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Merton 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 Merton is April 10th. We recommend waiting until April 24th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Merton is November 25th.
Growing Season
Based on historical data, the growing season in Merton is approximately 229 days long.
Merton Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Merton Monthly Gardening Guide
January
In January, you can start Impatiens indoors, start Geranium indoors, start Onion indoors, start Pansy indoors, and start Leek indoors.
February
In February, you can start Black Eyed Susan indoors, start White Sage indoors, start Luffa indoors, start Tomatillo indoors, and start Broccoli indoors.
March
In March, you can sow Calendula outside, sow Arugula outside, sow Alyssum outside, sow Cilantro outside, and sow Swiss Chard outside.
April
In April, you can sow Mung Bean outside, sow Cosmos outside, sow Corn outside, sow Morning Glory outside, and sow Fenugreek outside.