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Conwy 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 Conwy is May 1st. We recommend waiting until May 15th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Conwy is November 5th.
Growing Season
Based on historical data, the growing season in Conwy is approximately 188 days long.
Conwy Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Conwy Monthly Gardening Guide
February
In February, you can start Celery indoors, start Begonia indoors, start Geranium indoors, start Leek indoors, and start Impatiens indoors.
March
In March, you can start Marigold indoors, start Kale indoors, start Brussel Sprout indoors, start Basil indoors, and start Thyme indoors.
April
In April, you can sow Chives outside, sow Watercress outside, sow Milkweed outside, sow Flax outside, and sow Potato outside.
May
In May, you can sow Anise outside, sow Pumpkin outside, sow Black Bean outside, sow Jute outside, and sow Zucchini outside.