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Quick Answer: ❌ No β€” Radishes grow in virtually every zone with a few weeks of frost-free weather.
❌ No

Radish won't survive Zone 13b winters outdoors

Radishes grow in virtually every zone with a few weeks of frost-free weather.

πŸ—ΊοΈ USDA Plant Hardiness Zones

Zone 13 is shown in this colour on the map below
2023 USDA Plant Hardiness Zone Map β€” zones 1 to 13

2023 USDA Plant Hardiness Zone Map β€” 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 β†’

Technical climate details for Zone 13b
USDA Zone
13b
Last Frost
no frost
First Frost
no frost
Frost-Free Days
365
Radish Zone Range
2a – 9b
Days to Harvest
22–30 days

Frequently Asked Questions

Radishes grow in virtually every zone with a few weeks of frost-free weather.
Zone 13b is in USDA Hardiness Zone 13b with approximately 365 frost-free days per year.
Radish grows in USDA Zones 2a–9b.
Radish is beginner-friendly and one of the easier crops to grow.