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Newcastle upon Tyne Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on January 13th, 2026 12:03 AM). You can also use the My Cozy Plant app for faster frost warnings and alerts in your postal code.
Jan 13th
False Security / Chilling Injury (Too cold for Basil)
Jan 14th
Radiation Frost (Clear skies froze leaves)
Jan 15th
False Security / Chilling Injury (Too cold for Basil)
Warning: The soil temperature is forecasted to drop to 1.9°C tonight. We recommend covering seedlings, tender perennials, and low-lying crops with horticultural fleece or cloches to prevent damage.
Last Frost Date (Spring)
The average last frost date for Newcastle upon Tyne is April 25th. We recommend waiting until May 9th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Newcastle upon Tyne is November 10th.
Growing Season
Based on historical data, the growing season in Newcastle upon Tyne is approximately 199 days long.
Newcastle upon Tyne Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Newcastle upon Tyne Monthly Gardening Guide
February
In February, you can start Pepper indoors, start French Lavender indoors, start Coneflower indoors, start Snapdragon indoors, and start Geranium indoors.
March
In March, you can start Moonflower indoors, sow Sweet Pea outside, start Sage indoors, sow Crimson Clover outside, and sow Chervil outside.
April
In April, you can sow Babys Breath outside, sow Carrot outside, sow Fennel outside, sow Lemon Balm outside, and sow Swiss Chard outside.
May
In May, you can sow Hollyhock outside, sow Cosmos outside, sow Sunflower outside, sow Chia outside, and sow Zucchini outside.