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Newry, Mourne and Down Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:07 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Newry, Mourne and Down is May 1st. We recommend waiting until May 15th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Newry, Mourne and Down is November 10th.
Growing Season
Based on historical data, the growing season in Newry, Mourne and Down is approximately 193 days long.
Newry, Mourne and Down Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Newry, Mourne and Down Monthly Gardening Guide
February
In February, you can start Rosemary indoors, start Leek indoors, start Snapdragon indoors, start Begonia indoors, and start Impatiens indoors.
March
In March, you can start Cauliflower indoors, start Rue indoors, start Swamp Milkweed indoors, start White Sage indoors, and start Broccoli indoors.
April
In April, you can sow Lupine outside, sow Sorrel outside, sow Swiss Chard outside, sow Kale outside, and sow Milkweed outside.
May
In May, you can sow Sesame outside, sow Lemon Balm outside, sow Gladiolus outside, sow Watermelon outside, and sow Jute outside.