SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Mentor in Zone 4a

Family: Apiaceae Vegetable

Planting Schedule

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

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

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

Explore Mentor Data
Botanical illustration of Mentor

Crop Dates : 4a

MilestoneDate
Start IndoorsMar 6th
Last FrostMay 15th
Transplant / Sow OutdoorsMay 8th
Harvest BeginsAug 11th
Harvest EndsSep 24th