Asteraceae
Helianthus praecox subsp. praecox
Helianthus praecox subsp. praecox
Flowering Plants · Native Plants · Sunflower · Native · Texas · Wildflower · Perennial · Pollinator · Asteraceae · Part Shade · Helianthus · Rare
The early sunflower subspecies is a Texas-endemic perennial that prefers partial shade and consistent soil moisture throughout the growing season. Plant in well-drained but reliably moist soil and avoid full midday sun in hot climates. This rare native is best appreciated in naturalistic or wildlife garden settings where pollinators can benefit from its cheerful yellow blooms.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water deeply until soil is evenly moist, 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
- 18 in apart
- Growth rate
- Slow
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Texas
- Attracts
- Bees, Butterflies, Birds
Sources: trefle, usda
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