear in time to pr...Read More

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