Asteraceae
Helianthus debilis subsp. tardiflorus
Helianthus debilis subsp. tardiflorus
Also known as Helianthus debilis var. tardiflorus
Flowering Plants · Native Plants · Helianthus Debilis · Beach Sunflower · Coastal Native · Southeastern Perennial · Yellow Flowers · Asteraceae · Florida Native · Wildlife Garden · Daisy · Pollinator
The late-flowering beach sunflower is a southeastern native perennial valued for its cheerful daisy-like yellow blooms and tolerance of coastal conditions. Plant in a partly shaded to full-sun location with average moisture, and deadhead spent flowers regularly to extend the blooming season. It is a great low-input plant for wildlife gardens and coastal landscapes in warm southern climates.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water deeply until soil is moist 3-4 inches down, then allow the top inch to dry before watering again · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 5.2–7.2
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 24 in apart
- Growth rate
- Slow
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Austria, Cuba, Florida, Georgia, Mississippi
- Attracts
- Bees, Butterflies, Birds
Sources: trefle, usda
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