Helianthus heterophyllus
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Variableleaf Sunflower
Asteraceae (Compositae)
Plant Specifics
| Form: | Flower | |
| Size: | 4 ft | |
| Life Span: | Long-lived perennial | |
| Flower Color: | Yellow with reddish purple center | |
| Fruit Color: | NA | |
| Phenology: | Winter dormant. Basal leaf rosette, few leaves on stalk, spreads by underground rhizomes. Blooms best after fire Aug.-Oct. | |
| Noted for: | Showy flowers |
Landscaping
| Recommended Uses: | Moist wildflower meadows. | ||||||||||||||||||||||||||||||||||||||||||
| Propagation: | Seed or division of a cluster. | ||||||||||||||||||||||||||||||||||||||||||
| Availability: | Friends, Native nurseries, FNPS plant sales | ||||||||||||||||||||||||||||||||||||||||||
| Light: | Full Sun | ||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: |
always floodedextremely dry |
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| (Stays Wet ----- to ----- Somewhat moist, no flooding) | |||||||||||||||||||||||||||||||||||||||||||
| Moisture Tolerance: | Stays Wet ----- to ----- Somewhat moist, no flooding | ||||||||||||||||||||||||||||||||||||||||||
| Salt Water Flooding Tolerance: | Unknown | ||||||||||||||||||||||||||||||||||||||||||
| Salt Spray/ Salty Soil Tolerance: | Unknown | ||||||||||||||||||||||||||||||||||||||||||
| Soil or other substrate: | Loam, Organic material (muck), Sand | ||||||||||||||||||||||||||||||||||||||||||
| Soil pH: | Acidic | ||||||||||||||||||||||||||||||||||||||||||
Ecology
| Wildlife: |
Birds and small mammals eat the seeds. | |
| Insects: | Primarily pollinated by bees. | |
| Native Habitats: | Moist to wet areas, marsh edges, seep slopes, savannas. |
Distribution and Planting Zones
Natural Range in Florida
USDA Zones
Suitable to grow in:
8A 8B
USDA zones are based on minimum winter temperatures