On this page:
Torfaen Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:09 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Torfaen is May 1st. We recommend waiting until May 15th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Torfaen is November 10th.
Growing Season
Based on historical data, the growing season in Torfaen is approximately 193 days long.
Torfaen Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Torfaen Monthly Gardening Guide
February
In February, you can start Celery indoors, start Pansy indoors, start Petunia indoors, start Artichoke indoors, and start Snapdragon indoors.
March
In March, you can start Ground Cherry indoors, start Stevia indoors, sow Spinach outside, start Moonflower indoors, and start Coleus indoors.
April
In April, you can sow Fennel outside, sow Alyssum outside, sow California Poppy outside, sow Arugula outside, and sow Quinoa outside.
May
In May, you can sow Pumpkin outside, sow Watermelon outside, sow Jute outside, sow Gladiolus outside, and sow Runner Bean outside.