Astrantia Species, Great Masterwort

Astrantia major

Family
Apiaceae (ay-pee-AY-see-ee)
Genus
Astrantia (ast-ran-tee-a)
Species
major (MAY-jor)
Synonym
Astrantia australis
Astrantia candida
Astrantia caucasica
Astrantia europaea
Astrantia intermedia
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Herbaceous
Smooth
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
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)
Danger
N/A
Bloom Color
Pink
Rose/Mauve
Red
Medium Purple
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms repeatedly
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
Flowers are good for drying and preserving
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Juneau, Alaska

Mckinleyville, California

Menifee, California

Parker, Colorado

Winnetka, Illinois

Bremen, Indiana

Abbot, Maine

Cambridge, Massachusetts

Weymouth, Massachusetts

Dearborn Heights, Michigan

Ferrysburg, Michigan

Lincoln Park, Michigan

Marshall, Minnesota

Ithaca, New York

Massena, New York

Orchard Park, New York

Coshocton, Ohio

Austin, Texas

Kalama, Washington

Puyallup, Washington

Seattle, Washington

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Gardener's Notes:

5
positives
3
neutrals
0
negative
Sort By:
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N
SOUTH WEYMOUTH, MA | March 2018 | positive

Growing in mostly shady bog garden. The blooms are long-lasting and pretty in an old-fashioned way. I don't think they show well alone, b...Read More

N
N
| September 2015 | positive

I've grown this in the UK for over 40 years and never lost one.. We are very high up in the Pennine hills with strong winds and temperatu...Read More

C
ROSLINDALE, MA | February 2015 | neutral

Hardy Z4-7 in eastern N. America. This species does not tolerate hot humid summers in which the night temperatures often remain above 70F.

S
(Zone 10a) | June 2009 | positive

I photographed this plant a couple of weeks ago in the Rose Garden at Woodland Park in Seattle.
I did not know what it was, but i...Read More

M
Coon Rapids, MN (Zone 4a) | April 2008 | neutral

Supposed to be zone 4 hardy too.

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

I got one of these plants in our annual spring plant swap. I'd not heard of it before but the tag said "shade" so that's where I planted...Read More

W
Puyallup, WA (Zone 5a) | October 2003 | positive

Got this wonderful plant a few years ago. Planted it in a mixed container. Has become one of my favorites. The dark purple one is my f...Read More

J
J
MD &, VA (Zone 7b) | June 2001 | neutral

Has lobed, palmate leaves forming a loose mound of foliage. Daisy-like flowers rise on stems in early to mid summer and are produced thro...Read More

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