Helianthus debilis subsp. tardiflorus
Helianthus debilis subsp. tardiflorus
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.
Care Level
Moderate
Sun
Partial Shade
Water
Moderate
Growth Rate
Slow
Mature Height
18″ – 36″
Soil
loam
Life Cycle
Perennial
Spacing
24″
Watering Schedule
Every 7-10 Days • Water Deeply Until Soil Is Moist 3-4 Inches Down, Then Allow The Top Inch To Dry Before Watering Again
Soil pH
5.2 – 7.2
Temperature
-20° – 90°F
Mature Spread
up to 24″
Root Depth
Medium
Foliage
Coarse
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.