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Sheffield Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on January 13th, 2026 12:12 AM). You can also use the My Cozy Plant app for faster frost warnings and alerts in your postal code.
Jan 13th
Safe
Jan 14th
False Security / Chilling Injury (Too cold for Basil)
Jan 15th
False Security / Chilling Injury (Too cold for Basil)
Last Frost Date (Spring)
The average last frost date for Sheffield is May 1st. We recommend waiting until May 15th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Sheffield is November 10th.
Growing Season
Based on historical data, the growing season in Sheffield is approximately 193 days long.
Sheffield Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Sheffield Monthly Gardening Guide
February
In February, you can start Rosemary indoors, start Onion indoors, start Lavender indoors, start Pansy indoors, and start Celery indoors.
March
In March, you can start Rue indoors, start Tomatillo indoors, start Aubergine indoors, start Sage indoors, and start Cauliflower indoors.
April
In April, you can sow Milk Thistle outside, sow Forget Me Not outside, sow Hyssop outside, sow Milkweed outside, and sow Fennel outside.
May
In May, you can sow Gladiolus outside, sow Zucchini outside, sow Cosmos outside, sow Pumpkin outside, and sow Sesame outside.