Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Helianthus (hee-lee-AN-thus) (Info)
Species: annuus (AN-yoo-us) (Info)
Cultivar: Big Smile
 One vendor has this plant for sale.
2 members have or want this plant for trade. Category:
Annuals
Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing:
9-12 in. (22-30 cm)
Hardiness:
Not Applicable
Sun Exposure:
Full Sun
Danger:
N/A
Bloom Color:
Bright Yellow
Bloom Time:
Mid Summer
Late Summer/Early Fall
Foliage:
Herbaceous
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
This plant is resistant to deer
Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information:
Non-patented
Propagation Methods:
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
| 
