When to Plant Mustard in Pen Argyl, Pennsylvania (18072)
Location
Pen Argyl, Pennsylvania
ZIP Code
18072
USDA Zone
6b
Last Frost
Wednesday, April 15, 2026
📅 Planting Calendar
Direct Sow Outdoors Wednesday, March 4, 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 6b
Mustard (Brassica juncea) is a popular garden vegetable. In Pen Argyl, Pennsylvania, which is in USDA Hardiness Zone 6b, you should direct sow seeds around Wednesday, March 4, 2026.
Your average last frost date is Wednesday, April 15, 2026. Mustard grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.