🌱 MyLocalPlanting

When to Plant Cauliflower in Chula Vista, California (91921)

Location

Chula Vista, California

ZIP Code

91921

USDA Zone

10b

Last Frost

Friday, January 15, 2027

📅 Planting Calendar

Direct Sow Outdoors Friday, December 4, 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 Chula Vista

Growing Cauliflower in Zone 10b

Cauliflower (Brassica oleracea) is a popular garden vegetable. In Chula Vista, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Friday, December 4, 2026.

Your average last frost date is Friday, January 15, 2027. Cauliflower grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.