Astrantia, Great Masterwort
Astrantiamajor 'Florence'

Family: Apiaceae (ay-pee-AY-see-ee)
Genus: Astrantia (ast-ran-tee-a)
Species: major (MAY-jor)
Cultivar: Florence

Category
Perennials

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Herbaceous
Smooth

Foliage Color

Height
24-36 in. (60-90 cm)

Spacing
18-24 in. (45-60 cm)

Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
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)

Where to Grow

Danger
N/A

Bloom Color
Pale Pink
Pink

Bloom Characteristics
Flowers are good for cutting
Flowers are good for drying and preserving

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Blooms repeatedly

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
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