When to Plant Zucchini in Los Angeles, California (90021)
Location
Los Angeles, California
ZIP Code
90021
USDA Zone
10b
Last Frost
Friday, January 15, 2027
📅 Planting Calendar
Start Seeds Indoors Friday, December 18, 2026
Transplant Outdoors Friday, January 29, 2027
Pro Tip: Start Zucchini seeds indoors 4 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Cucurbita pepo
Days to Maturity 50 days
Mature Height 24-36"
Spread 48"
Type Bush
Fruit Size Medium (6-8 inches)
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Regular (1-2 inches/week)
↔️
Spacing
36" apart
🌱
Planting Depth
1" deep
Seeds typically germinate in 7-14 days
🤝 Good Companions
CornBeansNasturtiumMarigold
⚠️ Avoid Planting Near
Potato
Other Plants for Los Angeles
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Growing Zucchini in Zone 10b
Zucchini (Cucurbita pepo) is a popular garden vegetable. In Los Angeles, California, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Friday, December 18, 2026.
Your average last frost date is Friday, January 15, 2027. Plan to transplant your Zucchini seedlings outdoors around Friday, January 29, 2027, about 2 weeks after your last frost date.