When to Plant Rhubarb in Pico Rivera, California (90660)
Location
Pico Rivera, California
ZIP Code
90660
USDA Zone
10b
Last Frost
Friday, January 15, 2027
📅 Planting Calendar
Start Seeds Indoors Friday, November 20, 2026
Transplant Outdoors Friday, January 29, 2027
Pro Tip: Start Rhubarb seeds indoors 8 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Rheum rhabarbarum
Days to Maturity 7 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 8-21 days
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Growing Rhubarb in Zone 10b
Rhubarb (Rheum rhabarbarum) is a popular garden vegetable. In Pico Rivera, California, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Friday, November 20, 2026.
Your average last frost date is Friday, January 15, 2027. Plan to transplant your Rhubarb seedlings outdoors around Friday, January 29, 2027, about 2 weeks after your last frost date.