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Bristol Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:05 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Bristol is April 20th. We recommend waiting until May 4th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Bristol is November 20th.
Growing Season
Based on historical data, the growing season in Bristol is approximately 214 days long.
Bristol Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Bristol Monthly Gardening Guide
February
In February, you can start Coleus indoors, start Cauliflower indoors, start Geranium indoors, start Leek indoors, and start Celery indoors.
March
In March, you can sow Flax outside, start Kale indoors, sow Kale outside, sow Spinach outside, start Swamp Milkweed indoors, and sow Potato outside.
April
In April, you can sow Moss Rose outside, sow Sunflower outside, sow Runner Bean outside, sow Lentil outside, and sow Hyssop outside.
May
In May, you can sow Mung Bean outside, sow Lima Bean outside, sow Butterfly Pea outside, sow Okra outside, and sow Corn outside.