Cosmic Purple

Carrot

Zone 12a Save Garden

🌱 75d to harvest Taproot

Sink your senses into Cosmic Purple’s velvety, inky purple shoulders that glow like starlight above a crisp, sweet core. This Dan…

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Jan 1st
Transplant / Sow Outdoors	Jan 1st
Harvest Begins	Mar 17th
Harvest Ends	Dec 31st

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Taproot
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	55
Min Soil Temp (°F)	45
Min Night Temp (°F)	28
Harden Off (days)	Not Required

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Frequently Asked Questions

What pest or disease issue commonly affects Daucus carota (carrots), and how can I control it?

Carrots are frequently hit by carrot fly (adult flies lay eggs near the crown; larvae tunnel into roots). Use row covers over the crop once seedlings emerge, remove weeds/grass that hide flies, and avoid leaving disturbed soil with exposed crowns; if damage appears, pull and destroy affected plants to reduce larval spread. Alternaria leaf blight can also show as dark, spotting lesions—improve airflow with correct spacing and water at soil level, not on the foliage.

How often should I water Daucus carota during the main growing phase to get straight, healthy roots?

During the active bulking period, keep the top 6–8 in (15–20 cm) of soil consistently moist but not waterlogged—typically about 1 inch (2.5 cm) per week total, adjusted for rainfall and heat. Water deeply after the soil surface begins to dry slightly, and avoid letting the soil swing from very dry to very wet, which can cause root cracking. Mulch lightly once seedlings are established to stabilize moisture.

How do I know when my Cosmic Purple carrots are ready to harvest?

Start checking around 70–75 days; the shoulders should be clearly visible above the soil line and feel firm when you gently brush soil away. For the best color and tenderness, harvest before roots get overly large—pull one as a test and cut it to confirm the purple outer area has developed through the root. If tops are wilting excessively in heat, harvest promptly to prevent woody roots.

Sink your senses into Cosmic Purple’s velvety, inky purple shoulders that glow like starlight above a crisp, sweet core. This Danvers-style carrot forms a classic tapered silhouette with a smooth, fine-grained texture—tender when young, richly flavored at maturity. Grow it for bold color in fresh salads and vibrant roasted trays, or for deep-toned sauces and pickles that showcase its dramatic purple-to-orange transformation.

Sowing Tips

Transplant Conditions

Wait until soil reaches 45°F and nights stay above 28°F before moving outdoors.

Expert Note

Direct-sow Cosmic Purple carrot seeds after your soil is workable, keep the bed evenly moist until germination, and thin early for straight, well-filled roots.