Can You Grow Collard Greens in Zone 13b?
Quick Answer:
❌ No — Collard greens struggle in zones with extreme cold — they are heat and mild-frost tolerant but not deeply cold-hardy.
❌ No
Collard Greens won't survive Zone 13b winters outdoors
Collard greens struggle in zones with extreme cold — they are heat and mild-frost tolerant but not deeply cold-hardy.
🗺️ 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 13b
- USDA Zone
- 13b
- Last Frost
- no frost
- First Frost
- no frost
- Frost-Free Days
- 365
- Collard Greens Zone Range
- 5a – 11b
- Days to Harvest
- 60–80 days
Frequently Asked Questions
Collard greens struggle in zones with extreme cold — they are heat and mild-frost tolerant but not deeply cold-hardy.
Zone 13b is in USDA Hardiness Zone 13b with approximately 365 frost-free days per year.
Collard Greens grows in USDA Zones 5a–11b.
Collard Greens is beginner-friendly and one of the easier crops to grow.