Cool-Season Vegetable

When to Plant Lettuce in Alaska

Fast-growing and forgiving. Plant in spring and fall for a nearly year-round supply of fresh salad greens.

The Short Answer

Lettuce are cold-tolerant and do well in Alaska's varied climate. You can direct sow 4 weeks before your last frost — that's as early as May 15 - Jun 1 in Interior Alaska. Alaska gardeners can also plant a fall crop. Varies widely. Interior has permafrost challenges. Raised beds essential for warming soil. Highly...

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

Lettuce Planting Schedule for Alaska

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

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

Start Seeds Indoors
4 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
8 wks before first frost

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

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

Start Seeds Indoors
4 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
8 wks before first frost

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

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

Start Seeds Indoors
4 wks before frost
Transplant Outside
2 wks before frost
Direct Sow
4 wks before frost
Fall Planting
8 wks before first frost

Growing Lettuce in Alaska

Lettuce in Alaska's Climate

Your cool climate is actually excellent for lettuce — the crop thrives in 55-70°F conditions that you have for months. Direct sow as soon as soil thaws in spring and continue harvesting well into summer because your moderate temperatures delay bolting far longer than in southern states. Fall lettuce is equally productive. In the coldest zones, cold frames extend harvest into December.

Soil Considerations for Alaska

Varies widely. Interior has permafrost challenges. Raised beds essential for warming soil. Highly acidic soils common.

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 lettuce — adjust your planting dates to match your specific region.

Growing Tips

Succession plant every 2-3 weeks for continuous harvest. Shade cloth extends the season into warmer months.

Companion Planting

Plant lettuce alongside these companions for better growth:

Carrots Radishes Strawberries Chives

The Bottom Line

Lettuce 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

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