SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Red Gem in Zone 4a

Family: Asteraceae Flower

Planting Schedule

Add Red Gem to your garden to build a schedule and get reminders.

Get the exact Zone 4a timeline for your Red Gem. See localized frost dates, indoor sowing windows, and optimal companions below.

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

Explore Red Gem Data
Botanical illustration of Red Gem

Crop Dates : 4a

MilestoneDate
Start IndoorsApr 3rd
Last FrostMay 15th
Transplant / Sow OutdoorsJul 10th
Harvest BeginsSep 8th
Harvest EndsSep 24th