Astrantia, Great Masterwort 'Lars'

Astrantiamajor

Family
Apiaceae (ay-pee-AY-see-ee)
Genus
Astrantia (ast-ran-tee-a)
Species
major (MAY-jor)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Herbaceous
Height
18-24 in. (45-60 cm)
Spacing
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
Lavender
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
Flowers are fragrant
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
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Hopkins, Minnesota

Lexington, Virginia

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Gardener's Notes:

1
positive
1
neutral
0
negative
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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.

M
Hopkins, MN (Zone 4a) | August 2012 | positive

I happen to really like astrantia in general, but many of the ruby/red/rose varieties look the same to me, and the color is usually on th...Read More

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