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Astrantia, Great Masterwort 'Canneman'

Astrantiamajor

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Astrantia major by bonniewong
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Family
Apiaceae (ay-pee-AY-see-ee)
Info
Genus
Astrantia (ast-ran-tee-a)
Info
Species
major (MAY-jor)
Info
Synonym
Astrantia major subsp. involucrata
Astrantia major var. involucrata
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
Danger
N/A
Bloom Color
Pale Pink
Pink
Pale Green
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Blooms repeatedly
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
Flowers are good for cutting
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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
From seed; stratify if sowing indoors
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Bag seedheads to capture ripening seed
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional
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Gardener's Notes:

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C
C
coriaceous
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.

B
B
bonniewong
| November 2005 | positive

This plant bloomed all summer for me. The flowers are held high above the foliage and change color as they age. They open a medium pink c...Read More

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