Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Helianthus (hee-lee-AN-thus) (Info)
Species: annuus (AN-yoo-us) (Info)
Cultivar: Bicentenary
 2 members have or want this plant for trade.
Category:
Annuals
Height:
4-6 ft. (1.2-1.8 m)
Spacing:
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness:
Not Applicable
Sun Exposure:
Full Sun
Danger:
N/A
Bloom Color:
Bright Yellow
Brown/Bronze
Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall
Foliage:
Silver/Gray
Velvet/Fuzzy-Textured
Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season
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:
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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