Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Old harbor, AK, based on the USDA Hardiness Zone 6b.
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Old harbor, AK Frost Dates & Growing Season
Last Spring Frost Date for Old harbor, AK
The average last frost date in spring for Old harbor is May 19th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 2nd before moving plants outdoors. Waiting these extra few weeks significantly reduces the risk of a late freeze damaging young transplants.
First Fall Frost Date for Old harbor, AK
The average first frost date in fall for Old harbor is October 20th. This date marks the approximate end of the growing season for tender plants. Gardeners should plan to harvest frost-sensitive vegetables or provide heavy protection (such as row covers) before this date to avoid crop loss.
Growing Season Length in Old harbor, AK
Based on historical frost data, the estimated growing season length in Old harbor is approximately 154 days. This duration determines which vegetable varieties have enough time to reach maturity before the winter cold sets in. Short-season varieties are recommended for crops that require a longer warm period.
Please note: These dates are climatological averages. Actual weather conditions vary by year. Always check the local 10-day forecast before planting.
Old harbor, AK Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Old harbor, AK Monthly Planting Recommendations
March
In March, recommended activities include starting Thyme seeds indoors (from March 24th to April 7th), starting Coleus seeds indoors (from March 24th to April 7th), and starting Pepper seeds indoors (from March 24th to April 7th).
April
In April, recommended activities include direct sowing Flax (from April 21st to May 5th), direct sowing Parsley (from April 21st to May 5th), and direct sowing Lettuce (from April 21st to May 5th).
May
In May, recommended activities include direct sowing Butternut Squash (from May 26th to June 9th), direct sowing Lemon Balm (from May 19th to June 2nd), and direct sowing Dill (from May 5th to May 19th).
June
In June, recommended activities include direct sowing Black Bean (from June 2nd to June 16th), direct sowing Melon (from June 2nd to June 16th), and direct sowing Watermelon (from June 2nd to June 16th).