Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Manhattan, KS, based on the USDA Hardiness Zone 6a.
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Manhattan, KS Frost Dates & Growing Season
Last Spring Frost Date for Manhattan, KS
The average last frost date in spring for Manhattan is April 24th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 8th 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 Manhattan, KS
The average first frost date in fall for Manhattan is October 15th. 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 Manhattan, KS
Based on historical frost data, the estimated growing season length in Manhattan is approximately 174 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.
Manhattan, KS Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Manhattan, KS Monthly Planting Recommendations
February
In February, recommended activities include starting Statice seeds indoors (from February 27th to March 13th), starting Broccoli seeds indoors (from February 27th to March 13th), and starting Coleus seeds indoors (from February 27th to March 13th).
March
In March, recommended activities include direct sowing Pea (from March 13th to March 27th), direct sowing Mustard (from March 27th to April 10th), starting Kale seeds indoors (from March 13th to March 27th), and direct sowing Kale (from March 27th to April 10th).
April
In April, recommended activities include starting Pumpkin seeds indoors (from April 3rd to April 10th), direct sowing Gladiolus (from April 24th to May 8th), and direct sowing Carrot (from April 3rd to April 17th).
May
In May, recommended activities include direct sowing Lima Bean (from May 8th to May 22nd), direct sowing Cosmos (from May 1st to May 8th), and direct sowing Nasturtium (from May 1st to May 8th).