SproutSmart
SproutSmart™ Intelligent Garden Sowing

When to Plant Cosmic Purple in Zone 9a

Family: Apiaceae Root Vegetable
Zone 9a Save Garden

Planting Schedule

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

Get the exact Zone 9a timeline for your Cosmic Purple. See localized frost dates, indoor sowing windows, and optimal companions below.

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Botanical illustration of Cosmic Purple

Crop Dates : 9a

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 FrostMar 6th
Transplant / Sow OutdoorsMar 6th
Harvest BeginsMay 20th
Harvest EndsNov 26th

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

Redwing Onion
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King Richard Leek
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Common Chives Chives
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Spanish Roja Garlic
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Red Long Of Tropea Onion
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Red Toch Garlic
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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.