Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Upton, WY, based on the USDA Hardiness Zone 5a.
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Upton, WY Frost Dates & Growing Season
Last Spring Frost Date for Upton, WY
The average last frost date in spring for Upton is May 22nd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 5th 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 Upton, WY
The average first frost date in fall for Upton is September 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 Upton, WY
Based on historical frost data, the estimated growing season length in Upton 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.
Upton, WY Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Upton, WY Monthly Planting Recommendations
March
In March, recommended activities include starting Statice seeds indoors (from March 27th to April 10th), starting Begonia seeds indoors (from March 13th to March 27th), and starting Pansy seeds indoors (from March 13th to March 27th).
April
In April, recommended activities include direct sowing Arugula (from April 24th to May 8th), direct sowing Sweet Pea (from April 24th to May 8th), and starting Cantaloupe seeds indoors (from April 24th to May 8th).
May
In May, recommended activities include direct sowing Calendula (from May 8th to May 22nd), direct sowing Fennel (from May 8th to May 22nd), and direct sowing Lemon Balm (from May 22nd to June 5th).
June
In June, recommended activities include direct sowing Melon (from June 5th to June 19th), direct sowing Watermelon (from June 5th to June 19th), and direct sowing Okra (from June 5th to June 19th).