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When to Plant Cosmic Purple in Zone 4b

Family: Apiaceae Root Vegetable
Zone 4b 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 4b planting schedule, frost dates, and recommended companion crops.

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Read Botanical Guide
Botanical illustration of Cosmic Purple

Crop Dates : 4b

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 13th
Transplant / Sow OutdoorsMay 13th
Harvest BeginsJul 27th
Harvest EndsSep 27th

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

Red Baron Onion
View Guide →
King Richard Leek
View Guide →
Kokusai Chives
View Guide →
Killarney Red Garlic
View Guide →
Redwing F1 Onion
View Guide →
Blue Solaise Leek
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.