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Isle of Anglesey Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:08 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Isle of Anglesey is April 20th. We recommend waiting until May 4th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Isle of Anglesey is November 20th.
Growing Season
Based on historical data, the growing season in Isle of Anglesey is approximately 214 days long.
Isle of Anglesey Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Isle of Anglesey Monthly Gardening Guide
February
In February, you can start Tomatillo indoors, start Coneflower indoors, start Black Eyed Susan indoors, start Snapdragon indoors, and start Coleus indoors.
March
In March, you can start Kale indoors, sow Kale outside, sow Mustard outside, sow Milkweed outside, sow California Poppy outside, and start Cantaloupe indoors.
April
In April, you can sow Lentil outside, sow Sunflower outside, sow German Chamomile outside, sow Cantaloupe outside, and sow Swiss Chard outside.
May
In May, you can sow Melon outside, sow Mung Bean outside, sow Watermelon outside, sow Butterfly Pea outside, and sow Okra outside.