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Category
Alpines and Rock Gardens
Perennials
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Grown for foliage
Herbaceous
Smooth
Foliage Color
Blue-Green
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
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
Can be grown as an annual
Danger
N/A
Bloom Color
Pale Pink
White/Near White
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Bloom Time
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
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From leaf cuttings
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
Allow cut surface to callous over before planting
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
From seed; direct sow after last frost
By simple layering
By air layering
By tip layering
By serpentine layering
By stooling or mound layering
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
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