Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Buffalo, WY, based on the USDA Hardiness Zone 5a.
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Buffalo, WY Frost Dates & Growing Season
Last Spring Frost Date for Buffalo, WY
The average last frost date in spring for Buffalo is May 24th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until June 7th 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 Buffalo, WY
The average first frost date in fall for Buffalo 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 Buffalo, WY
Based on historical frost data, the estimated growing season length in Buffalo is approximately 119 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.
Buffalo, WY Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Buffalo, WY Monthly Planting Recommendations
March
In March, recommended activities include starting Geranium seeds indoors (from March 15th to March 29th), starting Tomatillo seeds indoors (from March 29th to April 12th), and starting Cauliflower seeds indoors (from March 29th to April 12th).
April
In April, recommended activities include direct sowing Pea (from April 12th to April 26th), starting Brussel Sprout seeds indoors (from April 12th to April 26th), and starting Marigold seeds indoors (from April 12th to April 26th).
May
In May, recommended activities include direct sowing Gladiolus (from May 24th to June 7th), direct sowing Carrot (from May 3rd to May 17th), starting Pumpkin seeds indoors (from May 3rd to May 10th), and direct sowing Pumpkin (from May 31st to June 14th).
June
In June, recommended activities include direct sowing Melon (from June 7th to June 21st), direct sowing Lima Bean (from June 7th to June 21st), and direct sowing Butterfly Pea (from June 7th to June 21st).