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Exeter Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:06 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Exeter is April 15th. We recommend waiting until April 29th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Exeter is November 25th.
Growing Season
Based on historical data, the growing season in Exeter is approximately 224 days long.
Exeter Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Exeter Monthly Gardening Guide
February
In February, you can start White Sage indoors, start Artichoke indoors, start Pansy indoors, start Cauliflower indoors, and start Petunia indoors.
March
In March, you can sow Chervil outside, sow Potato outside, start Swamp Milkweed indoors, start Moonflower indoors, and start Sage indoors.
April
In April, you can sow Watermelon outside, sow Mung Bean outside, sow Hollyhock outside, sow Gladiolus outside, and sow Lima Bean outside.