# US Grow Zones (usgrowzones.com)

Looks up a U.S. zip code's USDA hardiness zone and nearest city's frost dates, with planting calendars for 21 crops.

- Atlas card: https://inite.ai/en/atlas/usgrowzones.com
- Site: https://usgrowzones.com
- For: home gardeners planning planting dates for a specific US zip code or city
- Categories: dev
- Use not measured/100 · alive 100/100

## Used for

- look up a hardiness zone from a zip code
- find average first and last frost dates for a city
- compare planting calendars for crops like tomatoes and kale

## Price

Not read yet.

## For developers

- API docs: https://usgrowzones.com/developers
- MCP server: com.usgrowzones/grow-zones (namespace; open on 2026-10-30, 4 tools)
- Read 2026-10-30

## MCP server, measured daily

Server: https://usgrowzones.com/mcp, checked every day since 2026-10-30 (3 checks).

- Answered: measuring, 3 daily checks so far
- Median first answer: 178 ms
- Sign-in: none
- Context its tool definitions take: about 584 tokens (4 tools)
- Tool definitions: A, 100/100
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-30

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Source: INITE Atlas, https://inite.ai/en/atlas/usgrowzones.com. JSON: https://inite.ai/api/atlas/usgrowzones.com. MCP: https://inite.ai/api/mcp (atlas_lookup).