When to Plant Blackberry in Los Angeles, California (90021)
Location
Los Angeles, California
ZIP Code
90021
USDA Zone
10b
Last Frost
Friday, January 15, 2027
📅 Planting Calendar
Direct Sow Outdoors Friday, December 18, 2026
Pro Tip: Blackberry can be directly sown outdoors. Plant 4 weeks before your last frost date.
🌿 Plant Details
Scientific Name Rubus fruticosus
Days to Maturity 365 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
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Growing Blackberry in Zone 10b
Blackberry (Rubus fruticosus) is a popular garden vegetable. In Los Angeles, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Friday, December 18, 2026.
Your average last frost date is Friday, January 15, 2027. Blackberry grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.