Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in St louis, OK, based on the USDA Hardiness Zone 7b.
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St louis, OK Frost Dates & Growing Season
Last Spring Frost Date for St louis, OK
The average last frost date in spring for St louis is April 5th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 19th 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 St louis, OK
The average first frost date in fall for St louis is November 1st. 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 St louis, OK
Based on historical frost data, the estimated growing season length in St louis is approximately 210 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.
St louis, OK Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
St louis, OK Monthly Planting Recommendations
January
In January, recommended activities include starting Geranium seeds indoors (from January 25th to February 8th), starting Petunia seeds indoors (from January 25th to February 8th), and starting Lavender seeds indoors (from January 25th to February 8th).
February
In February, recommended activities include starting Luffa seeds indoors (from February 22nd to March 8th), starting Cauliflower seeds indoors (from February 8th to February 22nd), and starting Marigold seeds indoors (from February 22nd to March 8th).
March
In March, recommended activities include direct sowing Cilantro (from March 22nd to April 19th), direct sowing Alyssum (from March 22nd to April 5th), and direct sowing Poppy (from March 8th to March 22nd).
April
In April, recommended activities include direct sowing Fenugreek (from April 5th to April 19th), direct sowing Cantaloupe (from April 12th to April 26th), and direct sowing Butternut Squash (from April 12th to April 26th).