Can You Grow Dill in Zone 4a?
Quick Answer:
✅ Yes — Dill grows easily here — direct sow in spring and let it self-seed for future seasons.
✅ Yes
Dill grows well in Zone 4a
Dill grows easily here — direct sow in spring and let it self-seed for future seasons.
📅 When to Plant in Zone 4a
Direct Sow
Apr 25
Last Sow Date
Aug 6
🌾 Harvest
Jun 4 – Jun 24
Based on Zone 4a's average last frost of late April and first frost of early October.
🌱 Growing Dill in Zone 4a
Direct sow — dill does not transplant well. Let some plants go to seed for self-seeding next year. Harvest before flowering for best leaf flavour; harvest seeds once ripe. Good companion for tomatoes.
🪴 Container: 3+ gal pot❄️ Frost Tolerant
🗺️ USDA Plant Hardiness Zones
Zone 4 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 4a
- USDA Zone
- 4a
- Last Frost
- late April
- First Frost
- early October
- Frost-Free Days
- 163
- Dill Zone Range
- 2a – 9b
- Days to Harvest
- 40–60 days
Frequently Asked Questions
Dill grows easily here — direct sow in spring and let it self-seed for future seasons.
Zone 4a is in USDA Hardiness Zone 4a with approximately 163 frost-free days per year.
Dill grows in USDA Zones 2a–9b.
Dill is beginner-friendly and one of the easier crops to grow.