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When to Plant Grape Tomato in South El Monte, California (91733)

Location

South El Monte, California

ZIP Code

91733

USDA Zone

10b

Last Frost

Friday, January 15, 2027

📅 Planting Calendar

Start Seeds Indoors Friday, December 4, 2026
Transplant Outdoors Friday, January 29, 2027

Pro Tip: Start Grape Tomato seeds indoors 6 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Solanum lycopersicum
Days to Maturity 65 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Growing Grape Tomato in Zone 10b

Grape Tomato (Solanum lycopersicum) is a popular garden vegetable. In South El Monte, California, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Friday, December 4, 2026.

Your average last frost date is Friday, January 15, 2027. Plan to transplant your Grape Tomato seedlings outdoors around Friday, January 29, 2027, about 2 weeks after your last frost date.