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Quick Answer: ✅ Yes — Cilantro grows easily here as a cool-season herb — sow every few weeks for continuous harvest.
✅ Yes

Cilantro grows well in Zone 5b

Cilantro grows easily here as a cool-season herb — sow every few weeks for continuous harvest.

📅 When to Plant in Zone 5b

Direct Sow Apr 7
Last Sow Date Sep 7
🌾 Harvest Apr 28 – May 22

Based on Zone 5b's average last frost of early April and first frost of late October.

🌱 Growing Cilantro in Zone 5b

Direct sow every 3 weeks for continuous harvest. Bolts in heat — plant in shade in summer or focus on cool seasons. Harvest before it bolts. Let some bolt to collect coriander seeds.

🪴 Container: 2+ gal pot🏠 Indoor Viable💧 Hydroponic OK❄️ Frost Tolerant

🗺️ USDA Plant Hardiness Zones

Zone 5 is shown in this colour on the map below
2023 USDA Plant Hardiness Zone Map — zones 1 to 13

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 5b
USDA Zone
5b
Last Frost
early April
First Frost
late October
Frost-Free Days
197
Cilantro Zone Range
3a – 9a
Days to Harvest
21–45 days

Frequently Asked Questions

Cilantro grows easily here as a cool-season herb — sow every few weeks for continuous harvest.
Zone 5b is in USDA Hardiness Zone 5b with approximately 197 frost-free days per year.
Cilantro grows in USDA Zones 3a–9a.
Cilantro is beginner-friendly and one of the easier crops to grow.