When to Plant Mustard in Rochester Mills, Pennsylvania (15771)
Location
Rochester Mills, Pennsylvania
ZIP Code
15771
USDA Zone
6a
Last Frost
Monday, April 20, 2026
📅 Planting Calendar
Direct Sow Outdoors Monday, March 9, 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 6a
Mustard (Brassica juncea) is a popular garden vegetable. In Rochester Mills, Pennsylvania, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, March 9, 2026.
Your average last frost date is Monday, April 20, 2026. Mustard grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.