Root Vegetable

When to Plant Carrots in Alaska

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

The Short Answer

In Alaska, soil conditions are an important factor for carrots. Varies widely. Interior has permafrost challenges. Raised beds essential for warming soil. Highly acidic soils common. Direct sow 3 weeks before your last frost date. Carrots can also be planted in fall, 10 weeks before your first frost.

Alaska Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Interior Alaska 1a, 2a, 2b May 15 - Jun 1 Aug 20 - Sep 10
Southcentral Alaska 3b, 4a, 4b May 1 - May 20 Sep 10 - Sep 25
Southeast Alaska 5a, 5b, 6a Apr 15 - May 5 Sep 25 - Oct 15

Carrots Planting Schedule for Alaska

Interior Alaska (Zones 1a, 2a, 2b)

Average last frost: May 15 - Jun 1 · Average first frost: Aug 20 - Sep 10

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

Southcentral Alaska (Zones 3b, 4a, 4b)

Average last frost: May 1 - May 20 · Average first frost: Sep 10 - Sep 25

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

Southeast Alaska (Zones 5a, 5b, 6a)

Average last frost: Apr 15 - May 5 · Average first frost: Sep 25 - Oct 15

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

Growing Carrots in Alaska

Carrots in Alaska's Climate

Your cold climate grows outstanding carrots — the sandy soils of northern states warm quickly in spring and the cool fall weather concentrates sugars beautifully. Direct sow from mid-April and succession plant every 3 weeks through mid-July. Fall-sown carrots left in the ground under heavy mulch can be harvested fresh through winter — the soil keeps them crisp while the cold keeps them sweet. This is one crop where cold climates have a genuine advantage.

Soil Considerations for Alaska

Varies widely. Interior has permafrost challenges. Raised beds essential for warming soil. Highly acidic soils common. Loose, well-drained soil is especially important for carrots since the edible portion grows underground. If your soil is heavy clay, consider raised beds.

Alaska Climate & Growing Season

Extreme daylight variation. Summer days of 18-24 hours of sunlight accelerate growth. Very short growing season in interior.

Growing season length varies across Alaska: Interior Alaska (1a, 2a, 2b) has a last frost around May 15 - Jun 1, while Southeast Alaska (5a, 5b, 6a) sees frost end around Apr 15 - May 5. 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 Alaska, but your exact planting dates depend on which region you're in. Interior Alaska gardeners should plan around a May 15 - Jun 1 last frost, while those in Southeast Alaska can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Carrots Growing Guide National planting guide with all states Alaska Planting Calendar All plants for Alaska Carrots in Alabama Alabama planting dates Carrots in Arizona Arizona planting dates Carrots in Arkansas Arkansas planting dates
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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