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Reading Frost Dates & Growing Season
Here's the frost forecast for the next three days (last updated on December 8th, 2025 6:05 AM).
Dec 8th
Safe
Dec 9th
Safe
Dec 10th
Safe
Last Frost Date (Spring)
The average last frost date for Reading is April 25th. We recommend waiting until May 9th before planting tender crops outdoors.
First Frost Date (Autumn)
The average first frost date for Reading is November 15th.
Growing Season
Based on historical data, the growing season in Reading is approximately 204 days long.
Reading Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting.
Reading Monthly Gardening Guide
February
In February, you can start Ground Cherry indoors, start White Sage indoors, start Cauliflower indoors, start Celery indoors, and start Snapdragon indoors.
March
In March, you can start Marigold indoors, sow California Poppy outside, start Cantaloupe indoors, sow Chervil outside, and sow Alfalfa outside.
April
In April, you can sow Fennel outside, sow Beet outside, sow German Chamomile outside, sow Lemon Balm outside, and sow Hyssop outside.
May
In May, you can sow Watermelon outside, sow Jute outside, sow Runner Bean outside, sow Anise outside, and sow Mung Bean outside.