OSU Extension EM 9136 — Waterwise Gardening in Central Oregon
Amy Jo Detweiler · peer-reviewed · rev. 2025
The primary source for plant hydrozone, hardiness, sun, and size data in this tool.
Reference
Resources
The authoritative sources behind the plant data in this tool.
Data sources
Colorado Springs Utilities — Water-Wise Plants
A regional water utility's xeriscape plant database, with water-use ratings and cold hardiness.
About this data
Every plant record in this tool carries a data_verified status. Plants sourced from OSU Extension EM 9136 are marked verified.
A subset of earlier records were compiled from public sources and have not been individually verified against a published authority. Treat those entries as a starting point and confirm details before specifying a plant for a project.