When to Plant Broccoli Raab in Prescott, Wisconsin (54021)

Location

Prescott, Wisconsin

ZIP Code

54021

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Direct Sow Outdoors Tuesday, March 24, 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 Prescott?

Get your seeds now so they're ready by Tuesday, March 24, 2026.

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🤝 Good Companions

OnionBeetCelery

⚠️ Avoid Planting Near

TomatoPepperStrawberry

Other Plants for Prescott

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Growing Broccoli Raab in Zone 4b

Broccoli Raab (Brassica rapa subsp. rapa) is a popular garden vegetable. In Prescott, Wisconsin, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, March 24, 2026.

Your average last frost date is Tuesday, May 5, 2026. Broccoli Raab grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.