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Sefton Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:03 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Sefton is April 20th. We recommend waiting until May 4th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Sefton is November 20th.
Growing Season
Based on historical data, the growing season in Sefton is approximately 214 days long.
Sefton Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Sefton Monthly Gardening Guide
February
In February, you can start Thyme indoors, start Artichoke indoors, start Coleus indoors, start Black Eyed Susan indoors, and start Impatiens indoors.
March
In March, you can sow Chervil outside, sow Bok Choy outside, start Pumpkin indoors, sow Watercress outside, and sow California Poppy outside.
April
In April, you can sow Pumpkin outside, sow Hollyhock outside, sow Cantaloupe outside, sow Cucumber outside, and sow Gladiolus outside.
May
In May, you can sow Chia outside, sow Butterfly Pea outside, sow Black Bean outside, sow Lima Bean outside, and sow Melon outside.