When to Plant Mustard in Ambler, Alaska (99786)
Location
Ambler, Alaska
ZIP Code
99786
USDA Zone
2a
Last Frost
Monday, June 1, 2026
📅 Planting Calendar
Direct Sow Outdoors Monday, April 20, 2026
Pro Tip: Mustard can be directly sown outdoors. Plant 6 weeks before your last frost date.
🌿 Plant Details
Scientific Name Brassica juncea
Days to Maturity 56 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 1-7 days
🤝 Good Companions
CabbageCauliflowerRadishBrussel SproutTurnip
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Growing Mustard in Zone 2a
Mustard (Brassica juncea) is a popular garden vegetable. In Ambler, Alaska, which is in USDA Hardiness Zone 2a, you should direct sow seeds around Monday, April 20, 2026.
Your average last frost date is Monday, June 1, 2026. Mustard grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.