Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Belle fourche, SD, based on the USDA Hardiness Zone 5a.
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Belle fourche, SD Frost Dates & Growing Season
Last Spring Frost Date for Belle fourche, SD
The average last frost date in spring for Belle fourche is May 13th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 27th 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 Belle fourche, SD
The average first frost date in fall for Belle fourche 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 Belle fourche, SD
Based on historical frost data, the estimated growing season length in Belle fourche is approximately 135 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.
Belle fourche, SD Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Belle fourche, SD Monthly Planting Recommendations
March
In March, recommended activities include starting Geranium seeds indoors (from March 4th to March 18th), starting Statice seeds indoors (from March 18th to April 1st), and starting French Lavender seeds indoors (from March 4th to March 18th).
April
In April, recommended activities include starting Marigold seeds indoors (from April 1st to April 15th), direct sowing Beet (from April 29th to May 13th), and direct sowing Alyssum (from April 29th to May 13th).
May
In May, recommended activities include direct sowing Runner Bean (from May 20th to June 3rd), direct sowing Black Bean (from May 27th to June 10th), and direct sowing Butterfly Pea (from May 27th to June 10th).