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When to Plant Mizuna in Key West, Florida (33045)

Location

Key West, Florida

ZIP Code

33045

USDA Zone

11b

Last Frost

Thursday, January 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, December 4, 2025

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

🌿 Plant Details

Scientific Name Brassica rapa var. nipposinica
Days to Maturity 40 days
Mature Height 8-18"
Spread 8"

☀️ Growing Requirements

☀️

Sun

Partial to Full Sun (4-6 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 4-7 days

Ready to Plant Mizuna in Key West?

Get your seeds now so they're ready by Thursday, December 4, 2025.

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🤝 Good Companions

CarrotOnionBeetSpinach

⚠️ Avoid Planting Near

StrawberryTomato

Other Plants for Key West

Growing Mizuna in Zone 11b

Mizuna (Brassica rapa var. nipposinica) is a popular garden vegetable. In Key West, Florida, which is in USDA Hardiness Zone 11b, you should direct sow seeds around Thursday, December 4, 2025.

Your average last frost date is Thursday, January 1, 2026. Mizuna grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.