v1.0.0 — Initial release

Initial public release of the Wind River Greens Plant Variety Database.

Summary

• 1,972 plant varieties across 30 categories
• 20,728 planting calendar entries (variety × USDA zone)
• 21,880 companion-plant relationships
• 2,327 outbound citations to NC State Extension, Johnny's Selected Seeds, USDA FoodData Central, and Missouri Botanical Garden (92% citation coverage)
• 1,036 varieties with USDA nutrition data
• 13 USDA hardiness zones with temperature ranges and NOAA frost dates

Data provenance

Per-variety origin (most varieties combine 2-3 sources):

• NC State Extension: 1,794 varieties (91%)
• Johnny's Selected Seeds: 939 (48%)
• USDA PLANTS Database: 506 (26%)

License

CC BY 4.0 — free for any use including commercial, with attribution to Wind River Greens and a link to https://plants.windrivergreens.com.

How to cite

@misc{windrivergreens_plantdb_2026,
  author       = {{Wind River Greens}},
  title        = {Plant Variety Database},
  year         = {2026},
  version      = {1.0.0},
  url          = {https://github.com/bripatch/plant-variety-database},
  howpublished = {GitHub repository},
  note         = {CC BY 4.0}
}

This release is an immutable snapshot. The main branch auto-refreshes monthly from the live production database; pin to this tag if you need reproducibility.