When to Plant Parsnip in Lothair, Montana (59461)
Location
Lothair, Montana
ZIP Code
59461
USDA Zone
4a
Last Frost
Friday, May 15, 2026
📅 Planting Calendar
Direct Sow Outdoors Friday, March 20, 2026
Pro Tip: Sow Parsnip directly outdoors 8 weeks before your last frost date.
🌿 Plant Details
Scientific Name Pastinaca sativa
Days to Maturity 100 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 8-21 days
Ready to Plant Parsnip in Lothair?
Get your seeds now so they're ready by Friday, March 20, 2026.
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🤝 Good Companions
Fruit Trees
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Growing Parsnip in Zone 4a
Parsnip (Pastinaca sativa) is a popular garden vegetable. In Lothair, Montana, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, March 20, 2026.
Your average last frost date is Friday, May 15, 2026. Parsnip grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.