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When to Plant Lupine in York Harbor, Maine (03911)

Location

York Harbor, Maine

ZIP Code

03911

USDA Zone

6a

Last Frost

Monday, April 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, March 23, 2026

Pro Tip: Sow Lupine directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Lupinus polyphyllus
Days to Maturity 365 days
Mature Height 24-48"
Spread 24"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate (1 inch/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 14-21 days

Ready to Plant Lupine in York Harbor?

Get your seeds now so they're ready by Monday, March 23, 2026.

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🤝 Good Companions

CarrotBrassicasCorn

⚠️ Avoid Planting Near

Fennel

Other Plants for York Harbor

Growing Lupine in Zone 6a

Lupine (Lupinus polyphyllus) is a popular garden vegetable. In York Harbor, Maine, which is in USDA Hardiness Zone 6a, you should direct sow seeds around Monday, March 23, 2026.

Your average last frost date is Monday, April 20, 2026. Lupine grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.