When to Plant Tomatillo in Gladstone, Oregon (97027)

Location

Gladstone, Oregon

ZIP Code

97027

USDA Zone

Last Frost

Friday, February 20, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, January 9, 2026

Transplant Outdoors Friday, March 6, 2026

Pro Tip: Start Tomatillo seeds indoors 6 weeks before your last frost date, then transplant outdoors around Friday, March 6, 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 Gladstone?

Get your seeds now so they're ready by Friday, January 9, 2026.

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🤝 Good Companions

BasilCarrotMarigoldPepper

⚠️ Avoid Planting Near

FennelBrassicas

Other Plants for Gladstone

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Growing Tomatillo in Zone 9a

Tomatillo (Physalis philadelphica) is a popular garden vegetable. In Gladstone, Oregon, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, January 9, 2026.

Your average last frost date is Friday, February 20, 2026. Plan to transplant your Tomatillo seedlings outdoors around Friday, March 6, 2026, about 2 weeks after your last frost date.