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Derry City and Strabane Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:07 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Derry City and Strabane is May 1st. We recommend waiting until May 15th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Derry City and Strabane is November 10th.
Growing Season
Based on historical data, the growing season in Derry City and Strabane is approximately 193 days long.
Derry City and Strabane Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Derry City and Strabane Monthly Gardening Guide
February
In February, you can start Leek indoors, start Rosemary indoors, start Snapdragon indoors, start Begonia indoors, and start Geranium indoors.
March
In March, you can start Sage indoors, start Statice indoors, start Coleus indoors, start Broccoli indoors, and sow Spinach outside.
April
In April, you can sow Parsley outside, sow Arugula outside, sow Quinoa outside, sow Lentil outside, and sow Mustard outside.
May
In May, you can sow Sunflower outside, sow Butternut Squash outside, sow Zucchini outside, sow Watermelon outside, and sow Hollyhock outside.