Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Houston, AK, based on the USDA Hardiness Zone 4a.
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Houston, AK Frost Dates & Growing Season
Last Spring Frost Date for Houston, AK
The average last frost date in spring for Houston is May 30th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 13th 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 Houston, AK
The average first frost date in fall for Houston is September 10th. 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 Houston, AK
Based on historical frost data, the estimated growing season length in Houston is approximately 103 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.
Houston, AK Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Houston, AK Monthly Planting Recommendations
March
In March, recommended activities include starting Pansy seeds indoors (from March 21st to April 4th), starting Impatiens seeds indoors (from March 21st to April 4th), and starting Onion seeds indoors (from March 21st to April 4th).
April
In April, recommended activities include starting Kale seeds indoors (from April 18th to May 2nd), starting Cauliflower seeds indoors (from April 4th to April 18th), and starting Stevia seeds indoors (from April 4th to April 18th).
May
In May, recommended activities include direct sowing Quinoa (from May 16th to May 30th), direct sowing Flax (from May 2nd to May 16th), and starting Pumpkin seeds indoors (from May 9th to May 16th).
June
In June, recommended activities include direct sowing Zinnia (from June 6th to June 20th), direct sowing Okra (from June 13th to June 27th), and direct sowing Sunflower (from June 6th to June 20th).