Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Summit, UT, based on the USDA Hardiness Zone 6b.
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Summit, UT Frost Dates & Growing Season
Last Spring Frost Date for Summit, UT
The average last frost date in spring for Summit is May 27th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 10th 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 Summit, UT
The average first frost date in fall for Summit is September 25th. 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 Summit, UT
Based on historical frost data, the estimated growing season length in Summit is approximately 121 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.
Summit, UT Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Summit, UT Monthly Planting Recommendations
March
In March, recommended activities include starting Geranium seeds indoors (from March 18th to April 1st), starting Pansy seeds indoors (from March 18th to April 1st), and starting Petunia seeds indoors (from March 18th to April 1st).
April
In April, recommended activities include direct sowing Sorrel (from April 29th to May 13th), starting Cauliflower seeds indoors (from April 1st to April 15th), and starting Stevia seeds indoors (from April 1st to April 15th).
May
In May, recommended activities include direct sowing Fenugreek (from May 27th to June 10th), starting Pumpkin seeds indoors (from May 6th to May 13th), and direct sowing Fennel (from May 13th to May 27th).
June
In June, recommended activities include direct sowing Pumpkin (from June 3rd to June 17th), direct sowing Melon (from June 10th to June 24th), and direct sowing Runner Bean (from June 3rd to June 17th).