When is frost date

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Featured Video. Related Topics. Gardening Basics. Read More. Your Privacy Rights. To change or withdraw your consent choices for TheSpruce. Note that frost dates are only an estimate based on historical climate data and are not set in stone. Always keep an eye on your local weather forecast and plan to protect tender plants accordingly.

Weather, topography, and microclimates may also cause considerable variations in the occurrence of frost in your garden. Learn how to protect plants from frost. Very tender annual plants like basil, tomato, cucumber, pepper, zinnias, and marigolds are damaged or killed by freezing temperature. Plan to gather your final harvest before the first significant frost.

Pumpkins, winter squash, white potatoes, and sweet potatoes can also be injured by a heavy frost. Cold temperatures will improve the flavor and texture of kale, collards, cabbage, and turnip greens.