Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Cos cob, CT, based on the USDA Hardiness Zone 7a.
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Cos cob, CT Frost Dates & Growing Season
Last Spring Frost Date for Cos cob, CT
The average last frost date in spring for Cos cob is April 20th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until May 4th 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 Cos cob, CT
The average first frost date in fall for Cos cob 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 Cos cob, CT
Based on historical frost data, the estimated growing season length in Cos cob is approximately 195 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.
Cos cob, CT Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Cos cob, CT Monthly Planting Recommendations
February
In February, recommended activities include starting Artichoke seeds indoors (from February 9th to February 23rd), starting Black Eyed Susan seeds indoors (from February 23rd to March 9th), and starting Statice seeds indoors (from February 23rd to March 9th).
March
In March, recommended activities include direct sowing Flax (from March 23rd to April 6th), starting Basil seeds indoors (from March 9th to March 23rd), and starting Brussel Sprout seeds indoors (from March 9th to March 23rd).
April
In April, recommended activities include direct sowing Butternut Squash (from April 27th to May 11th), direct sowing Cucumber (from April 27th to May 11th), and direct sowing Runner Bean (from April 27th to May 11th).
May
In May, recommended activities include direct sowing Corn (from May 4th to May 11th), direct sowing Sesame (from May 4th to May 18th), and direct sowing Watermelon (from May 4th to May 18th).