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Monmouthshire 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 Monmouthshire is May 1st. We recommend waiting until May 15th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Monmouthshire is November 10th.
Growing Season
Based on historical data, the growing season in Monmouthshire is approximately 193 days long.
Monmouthshire Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Monmouthshire Monthly Gardening Guide
February
In February, you can start Pansy indoors, start Rosemary indoors, start Leek indoors, start French Lavender indoors, and start Begonia indoors.
March
In March, you can start Pepper indoors, start Basil indoors, start Moonflower indoors, start Sage indoors, and start Tomatillo indoors.
April
In April, you can sow Beet outside, sow Milkweed outside, sow Lentil outside, sow Chives outside, and sow Alyssum outside.
May
In May, you can sow Babys Breath outside, sow Corn outside, sow Sunflower outside, sow Anise outside, and sow Pumpkin outside.