{"schemaVersion":"0.2.0","identity":{"slug":"vitis-labrusca","canonicalPath":"/plants/vitis-labrusca","botanicalName":"Vitis labrusca","commonName":"Fox grape","type":"shrub"},"coldHardiness":{"usdaZones":"5a-8b","plainLanguage":"very cold to frosty winters","bandEdgesCelsius":{"coldFloor":-28.88888888888889,"warmCeiling":-6.666666666666667},"rhsEquivalent":{"rating":"H7","summary":"very hardy"}},"provenance":{"reviewStatus":"source-backed","citationCount":18,"citations":[{"field":"identity","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"summary","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"image","source":"wikimedia-commons","url":"https://commons.wikimedia.org/wiki/Special:FilePath/Vitis%20labrusca%20(fox%20grape)%2C%20South%20Kingstown%2C%20RI%20(32050974781).jpg?width=1200","retrievedAt":"2026-05-17"},{"field":"plant-type","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"light","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"moisture","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"hardiness","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"heat-zone","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"size","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"spacing","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"habit","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"design-roles","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"seasonal-interest","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"growth-stages","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"lifecycle","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"regional-guidance","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"success-tips","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"},{"field":"designer-notes","source":"missouri-botanical-garden-plantfinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","retrievedAt":"2026-05-17"}],"sources":[{"label":"Missouri Botanical Garden PlantFinder","url":"https://plantfinder.mobot.org/PlantFinderDetails.aspx?taxonid=301151","license":"Curated horticultural reference; cite and link the specific PlantFinder page."},{"label":"USDA PLANTS Database","url":"https://plants.usda.gov/plant-profile/VILA8","license":"U.S. federal government factual data (public domain); cite and link the species PROFILE page."},{"label":"Lady Bird Johnson Wildflower Center Native Plant Database","url":"https://www.wildflower.org/plants/result.php?id_plant=vila8","license":"Native-plant database content © University of Texas at Austin; factual data is not copyrightable but attribution is required."},{"label":"GBIF (Global Biodiversity Information Facility)","url":"https://www.gbif.org/species/5372424","license":"Aggregated taxonomic-backbone + occurrence data under open licenses; cite and link the GBIF species page."},{"label":"Wikimedia Commons file page","url":"https://commons.wikimedia.org/wiki/Special:FilePath/Vitis%20labrusca%20(fox%20grape)%2C%20South%20Kingstown%2C%20RI%20(32050974781).jpg?width=1200","license":"CC BY 2.0; attribution required."}]},"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"},"heatTolerance":{"ahsHeatZones":"1-11"},"nativeDistribution":{"nativeStates":["AL","CT","DC","DE","GA","IL","IN","KY","LA","MA","MD","ME","MI","NC","NH","NJ","NY","OH","PA","RI","SC","TN","VA","VT","WI","WV","ON"],"hasNatureServeDistribution":false}}