SproutSmart
SproutSmart Intelligent Garden Sowing

Napa

Carrot
Botanical illustration of Napa
🌱 75d to harvest Rosette

Sweetly fragrant and richly colored, ‘Napa’ Nantes carrots unfurl into a smooth, tender core with a classic, gently tapered silho…

Planting Schedule

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

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostJan 1st
Transplant / Sow OutdoorsJan 1st
Harvest BeginsMar 17th
Harvest Ends

Crop Details

TraitValue
Days to Maturity75
Sun RequirementsFull SunFull sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)45
Min Night Temp (°F)28
Harden Off (days)Not Required

Frequently Asked Questions


What pest or disease commonly affects Daucus carota var. sativus (Napa-style carrot) and how can I manage it?
Carrot rust fly is a common problem, causing tunneled roots and wilting; control it by covering beds with fine insect netting from just after thinning until harvest. If you see leaf spots or early blight-like spotting, remove badly affected tops and avoid overhead watering, since Apiaceae foliage stays wetter longer. Rotate away from Apiaceae crops for at least 3 years to reduce carryover of soil-borne issues.
How often should I water Daucus carota var. sativus during the main growing phase to keep roots forming properly?
During the main root-forming phase (about weeks 3–8 after sowing), keep the top 2–4 in (5–10 cm) of soil consistently evenly moist—typically about 1 in (2.5 cm) per week total depending on rainfall and heat. Water deeply rather than frequently to encourage steady root growth, and stop heavy watering near harvest to reduce cracking.
How do I tell when Daucus carota var. sativus is ready to harvest?
Harvest when the roots reach the expected size for your seed packet—most Daucus carota var. sativus crops are ready around 75 days from sowing. Check by gently pulling one plant; the shoulders should be well-filled and firm, with little to no hard woody core near the center.
Botanical illustration of Napa

Sweetly fragrant and richly colored, ‘Napa’ Nantes carrots unfurl into a smooth, tender core with a classic, gently tapered silhouette. Their flavor is bright and pleasantly sweet, with a crisp, fine-grained texture that holds its charm from garden-fresh to roasted favorites. Ideal for cool-season growing, ‘Napa’ delivers dependable, uniform roots at about 75 days—an elegant addition to beds and a reliable performer for fresh bunches and vibrant salads.

Sowing Tips

Transplant Conditions

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

Expert Note

Sow Nantes-type carrots directly where they’ll grow, keep the seedbed consistently moist until germination, and thin early for straight, uniform roots.