Sources and licences

• Wikidata (CC0): items that are botanical gardens, arboretums or rose/alpine/cactus gardens in the US and Canada, with coordinates, official website and founding year.
• OpenStreetMap (ODbL): named botanical gardens Wikidata doesn't have, plus fee and dog tags.
• Garden websites: admission, free days, dogs, conservatory, season and hours, quoted from the garden's own pages with the URL and date.

OpenStreetMap

Map data © OpenStreetMap contributors, available under the Open Database License (ODbL). These pages are a produced work from that data. If we publish the underlying OSM-derived database, we will release it under the ODbL. The details we gathered ourselves are kept as a separate dataset.

How we check details

We read the operator's own page, write a short factual summary in our own words, and store the URL and the date we read it. We don't copy text or photos.