Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Chelsea, OK, based on the USDA Hardiness Zone 7a.
On this page:
Chelsea, OK Frost Dates & Growing Season
Last Spring Frost Date for Chelsea, OK
The average last frost date in spring for Chelsea is April 9th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until April 23rd 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 Chelsea, OK
The average first frost date in fall for Chelsea is October 25th. 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 Chelsea, OK
Based on historical frost data, the estimated growing season length in Chelsea is approximately 199 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.
Chelsea, OK Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Chelsea, OK Monthly Planting Recommendations
January
In January, recommended activities include starting Petunia seeds indoors (from January 29th to February 12th), starting Geranium seeds indoors (from January 29th to February 12th), and starting Pansy seeds indoors (from January 29th to February 12th).
February
In February, recommended activities include starting Pepper seeds indoors (from February 12th to February 26th), direct sowing Pea (from February 26th to March 12th), and starting Thyme seeds indoors (from February 12th to February 26th).
March
In March, recommended activities include direct sowing Mustard (from March 12th to March 26th), direct sowing Calendula (from March 26th to April 9th), and starting Cantaloupe seeds indoors (from March 12th to March 26th).
April
In April, recommended activities include direct sowing Zucchini (from April 16th to April 30th), direct sowing Corn (from April 23rd to April 30th), and direct sowing Butterfly Pea (from April 23rd to May 7th).