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When to Plant Broccoli Raab in Caledonia, Minnesota (55921)

Location

Caledonia, Minnesota

ZIP Code

55921

USDA Zone

5a

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Sunday, March 29, 2026

Pro Tip: Sow Broccoli Raab directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica rapa subsp. rapa
Days to Maturity 60 days
Mature Height 12-24"
Spread 8"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Broccoli Raab in Caledonia?

Get your seeds now so they're ready by Sunday, March 29, 2026.

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🤝 Good Companions

OnionBeetCelery

⚠️ Avoid Planting Near

TomatoPepperStrawberry

Other Plants for Caledonia

Growing Broccoli Raab in Zone 5a

Broccoli Raab (Brassica rapa subsp. rapa) is a popular garden vegetable. In Caledonia, Minnesota, which is in USDA Hardiness Zone 5a, you should direct sow seeds around Sunday, March 29, 2026.

Your average last frost date is Sunday, May 10, 2026. Broccoli Raab grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.