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When to Plant Cosmic Purple in Zone 4a

Family: Apiaceae Root Vegetable
Zone 4a Save Garden

Planting Schedule

Add Cosmic Purple to your garden to build a schedule and get reminders.

Plan your Cosmic Purple harvest with precision. Below is the exact Zone 4a planting schedule, frost dates, and recommended companion crops.

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Read Botanical Guide
Botanical illustration of Cosmic Purple

Crop Dates : 4a

Growing note: This crop establishes over multiple seasons (~75 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.
MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 15th
Transplant / Sow OutdoorsMay 15th
Harvest BeginsJul 29th
Harvest EndsSep 24th

Garden Alerts

This crop establishes over multiple seasons (~75 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.

Recommended Companions

Granex Yellow Onion
View Guide →
Lancelot Leek
View Guide →
Common Chives Chives
View Guide →
German Red Garlic
View Guide →
Red Creole Onion
View Guide →
Persian Star Garlic
View Guide →

Garden Alerts

This crop establishes over multiple seasons (~75 days / ~1 year to first harvest). Plant on the frost schedule; first harvest follows establishment, not a single frost-free season.