Can You Grow Borage in Zone 13b?
Quick Answer:
❌ No — Borage is nearly zone-universal — if you cannot grow it outdoors, start it in a container.
❌ No
Borage won't survive Zone 13b winters outdoors
Borage is nearly zone-universal — if you cannot grow it outdoors, start it in a container.
🗺️ 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
- Borage Zone Range
- 2a – 11b
- Days to Harvest
- 50–60 days
Frequently Asked Questions
Borage is nearly zone-universal — if you cannot grow it outdoors, start it in a container.
Zone 13b is in USDA Hardiness Zone 13b with approximately 365 frost-free days per year.
Borage grows in USDA Zones 2a–11b.
Borage is beginner-friendly and one of the easier crops to grow.