When to Plant Parsnip in Cardwell, Montana (59721)
Location
Cardwell, Montana
ZIP Code
59721
USDA Zone
5a
Last Frost
Sunday, May 10, 2026
📅 Planting Calendar
Start Seeds Indoors Sunday, March 15, 2026
Transplant Outdoors Sunday, May 24, 2026
Pro Tip: Start Parsnip seeds indoors 8 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Pastinaca sativa
Days to Maturity 7 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 8-21 days
🤝 Good Companions
Fruit Trees
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Growing Parsnip in Zone 5a
Parsnip (Pastinaca sativa) is a popular garden vegetable. In Cardwell, Montana, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 15, 2026.
Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Parsnip seedlings outdoors around Sunday, May 24, 2026, about 2 weeks after your last frost date.