🌱 MyLocalPlanting

When to Plant Broccoli in Rothsay, Minnesota (56579)

Location

Rothsay, Minnesota

ZIP Code

56579

USDA Zone

4a

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, April 3, 2026

Pro Tip: Broccoli can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica oleracea
Days to Maturity 60 days
Mature Height 18-30"
Spread 18"
Type Head
Fruit Size Medium (4-7 inch head)

☀️ Growing Requirements

☀️

Sun

Full Sun (6 hours)

💧

Water

Regular (1-1.5 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

🤝 Good Companions

BeetCeleryOnionPotatoDill

⚠️ Avoid Planting Near

TomatoStrawberryPepper

Other Plants for Rothsay

Growing Broccoli in Zone 4a

Broccoli (Brassica oleracea) is a popular garden vegetable. In Rothsay, Minnesota, which is in USDA Hardiness Zone 4a, you should direct sow seeds around Friday, April 3, 2026.

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