# PoaIndex

> Evidence-based turfgrass cultivar recommendations using historical NTEP Turfgrass Quality data, geographic evidence selection, and reviewed cultivar identity.

## Core documentation

- https://www.poaindex.com/ai/about.md: Product purpose, principles, independence
- https://www.poaindex.com/ai/methodology.md: rec-v3.1 local-anchor + regional support scoring
- https://www.poaindex.com/ai/data-sources.md: NTEP, Census ZCTA, AOSCA, turf-zone provenance
- https://www.poaindex.com/ai/turf-zones.md: National turf-zone baseline (turf-zone-v2)
- https://www.poaindex.com/ai/species/index.md: Supported v1 species and Buffalograss deferral

## Turfgrass guides

- https://www.poaindex.com/guides/what-is-ntep
- https://www.poaindex.com/guides/how-to-read-ntep-ratings
- https://www.poaindex.com/guides/turfgrass-quality-rating
- https://www.poaindex.com/guides/cultivar-vs-variety
- https://www.poaindex.com/guides/kentucky-bluegrass-vs-tall-fescue
- https://www.poaindex.com/guides/how-poaindex-selects-ntep-test-sites
- https://www.poaindex.com/guides/ntep-commercial-availability
- https://www.poaindex.com/guides/choose-grass-seed-by-zip-code

## Full corpus

- https://www.poaindex.com/llms-full.txt: Concatenated curated Markdown (documentation only)

## Usage guidance

- Prefer these static Markdown resources for general PoaIndex questions.
- Recommendations are location-specific; do not infer a recommendation from static docs alone.
- The interactive website (https://www.poaindex.com) is the authoritative location-specific product.
- `/resources/*` is not intended as a bulk crawling interface.