SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Marigold in Zone 3b

Family: Asteraceae Flowering annual

Planting Schedule

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

Your Zone 3b Marigold 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 Marigold Guide
Botanical illustration of Marigold

Crop Dates : 3b

MilestoneDate
Start IndoorsApr 21st
Last FrostMay 19th
Transplant / Sow OutdoorsMay 19th
Harvest BeginsJul 8th
Harvest EndsSep 21st