Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Sioux falls, SD, based on the USDA Hardiness Zone 5a.
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Sioux falls, SD Frost Dates & Growing Season
Last Spring Frost Date for Sioux falls, SD
The average last frost date in spring for Sioux falls is May 4th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 18th 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 Sioux falls, SD
The average first frost date in fall for Sioux falls is October 6th. 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 Sioux falls, SD
Based on historical frost data, the estimated growing season length in Sioux falls is approximately 155 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.
Sioux falls, SD Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Sioux falls, SD Monthly Planting Recommendations
February
In February, recommended activities include starting Snapdragon seeds indoors (from February 23rd to March 9th), starting Leek seeds indoors (from February 23rd to March 9th), and starting Begonia seeds indoors (from February 23rd to March 9th).
March
In March, recommended activities include starting Cauliflower seeds indoors (from March 9th to March 23rd), starting Coneflower seeds indoors (from March 9th to March 23rd), and starting Moonflower seeds indoors (from March 23rd to April 6th).
April
In April, recommended activities include direct sowing Flax (from April 6th to April 20th), direct sowing Quinoa (from April 20th to May 4th), and direct sowing Alfalfa (from April 6th to April 20th).
May
In May, recommended activities include direct sowing Butternut Squash (from May 11th to May 25th), direct sowing Cantaloupe (from May 11th to May 25th), and direct sowing Fenugreek (from May 4th to May 18th).