Can You Grow Sunflower in Zone 13a?
Quick Answer:
❌ No — Sunflowers grow in virtually any zone with a few weeks of warm weather.
❌ No
Sunflower won't survive Zone 13a winters outdoors
Sunflowers grow in virtually any zone with a few weeks of warm weather.
🗺️ USDA Plant Hardiness Zones
Zone 13 is shown in
this colour
on the map below
2023 USDA Plant Hardiness Zone Map — public domain. USDA Agricultural Research Service
USDA zones run 1a–13b (26 half-zones). Each full zone above covers both the a and b half-zones. Browse all US zones →
Technical climate details for Zone 13a
- USDA Zone
- 13a
- Last Frost
- no frost
- First Frost
- no frost
- Frost-Free Days
- 365
- Sunflower Zone Range
- 2a – 11b
- Days to Harvest
- 60–80 days
Frequently Asked Questions
Sunflowers grow in virtually any zone with a few weeks of warm weather.
Zone 13a is in USDA Hardiness Zone 13a with approximately 365 frost-free days per year.
Sunflower grows in USDA Zones 2a–11b.
Sunflower is beginner-friendly and one of the easier crops to grow.