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Ceredigion Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on January 13th, 2026 12:14 AM). You can also use the My Cozy Plant app for faster frost warnings and alerts in your postal code.
Jan 13th
False Security / Chilling Injury (Too cold for Basil)
Jan 14th
The Tender Killer (Tomatoes/Peppers die)
Jan 15th
False Security / Chilling Injury (Too cold for Basil)
Warning: The soil temperature is forecasted to drop to -0.6°C tonight. We recommend covering seedlings, tender perennials, and low-lying crops with horticultural fleece or cloches to prevent damage.
Last Frost Date (Spring)
The average last frost date for Ceredigion is May 1st. We recommend waiting until May 15th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Ceredigion is November 10th.
Growing Season
Based on historical data, the growing season in Ceredigion is approximately 193 days long.
Ceredigion Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Ceredigion Monthly Gardening Guide
February
In February, you can start Petunia indoors, start Leek indoors, start Geranium indoors, start Rosemary indoors, and start Impatiens indoors.
March
In March, you can start Black Eyed Susan indoors, start Swamp Milkweed indoors, start Tomatillo indoors, start Tomato indoors, and start Rue indoors.
April
In April, you can sow Alfalfa outside, sow Arugula outside, sow Poppy outside, sow Dill outside, and sow Forget Me Not outside.
May
In May, you can sow Butternut Squash outside, sow Mung Bean outside, sow Cantaloupe outside, sow Zinnia outside, and sow Pumpkin outside.