SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Cardinal in Zone 4a

Family: Lamiaceae Herb

Planting Schedule

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

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

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

Explore Cardinal Data
Botanical illustration of Cardinal

Crop Dates : 4a

MilestoneDate
Start IndoorsApr 24th
Last FrostMay 15th
Transplant / Sow OutdoorsJul 3rd
Harvest BeginsAug 17th
Harvest EndsSep 24th