SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Petunia in Zone 1a

Family: Solanaceae Garden Petunia

Planting Schedule

Add Petunia to your garden to build a schedule and get reminders.

Get the exact Zone 1a timeline for your Petunia. See localized frost dates, indoor sowing windows, and optimal companions below.

Need deeper agronomic data, pest profiles, and optimal flavor pairings?

Explore Petunia Data
Botanical illustration of Petunia

Crop Dates : 1a

Growing note: Zone 1a has only 30 frost-free days — shorter than this crop's 70-day maturity. Outdoor planting is not viable; use protected cultivation.
MilestoneDate
Last FrostJun 15th
Growing ApproachProtected Environment Only