Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Alton, UT, based on the USDA Hardiness Zone 6b.
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Alton, UT Frost Dates & Growing Season
Last Spring Frost Date for Alton, UT
The average last frost date in spring for Alton is June 7th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 21st 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 Alton, UT
The average first frost date in fall for Alton is October 1st. 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 Alton, UT
Based on historical frost data, the estimated growing season length in Alton is approximately 116 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.
Alton, UT Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Alton, UT Monthly Planting Recommendations
March
In March, recommended activities include starting Petunia seeds indoors (from March 29th to April 12th), starting French Lavender seeds indoors (from March 29th to April 12th), and starting Geranium seeds indoors (from March 29th to April 12th).
April
In April, recommended activities include starting Kale seeds indoors (from April 26th to May 10th), starting Pepper seeds indoors (from April 12th to April 26th), and starting Cabbage seeds indoors (from April 12th to April 26th).
May
In May, recommended activities include direct sowing Beet (from May 24th to June 7th), direct sowing Fennel (from May 24th to June 7th), and direct sowing Hyssop (from May 24th to June 7th).
June
In June, recommended activities include direct sowing Morning Glory (from June 14th to June 28th), direct sowing Okra (from June 21st to July 5th), and direct sowing Butterfly Pea (from June 21st to July 5th).