Can You Grow Broccoli in Zone 6b?
Quick Answer:
✅ Yes — Broccoli grows well here as a spring or fall crop — time planting to avoid peak summer heat.
✅ Yes
Broccoli grows well in Zone 6b
Broccoli grows well here as a spring or fall crop — time planting to avoid peak summer heat.
📅 When to Plant in Zone 6b
Start Indoors
Feb 1
Transplant Out
Mar 15
Last Sow Date
Aug 27
🌾 Harvest
May 14 – Jun 3
Based on Zone 6b's average last frost of mid-March and first frost of mid-November.
🌱 Growing Broccoli in Zone 6b
Start indoors 6-8 weeks before last frost for spring planting or direct sow in midsummer for fall. Harvest the main head before it flowers — side shoots continue producing after.
🪴 Container: 5+ gal pot❄️ Frost Tolerant
🗺️ USDA Plant Hardiness Zones
Zone 6 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 6b
- USDA Zone
- 6b
- Last Frost
- mid-March
- First Frost
- mid-November
- Frost-Free Days
- 244
- Broccoli Zone Range
- 2a – 9b
- Days to Harvest
- 60–80 days
Frequently Asked Questions
Broccoli grows well here as a spring or fall crop — time planting to avoid peak summer heat.
Zone 6b is in USDA Hardiness Zone 6b with approximately 244 frost-free days per year.
Broccoli grows in USDA Zones 2a–9b.
Broccoli needs moderate care and attention to thrive.