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The average date on which the last spring frost or first autumn frost occurs in a given location. The last frost date marks when it is generally safe to plant frost-sensitive crops outdoors. The first frost date marks when the growing season for those crops ends. The interval between the two is the frost-free growing season. Frost dates are averages based on historical weather data and are published by cooperative extension services and regional gardening organizations.
@misc{emsenn2026-frost-date,
author = {emsenn},
title = {frost date},
year = {2026},
url = {https://emsenn.net/library/domesticity/domains/gardening/terms/frost-date/},
publisher = {emsenn.net},
license = {CC BY-SA 4.0}
}