Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Ambrosia (am-BRO-zhuh) (Info)
Species: tomentosa (toh-men-TOH-suh) (Info)
Synonym:Ambrosia discolor
Synonym:Franseria discolor
Synonym:Gaertneria discolor
Category:
Perennials
Height:
6-12 in. (15-30 cm)
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)
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)
Sun Exposure:
Full Sun
Danger:
Pollen may cause allergic reaction
Bloom Color:
Chartreuse (Yellow-Green)
Inconspicuous/none
Bloom Time:
Mid Summer
Late Summer/Early Fall
Foliage:
Herbaceous
Silver/Gray
Velvet/Fuzzy-Textured
Other details:
May be a noxious weed or invasive
Soil pH requirements:
6.6 to 7.5 (neutral)
Patent Information:
Unknown - Tell us
Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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