Can You Grow Swiss Chard in Zone 7b?
Swiss Chard grows well in Zone 7b
Swiss chard grows excellently here — cold-tolerant and productive continuously through the season.
📅 When to Plant in Zone 7b
Based on Zone 7b's average last frost of late February and first frost of early December — frost can arrive earlier or later in any given year, so check your local forecast before you transplant.
🌱 Growing Swiss Chard in Zone 7b
Direct sow in spring or fall. Harvest outer leaves continuously. Survives light frost. More heat-tolerant than spinach. Excellent for containers and indoor growing under lights.
🗺️ USDA Plant Hardiness Zones
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 7b
- USDA Zone
- 7b
- Last Frost
- late February
- First Frost
- early December
- Frost-Free Days
- 276
- Swiss Chard Zone Range
- 2a – 10b
- Days to Harvest
- 50–60 days