SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Flat Dutch in Zone 3b

Family: Brassicaceae Brassica

Planting Schedule

Add Flat Dutch to your garden to build a schedule and get reminders.

Get the exact Zone 3b timeline for your Flat Dutch. See localized frost dates, indoor sowing windows, and optimal companions below.

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Explore Flat Dutch Data
Botanical illustration of Flat Dutch

Crop Dates : 3b

MilestoneDate
Start IndoorsApr 21st
Last FrostMay 19th
Transplant / Sow OutdoorsMay 19th
Harvest BeginsAug 27th
Harvest EndsSep 21st