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Swindon Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:06 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Swindon is April 25th. We recommend waiting until May 9th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Swindon is November 15th.
Growing Season
Based on historical data, the growing season in Swindon is approximately 204 days long.
Swindon Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Swindon Monthly Gardening Guide
February
In February, you can start Geranium indoors, start Artichoke indoors, start Coleus indoors, start Stevia indoors, and start French Lavender indoors.
March
In March, you can sow Poppy outside, start Moonflower indoors, sow Garden Cress outside, start Sage indoors, and sow Arugula outside.
April
In April, you can sow Lemon Balm outside, sow Forget Me Not outside, sow Hyssop outside, sow Calendula outside, and sow Alyssum outside.
May
In May, you can sow Sesame outside, sow Okra outside, sow Runner Bean outside, sow Sunflower outside, and sow Morning Glory outside.