Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Powder river, WY, based on the USDA Hardiness Zone 5a.
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Powder river, WY Frost Dates & Growing Season
Last Spring Frost Date for Powder river, WY
The average last frost date in spring for Powder river is May 23rd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 6th 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 Powder river, WY
The average first frost date in fall for Powder river 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 Powder river, WY
Based on historical frost data, the estimated growing season length in Powder river is approximately 120 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.
Powder river, WY Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Powder river, WY Monthly Planting Recommendations
March
In March, recommended activities include starting Pepper seeds indoors (from March 28th to April 11th), starting Broccoli seeds indoors (from March 28th to April 11th), and starting Aubergine seeds indoors (from March 28th to April 11th).
April
In April, recommended activities include direct sowing Chervil (from April 25th to May 9th), direct sowing Potato (from April 25th to May 9th), and starting Cantaloupe seeds indoors (from April 25th to May 9th).
May
In May, recommended activities include direct sowing Zucchini (from May 30th to June 13th), starting Pumpkin seeds indoors (from May 2nd to May 9th), direct sowing Pumpkin (from May 30th to June 13th), and direct sowing Lemon Balm (from May 23rd to June 6th).
June
In June, recommended activities include direct sowing Chia (from June 6th to June 20th), direct sowing Butterfly Pea (from June 6th to June 20th), and direct sowing Corn (from June 6th to June 13th).