SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Harmonie in Zone 4a

Family: Cucurbitaceae Vegetable

Planting Schedule

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

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

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Explore Harmonie Data
Botanical illustration of Harmonie

Crop Dates : 4a

MilestoneDate
Start IndoorsMay 29th
Last FrostMay 15th
Transplant / Sow OutdoorsJun 12th
Harvest BeginsAug 6th
Harvest EndsSep 24th