# US Grow Zones Hardiness API

**Canonical:** https://apis.io/apis/usgrowzones-com/hardiness-api/  
**Provider:** US Grow Zones — https://apis.io/providers/usgrowzones-com/  
**Documentation:** https://usgrowzones.com/developers/

US Grow Zones Hardiness API is one of 2 APIs that [US Grow Zones](https://apis.io/providers/usgrowzones-com/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Agriculture, Weather, Plants, Geolocation, and Free. The published artifact set on APIs.io includes API documentation, an API reference, and a getting-started guide.

Free JSON API for USDA plant hardiness zones, temperature ranges, and frost dates by U.S. ZIP code.

## Machine-readable artifacts (4)

- **Documentation** — https://usgrowzones.com/developers/
- **APIReference** — https://usgrowzones.com/developers/
- **GettingStarted** — https://usgrowzones.com/developers/
- **APIsJSON** — https://artifacts.apis.io/usgrowzones-com/apis.yml

## Other US Grow Zones APIs (1)

- [US Grow Zones API](https://apis.io/apis/usgrowzones-com/usgrowzones-com-api/)

## Tags

Agriculture, Weather, Plants, Geolocation, Free, API

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/usgrowzones-com/hardiness-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/usgrowzones-com/.