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When to Plant Petunia in Zone 2B

USDA Zone

2B

Cities Covered

16

Avg Last Frost

Friday, May 28, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 2B

Start Seeds Indoors Friday, March 19, 2027
Transplant Outdoors Friday, June 11, 2027

Pro Tip: Start Petunia seeds indoors 10 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Petunia × hybrida
Days to Maturity 75 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 12" apart

🤝 Companion Plants for Petunia

Good Companions

TomatoBasilMarigold

Avoid Planting Near

Fennel
See the full companion planting guide for Petunia →

Cities in Zone 2B

Other Plants for Zone 2B

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Growing Petunia in USDA Zone 2B

Petunia (Petunia × hybrida) grows well in USDA Hardiness Zone 2B. This zone includes cities like Gakona, Glennallen, Mc Grath and 13 more.

The average last frost date for Zone 2B is around Friday, May 28, 2027. For best results, start your Petunia seeds indoors around Friday, March 19, 2027, then transplant outdoors around Friday, June 11, 2027.

Expect to harvest your Petunia approximately 75 days after planting.