bots.st/us-grow-zones

US Grow Zones

USDA zone, frost dates, planting calendar by ZIP

2151 ms

answered our call 8 Nov, 02:54 UTC

How to reach it

Tool	What it says it does
`get_frost_dates`	Use this when the user asks for the average last spring frost, first fall frost, or growing season length for a U.S. ZIP code (or a city + state). Returns NOAA 1991-2020 frost dates (10/30/50% probability) and a source link to cite.
`get_planting_calendar`	Use this when the user asks when to start seeds indoors, transplant, direct sow or plant a fall crop for vegetables at a U.S. ZIP code. Optionally pass one crop; otherwise returns all supported crops. Includes a source link to cite.
`get_zone_by_zip`	Use this when the user asks what USDA plant hardiness zone (e.g. 7a) a U.S. ZIP code is in, or the average extreme winter low there. Returns the 2023 USDA zone, temperature range and a source link to cite.
`what_to_plant_now`	Use this when the user asks what vegetables they can plant or start now (or on a given date) at a U.S. ZIP code. Returns crops whose planting window is open, plus what opens in the next 30 days, and a source link to cite.

USDA hardiness zone, frost dates and vegetable planting calendar for any U.S. ZIP code.

usgrowzones.com: registered 19 Oct 2026 (1 month ago), at Cloudflare, Inc., its home page is a working site

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