Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Mangum, OK, based on the USDA Hardiness Zone 7b.
On this page:
Mangum, OK Frost Dates & Growing Season
Last Spring Frost Date for Mangum, OK
The average last frost date in spring for Mangum is April 2nd. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 16th 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 Mangum, OK
The average first frost date in fall for Mangum is November 5th. 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 Mangum, OK
Based on historical frost data, the estimated growing season length in Mangum is approximately 217 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.
Mangum, OK Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Mangum, OK Monthly Planting Recommendations
January
In January, recommended activities include starting Pansy seeds indoors (from January 22nd to February 5th), starting Impatiens seeds indoors (from January 22nd to February 5th), and starting Artichoke seeds indoors (from January 22nd to February 5th).
February
In February, recommended activities include starting Cauliflower seeds indoors (from February 5th to February 19th), starting Coneflower seeds indoors (from February 5th to February 19th), and starting Black Eyed Susan seeds indoors (from February 5th to February 19th).
March
In March, recommended activities include direct sowing Chives (from March 5th to March 19th), direct sowing Calendula (from March 19th to April 2nd), and direct sowing Swiss Chard (from March 19th to April 2nd).
April
In April, recommended activities include direct sowing Mung Bean (from April 16th to April 30th), direct sowing Lemon Balm (from April 2nd to April 16th), and direct sowing Sunflower (from April 9th to April 23rd).