First Frost Date By Zip Code 2024. Enter your zip code or postal code above. This information is useful both in terms of knowing when to sow seeds and the right time to plant annuals, perennials, trees, and shrubs that are likely to survive the winter.

As the name suggests, the first frost date is simply the average day in your area when the temperatures reach 32℉. Unlock your gardening potential with our guide on first and last frost dates by usda hardiness zones.