Bield:Farm
State agricultural overview

Alaska crop calendar.

Zone 4aRange 1a to 7a105-day seasonLast frost May 25First frost September 5

13 primary crops with planting windows for Alaska. Calendar timing is anchored to 4a dominant hardiness zone and a 105-day growing season — verify against University of Alaska Cooperative Extension Service for variety- and county-specific guidance.

Row Crop · Alaska

Vegetables · Alaska

  • Cucumbers
    primary
    Spring: June 8 – July 13
  • Peppers
    primary
    Spring: June 15 – July 6
  • Potatoes
    primary
    Spring: May 11 – June 1
    Fall: June 22 – July 7
  • Pumpkins
    primary
    Spring: June 15 – July 13
  • Sweet Corn
    primary
    Spring: May 25 – June 29
  • Tomatoes
    primary
    Spring: June 8 – June 29

Forages · Alaska

  • Alfalfa
    primary
    Spring: May 18 – June 15
    Fall: July 7 – July 22
  • Clover
    primary
    Spring: May 4 – June 1
    Fall: July 7 – July 22

Cover Crops · Alaska

  • Brassicas
    primary
    Fall: June 22 – July 7
  • Buckwheat
    primary
    Spring: July 20 – August 17
  • Cereal Oats
    primary
    Spring: May 18 – June 15
    Fall: July 7 – July 22
  • Winter Rye
    primary
    Fall: August 29 – September 19

Frost-date reference — Alaska

Last frost (spring)
May 25
First frost (fall)
September 5
Growing season
105 days
Hardiness zone
4a

Frost dates are NOAA / NCDC climate normals — county-level variation can shift these by 2–4 weeks. The Alaska extension service publishes county-specific frost data: University of Alaska Cooperative Extension Service.

Alaska soil-temp alerts.

Bield: Farm ties weather and soil-temperature stations in your county to crop planting thresholds — get notified the day soil temp clears the threshold for your target.

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