Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Heavener, OK, based on the USDA Hardiness Zone 7b.
On this page:
Heavener, OK Frost Dates & Growing Season
Last Spring Frost Date for Heavener, OK
The average last frost date in spring for Heavener is April 8th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 22nd 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 Heavener, OK
The average first frost date in fall for Heavener is November 3rd. 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 Heavener, OK
Based on historical frost data, the estimated growing season length in Heavener is approximately 209 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.
Heavener, OK Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Heavener, OK Monthly Planting Recommendations
January
In January, recommended activities include starting Leek seeds indoors (from January 28th to February 11th), starting Celery seeds indoors (from January 28th to February 11th), and starting Impatiens seeds indoors (from January 28th to February 11th).
February
In February, recommended activities include starting Kale seeds indoors (from February 25th to March 11th), starting Coleus seeds indoors (from February 11th to February 25th), and direct sowing Spinach (from February 25th to March 11th).
March
In March, recommended activities include direct sowing Beet (from March 25th to April 8th), direct sowing Radish (from March 11th to March 25th), and starting Pumpkin seeds indoors (from March 18th to March 25th).
April
In April, recommended activities include direct sowing Babys Breath (from April 8th to April 22nd), direct sowing Butternut Squash (from April 15th to April 29th), and direct sowing Morning Glory (from April 15th to April 29th).