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Havant Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:04 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Havant is April 1st. We recommend waiting until April 15th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Havant is December 1st.
Growing Season
Based on historical data, the growing season in Havant is approximately 244 days long.
Havant Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Havant Monthly Gardening Guide
January
In January, you can start Rosemary indoors, start Artichoke indoors, start Geranium indoors, start Celery indoors, and start Pansy indoors.
February
In February, you can start White Sage indoors, start Rue indoors, sow Pea outside, start Cabbage indoors, and start Cauliflower indoors.
March
In March, you can sow Calendula outside, sow Carrot outside, sow Dill outside, sow Beet outside, and sow Radish outside.
April
In April, you can sow Chia outside, sow Babys Breath outside, sow Gladiolus outside, sow Lemon Balm outside, and sow Butternut Squash outside.