SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Petunia in Zone 3a

Family: Solanaceae Garden Petunia

Planting Schedule

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

Your Zone 3a Petunia cheat sheet. All the dates and companions you need to get seeds in the ground successfully

Want the complete botanical breakdown and expert growing tips?

View Petunia Guide
Botanical illustration of Petunia

Crop Dates : 3a

MilestoneDate
Start IndoorsMar 6th
Last FrostMay 15th
Transplant / Sow OutdoorsMay 1st
Harvest BeginsJul 10th
Harvest EndsSep 1st