SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Sunflower in Zone 2a

Family: Asteraceae Oilseed and ornamental annual

Planting Schedule

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

Plan your Sunflower harvest with precision. Below is the exact Zone 2a planting schedule, frost dates, and recommended companion crops.

Looking for comprehensive growing guides, pest control, and watering schedules?

Read Botanical Guide
Botanical illustration of Sunflower

Crop Dates : 2a

MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 25th
Transplant / Sow OutdoorsMay 25th
Harvest BeginsAug 3rd
Harvest EndsAug 29th