Root Vegetable

When to Plant Carrots in Utah

Patience is the secret ingredient. Carrots are slow to germinate but deliver sweet, crunchy rewards.

The Short Answer

In Utah, soil conditions are an important factor for carrots. Alkaline desert soils. Low organic matter. Saline soils in some areas. Heavy amendment with compost and sulfur needed. Direct sow 3 weeks before your last frost date. Carrots can also be planted in fall, 10 weeks before your first frost.

Utah Frost Dates

Your planting dates depend on which part of Utah you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Wasatch Front (SLC) 6a, 6b, 7a Apr 20 - May 10 Oct 1 - Oct 20
Mountain Regions 4a, 4b, 5a May 25 - Jun 15 Aug 25 - Sep 15
Southern Utah 6b, 7a, 7b Apr 10 - May 1 Oct 10 - Nov 1

Carrots Planting Schedule for Utah

Wasatch Front (SLC) (Zones 6a, 6b, 7a)

Average last frost: Apr 20 - May 10 · Average first frost: Oct 1 - Oct 20

Direct Sow
3 wks before frost
Fall Planting
10 wks before first frost

Mountain Regions (Zones 4a, 4b, 5a)

Average last frost: May 25 - Jun 15 · Average first frost: Aug 25 - Sep 15

Direct Sow
3 wks before frost
Fall Planting
10 wks before first frost

Southern Utah (Zones 6b, 7a, 7b)

Average last frost: Apr 10 - May 1 · Average first frost: Oct 10 - Nov 1

Direct Sow
3 wks before frost
Fall Planting
10 wks before first frost

Growing Carrots in Utah

Carrots in Utah's Climate

Carrots are a cool-season crop in warm climates — sow from September through February and harvest before spring heat makes them tough and bitter. Your mild winter temperatures produce sweet, tender roots without any frost protection. Sandy soils common in the Southeast grow beautiful, straight carrots naturally.

Soil Considerations for Utah

Alkaline desert soils. Low organic matter. Saline soils in some areas. Heavy amendment with compost and sulfur needed. Loose, well-drained soil is especially important for carrots since the edible portion grows underground. If your soil is heavy clay, consider raised beds.

Utah Climate & Growing Season

Arid climate. Intense sun. Low humidity. Wide temperature swings. Irrigation essential everywhere.

Growing season length varies across Utah: Wasatch Front (SLC) (6a, 6b, 7a) has a last frost around Apr 20 - May 10, while Southern Utah (6b, 7a, 7b) sees frost end around Apr 10 - May 1. This difference matters for carrots — adjust your planting dates to match your specific region.

Growing Tips

Loose, sandy soil is ideal. Rocky or clay soil causes forked roots. Keep soil consistently moist until seeds germinate.

Companion Planting

Plant carrots alongside these companions for better growth:

Peas Lettuce Tomatoes Onions

Keep carrots away from:

Dill

The Bottom Line

Carrots can be grown successfully across Utah, but your exact planting dates depend on which region you're in. Wasatch Front (SLC) gardeners should plan around a Apr 20 - May 10 last frost, while those in Southern Utah can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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