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When to Plant Mizuna in Nogales, Arizona (85621)

Location

Nogales, Arizona

ZIP Code

85621

USDA Zone

8b

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, February 15, 2026

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 Nogales?

Get your seeds now so they're ready by Sunday, February 15, 2026.

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🤝 Good Companions

CarrotOnionBeetSpinach

⚠️ Avoid Planting Near

StrawberryTomato

Other Plants for Nogales

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Growing Mizuna in Zone 8b

Mizuna (Brassica rapa var. nipposinica) is a popular garden vegetable. In Nogales, Arizona, which is in USDA Hardiness Zone 8b, you should direct sow seeds around Sunday, February 15, 2026.

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