my LocalPlanting

When to Plant Lupine in Boca Grande, Florida (33921)

Location

Boca Grande, Florida

ZIP Code

33921

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, December 18, 2025

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 Boca Grande?

Get your seeds now so they're ready by Thursday, December 18, 2025.

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

CarrotBrassicasCorn

⚠️ Avoid Planting Near

Fennel

Other Plants for Boca Grande

Growing Lupine in Zone 10b

Lupine (Lupinus polyphyllus) is a popular garden vegetable. In Boca Grande, Florida, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Thursday, December 18, 2025.

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