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Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Sun Exposure
Full Sun
Foliage
Herbaceous
Foliage Color
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 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)
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Where to Grow
Danger
N/A
Bloom Color
Rose/Mauve
Lavender
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
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
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
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