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Richmond 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 Richmond 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 Richmond upon Thames is November 25th.
Growing Season
Based on historical data, the growing season in Richmond upon Thames is approximately 229 days long.
Richmond upon Thames Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Richmond upon Thames Monthly Gardening Guide
January
In January, you can start Begonia indoors, start French Lavender indoors, start Petunia indoors, start Onion indoors, and start Leek indoors.
February
In February, you can sow Spinach outside, start Pepper indoors, start Oregano indoors, start Tomato indoors, and start Broccoli indoors.
March
In March, you can sow Beet outside, sow Kale outside, sow Hyssop outside, sow Radish outside, and start Pumpkin indoors.
April
In April, you can sow Watermelon outside, sow Sunflower outside, sow Melon outside, sow Lemon Balm outside, and sow Pumpkin outside.