{"schemaVersion":"0.2.0","identity":{"slug":"geranium-robertianum","canonicalPath":"/plants/geranium-robertianum","botanicalName":"Geranium robertianum","commonName":"Herb Robert","type":"annual"},"coldHardiness":{"usdaZones":"5a-9b","plainLanguage":"very cold to frosty winters","bandEdgesCelsius":{"coldFloor":-28.88888888888889,"warmCeiling":-1.1111111111111112},"rhsEquivalent":{"rating":"H7","summary":"very hardy"}},"provenance":{"reviewStatus":"source-backed","citationCount":18,"citations":[{"field":"identity","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"summary","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"image","source":"wikimedia-commons","url":"https://commons.wikimedia.org/wiki/Special:FilePath/Geranium%20robertianum%20Bodziszek%20cuchn%C4%85cy%202022-06-20%2004.jpg?width=1200","retrievedAt":"2026-11-07"},{"field":"plant-type","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"light","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"moisture","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"hardiness","source":"plants-for-a-future","url":"https://pfaf.org/user/Plant.aspx?LatinName=Geranium+robertianum","retrievedAt":"2026-11-07"},{"field":"heat-zone","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"size","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"spacing","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"habit","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"design-roles","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"seasonal-interest","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"growth-stages","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"lifecycle","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"regional-guidance","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"success-tips","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"},{"field":"designer-notes","source":"washington-noxious-weed-board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","retrievedAt":"2026-11-07"}],"sources":[{"label":"Washington State Noxious Weed Control Board","url":"https://www.nwcb.wa.gov/weeds/herb-robert","license":"Factual statements are summarized with attribution. Text and photographs retain their stated rights."},{"label":"Plants For A Future","url":"https://pfaf.org/user/Plant.aspx?LatinName=Geranium+robertianum","license":"Body text CC BY 4.0; cite and link the specific plant page."},{"label":"Wikimedia Commons file page","url":"https://commons.wikimedia.org/wiki/Special:FilePath/Geranium%20robertianum%20Bodziszek%20cuchn%C4%85cy%202022-06-20%2004.jpg?width=1200","license":"CC BY-SA 4.0; attribution required, share-alike for derivatives."}]},"sourceability":{"whereToBuy":[],"localInventory":null},"gradingContract":{"fn":"gradePlantFit(usdaZones, placeDerivedZone) -> \"well-suited\" | \"marginal\" | \"wont-grow\" | null","fitGrades":["well-suited","marginal","wont-grow"],"placeInput":"DerivedZone: { zone; zoneDecimal; window; scenario; confidence; spreadHalfZones } - the consumer derives this for the target place.","windows":"now (2025) | mid-century (2055 anchor) | late-century (2085)","scenarios":"ssp126 | ssp370 (default) | ssp585"}}