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Antrim and Newtownabbey 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 Antrim and Newtownabbey is May 1st. We recommend waiting until May 15th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Antrim and Newtownabbey is November 10th.
Growing Season
Based on historical data, the growing season in Antrim and Newtownabbey is approximately 193 days long.
Antrim and Newtownabbey Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Antrim and Newtownabbey Monthly Gardening Guide
February
In February, you can start Lavender indoors, start Geranium indoors, start Onion indoors, start Impatiens indoors, and start Artichoke indoors.
March
In March, you can start Coneflower indoors, start Broccoli indoors, start Cauliflower indoors, start Ground Cherry indoors, and start Rue indoors.
April
In April, you can sow Quinoa outside, sow Lettuce outside, sow Sweet Pea outside, sow Hyssop outside, and sow California Poppy outside.
May
In May, you can sow Butterfly Pea outside, sow Corn outside, sow Gladiolus outside, sow Okra outside, and sow Moss Rose outside.