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Kingston upon Thames Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:02 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Kingston upon Thames is April 10th. We recommend waiting until April 24th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Kingston upon Thames is November 25th.
Growing Season
Based on historical data, the growing season in Kingston upon Thames is approximately 229 days long.
Kingston upon Thames Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Kingston upon Thames Monthly Gardening Guide
January
In January, you can start Celery indoors, start Geranium indoors, start Lavender indoors, start Artichoke indoors, and start Onion indoors.
February
In February, you can start Tomato indoors, start Broccoli indoors, start Cauliflower indoors, start Cabbage indoors, and start Brussel Sprout indoors.
March
In March, you can sow Garden Cress outside, sow Sweet Pea outside, sow Poppy outside, sow Beet outside, and sow Arugula outside.
April
In April, you can sow Zucchini outside, sow Lima Bean outside, sow Gladiolus outside, sow Hollyhock outside, and sow Chia outside.