Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Kingsport, TN, based on the USDA Hardiness Zone 7a.
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Kingsport, TN Frost Dates & Growing Season
Last Spring Frost Date for Kingsport, TN
The average last frost date in spring for Kingsport is April 21st. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 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 Kingsport, TN
The average first frost date in fall for Kingsport is October 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 Kingsport, TN
Based on historical frost data, the estimated growing season length in Kingsport is approximately 182 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.
Kingsport, TN Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Kingsport, TN Monthly Planting Recommendations
February
In February, recommended activities include starting Stevia seeds indoors (from February 24th to March 10th), starting French Lavender seeds indoors (from February 10th to February 24th), and starting Celery seeds indoors (from February 10th to February 24th).
March
In March, recommended activities include direct sowing Sweet Pea (from March 24th to April 7th), direct sowing Carrot (from March 31st to April 14th), and starting Basil seeds indoors (from March 10th to March 24th).
April
In April, recommended activities include direct sowing Lemon Balm (from April 21st to May 5th), direct sowing Cosmos (from April 28th to May 5th), and direct sowing Hyssop (from April 7th to April 21st).
May
In May, recommended activities include direct sowing Melon (from May 5th to May 19th), direct sowing Black Bean (from May 5th to May 19th), and direct sowing Butterfly Pea (from May 5th to May 19th).