🌱 MyLocalPlanting

When to Plant Cauliflower in Lake In The Hills, Illinois (60156)

Location

Lake In The Hills, Illinois

ZIP Code

60156

USDA Zone

5b

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Direct Sow Outdoors Saturday, March 14, 2026

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

🌿 Plant Details

Scientific Name Brassica oleracea
Days to Maturity 75 days
Mature Height 18-24"
Spread 24"
Type Head
Fruit Size Medium (6-8 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 4-10 days

🤝 Good Companions

BeetCeleryBeanOnion

⚠️ Avoid Planting Near

StrawberryTomato

Other Plants for Lake In The Hills

Growing Cauliflower in Zone 5b

Cauliflower (Brassica oleracea) is a popular garden vegetable. In Lake In The Hills, Illinois, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, March 14, 2026.

Your average last frost date is Saturday, April 25, 2026. Cauliflower grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.