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Middlesbrough 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 Middlesbrough is April 25th. We recommend waiting until May 9th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Middlesbrough is November 10th.
Growing Season
Based on historical data, the growing season in Middlesbrough is approximately 199 days long.
Middlesbrough Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Middlesbrough Monthly Gardening Guide
February
In February, you can start Cabbage indoors, start Geranium indoors, start Celery indoors, start Onion indoors, and start Stevia indoors.
March
In March, you can sow Chives outside, sow Garden Cress outside, sow Crimson Clover outside, start Moonflower indoors, and start Luffa indoors.
April
In April, you can sow Gladiolus outside, sow Swiss Chard outside, sow Forget Me Not outside, sow Quinoa outside, and sow Beet outside.
May
In May, you can sow Pumpkin outside, sow Morning Glory outside, sow Sesame outside, sow Mung Bean outside, and sow Jute outside.