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When to Plant Tomatillo in Zone 12A

USDA Zone

12A

Cities Covered

25

Avg Last Frost

Friday, January 1, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 12A

Start Seeds Indoors Friday, November 20, 2026
Transplant Outdoors Friday, January 15, 2027

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

🌿 Plant Details

Scientific Name Physalis philadelphica
Days to Maturity 75 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 24" apart

🤝 Companion Plants for Tomatillo

Good Companions

BasilCarrotMarigoldPepper

Avoid Planting Near

FennelBrassicas
See the full companion planting guide for Tomatillo →

Cities in Zone 12A

Other Plants for Zone 12A

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Growing Tomatillo in USDA Zone 12A

Tomatillo (Physalis philadelphica) grows well in USDA Hardiness Zone 12A. This zone includes cities like Aiea, Anahola, Haiku and 22 more.

The average last frost date for Zone 12A is around Friday, January 1, 2027. For best results, start your Tomatillo seeds indoors around Friday, November 20, 2026, then transplant outdoors around Friday, January 15, 2027.

Expect to harvest your Tomatillo approximately 75 days after planting.