Category
Herbs
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Herbaceous
Good Fall Color
Foliage Color
Chartreuse/Yellow
Height
4-6 ft. (1.2-1.8 m)
Spacing
24-36 in. (60-90 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)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
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Where to Grow
Danger
Handling plant may cause skin irritation or allergic reaction
Pollen may cause allergic reaction
Bloom Color
Inconspicuous/none
Bloom Characteristics
Bloom Size
Bloom Time
Late Summer/Early Fall
Mid Fall
Other details
May be a noxious weed or invasive
Soil pH requirements
5.6 to 6.0 (acidic)
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 rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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