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Category
Perennials
Water Requirements
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Foliage Color
Height
36-48 in. (90-120 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
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Where to Grow
Danger
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction
Bloom Color
Magenta (pink-purple)
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Bloom Time
Late Summer/Early Fall
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
By dividing the rootball
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Wear gloves to protect hands when handling seeds
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