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Mid Sussex Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:04 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Mid Sussex is April 25th. We recommend waiting until May 9th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Mid Sussex is November 15th.
Growing Season
Based on historical data, the growing season in Mid Sussex is approximately 204 days long.
Mid Sussex Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Mid Sussex Monthly Gardening Guide
February
In February, you can start Tomato indoors, start Statice indoors, start Leek indoors, start Snapdragon indoors, and start Impatiens indoors.
March
In March, you can sow Bok Choy outside, sow Sweet Pea outside, sow Alfalfa outside, sow Chervil outside, and sow Poppy outside.
April
In April, you can sow Hyssop outside, sow Alyssum outside, sow Forget Me Not outside, sow Milk Thistle outside, and sow Lemon Balm outside.
May
In May, you can sow Cosmos outside, sow Pumpkin outside, sow Lima Bean outside, sow Sesame outside, and sow Okra outside.