When to Plant Tomatillo in Dover, Delaware (19905)

Location

Dover, Delaware

ZIP Code

19905

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, February 22, 2026

Transplant Outdoors Sunday, April 19, 2026

Pro Tip: Start Tomatillo seeds indoors 6 weeks before your last frost date, then transplant outdoors around Sunday, April 19, 2026.

🌿 Plant Details

Scientific Name Physalis philadelphica

Days to Maturity 75 days

Mature Height 36-60"

Spread 24"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

24" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Tomatillo in Dover?

Get your seeds now so they're ready by Sunday, February 22, 2026.

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🤝 Good Companions

BasilCarrotMarigoldPepper

⚠️ Avoid Planting Near

FennelBrassicas

Other Plants for Dover

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Growing Tomatillo in Zone 7b

Tomatillo (Physalis philadelphica) is a popular garden vegetable. In Dover, Delaware, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, February 22, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Tomatillo seedlings outdoors around Sunday, April 19, 2026, about 2 weeks after your last frost date.