Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Allen, OK, based on the USDA Hardiness Zone 7b.
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Allen, OK Frost Dates & Growing Season
Last Spring Frost Date for Allen, OK
The average last frost date in spring for Allen 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 Allen, OK
The average first frost date in fall for Allen 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 Allen, OK
Based on historical frost data, the estimated growing season length in Allen 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.
Allen, OK Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Allen, OK Monthly Planting Recommendations
January
In January, recommended activities include starting Celery seeds indoors (from January 25th to February 8th), starting Leek 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 Stevia seeds indoors (from February 8th to February 22nd), starting Statice seeds indoors (from February 8th to February 22nd), and starting Coneflower seeds indoors (from February 8th to February 22nd).
March
In March, recommended activities include direct sowing Crimson Clover (from March 8th to March 22nd), direct sowing Alfalfa (from March 8th to March 22nd), and direct sowing Flax (from March 8th to March 22nd).
April
In April, recommended activities include direct sowing Nasturtium (from April 12th to April 19th), direct sowing Black Bean (from April 19th to May 3rd), and direct sowing Fenugreek (from April 5th to April 19th).