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Renfrewshire Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:08 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Renfrewshire is May 5th. We recommend waiting until May 19th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Renfrewshire is November 5th.
Growing Season
Based on historical data, the growing season in Renfrewshire is approximately 184 days long.
Renfrewshire Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Renfrewshire Monthly Gardening Guide
February
In February, you can start Lavender indoors, start Geranium indoors, start Leek indoors, start Artichoke indoors, and start Snapdragon indoors.
March
In March, you can start Coneflower indoors, start Marigold indoors, start Thyme indoors, start Basil indoors, and sow Spinach outside.
April
In April, you can sow Swiss Chard outside, sow German Chamomile outside, sow Watercress outside, sow Potato outside, and sow Milkweed outside.
May
In May, you can sow Fenugreek outside, sow Melon outside, sow Mung Bean outside, sow Nasturtium outside, and sow Butterfly Pea outside.