When to Plant Lupine in Chicago, Illinois (60607)

Location

Chicago, Illinois

ZIP Code

60607

USDA Zone

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Wednesday, March 18, 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 Chicago?

Get your seeds now so they're ready by Wednesday, March 18, 2026.

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🤝 Good Companions

CarrotBrassicasCorn

⚠️ Avoid Planting Near

Fennel

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Growing Lupine in Zone 6b

Lupine (Lupinus polyphyllus) is a popular garden vegetable. In Chicago, Illinois, which is in USDA Hardiness Zone 6b, you should direct sow seeds around Wednesday, March 18, 2026.

Your average last frost date is Wednesday, April 15, 2026. Lupine grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.