Family: Asteraceae (ass-ter-AY-see-ay) (Info)
Genus: Helianthus (hee-lee-AN-thus) (Info)
Species: giganteus (jy-GAN-tee-us) (Info)
Synonym:Helianthus alienus
Synonym:Helianthus borealis
Synonym:Helianthus subtuberosus
Synonym:Helianthus validus
 One vendor has this plant for sale.
2 members have or want this plant for trade. Category:
Edible Fruits and Nuts
Perennials
Height:
36-48 in. (90-120 cm)
Spacing:
12-15 in. (30-38 cm)
Hardiness:
Unknown - Tell us
Sun Exposure:
Unknown - Tell us
Danger:
Unknown - Tell us
Bloom Color:
Gold (Yellow-Orange)
Bright Yellow
Bloom Time:
Mid Summer
Foliage:
Unknown - Tell us
Other details:
Unknown - Tell us
Soil pH requirements:
Unknown - Tell us
Propagation Methods:
Unknown - Tell us
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Remove fleshy coating on seeds before storing
Properly cleaned, seed can be successfully stored
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