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Wiltshire 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 Wiltshire is April 25th. We recommend waiting until May 9th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Wiltshire is November 15th.
Growing Season
Based on historical data, the growing season in Wiltshire is approximately 204 days long.
Wiltshire Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Wiltshire Monthly Gardening Guide
February
In February, you can start Geranium indoors, start Rosemary indoors, start Cabbage indoors, start Celery indoors, and start Onion indoors.
March
In March, you can sow Radish outside, start Cantaloupe indoors, sow Sorrel outside, start Swamp Milkweed indoors, and sow Potato outside.
April
In April, you can sow Carrot outside, sow Gladiolus outside, start Pumpkin indoors, sow Lentil outside, and sow Alyssum outside.
May
In May, you can sow Mung Bean outside, sow Okra outside, sow Butternut Squash outside, sow Sesame outside, and sow Zucchini outside.