Carrots planting calendar for USDA Zone 9a

Gainesville FL, Houston, New Orleans, southern GA coast. Average last spring frost February 25, first fall frost December 1 — a 279-day frost-free season.

Zone fit: good
Cool-season crops bolt fast under Zone 9a heat. Prioritize the fall planting window and use shade cloth for any spring succession.

Key dates

Direct-seed outdoors
January 28 – February 18
Expected first harvest
April 15 – May 13
Fall planting window
September 1 – September 22
Fall harvest window
November 17 – December 15

Windows are calculated from your zone's average frost dates. Adjust ±1 week for microclimates, elevation, and your own frost records.

Spacing and soil

Plant spacing
3″
Row spacing
12″
Seed depth
0.25″
Soil temperature
45–75°F
Frost tolerance
hardy
Days to harvest
70 days

Grower notes for Zone 9a

Keep soil surface moist until germination (2–3 weeks). Board over the row or light straw helps hold moisture.

Plant near: onions, leeks, tomatoes

Keep away from: dill

Other root crops for Zone 9a

Same crop, other zones

Track your own plantings

BAU Farm Intelligence turns these windows into per-field tasks — indoor seed-start reminders, transplant dates, harvest projections — using your farm's actual frost history.