When to Plant Lima Bean in Smyrna Mills, Maine (04780)
Location
Smyrna Mills, Maine
ZIP Code
04780
USDA Zone
4b
Last Frost
Tuesday, May 5, 2026
📅 Planting Calendar
Direct Sow Outdoors Tuesday, March 24, 2026
Pro Tip: Lima Bean can be directly sown outdoors. Plant 6 weeks before your last frost date.
🌿 Plant Details
Scientific Name Phaseolus lunatus
Days to Maturity 75 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
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Growing Lima Bean in Zone 4b
Lima Bean (Phaseolus lunatus) is a popular garden vegetable. In Smyrna Mills, Maine, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, March 24, 2026.
Your average last frost date is Tuesday, May 5, 2026. Lima Bean grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.