{"date":"0001-01-01T00:00:00Z","lastmod":"2026-05-31T22:27:37Z","params":{"aliases":["/plantes/heliantheme-commun/","/plantes/heliantheme-nummulaire/","/plantes/heliantheme-jaune/"],"author":"Sophie","categories":["Vivaces"],"climate":{"compatibility":{"continental":{"label":"très bonne rusticité si le sol reste drainant en hiver","score":5},"mediterranean":{"label":"très adapté aux jardins secs et ensoleillés","score":5},"mountain":{"label":"bon comportement au froid avec drainage renforcé","score":4},"oceanic":{"label":"possible en terrain léger et en situation très lumineuse","score":3},"tropical":{"label":"peu adapté à l'humidité chaude persistante","score":1}},"hardiness":{"max_c":32,"min_c":-20},"usda":{"max":"8","min":"5"}},"complexity":{"global_score":2,"profile":{"beginner_friendly":true,"container_friendly":true,"indoor_friendly":false}},"description":"Guide pratique pour cultiver l'hélianthème commun : exposition, sol, arrosage, taille, rusticité et culture en pot au jardin sec.","dimensions":{"height_cm":{"max":30,"min":10},"spread_cm":{"max":60,"min":30}},"draft":false,"environment":{"drainage":{"importance":"high","value":"très drainé, sec l'hiver"},"exposure":{"importance":"high","tolerance_score":1,"value":"plein soleil"},"ph":{"max":8.2,"min":6},"soil":{"importance":"high","type":"pauvre à ordinaire, caillouteux ou sableux"},"soil_texture":["sableux","caillouteux","limoneux léger"]},"families":["Cistaceae"],"ideal_conditions":{"drainage":{"importance":"high","value":"excellent, indispensable en hiver"},"exposure":{"importance":"high","value":"soleil direct au moins 6 heures par jour"},"ph":{"max":8,"min":6.2},"soil":{"importance":"high","value":"terre minérale et filtrante, peu riche"},"spacing_cm":40,"temperature":{"importance":"high","max_c":30,"min_c":-20},"watering":{"frequency":"suivi au démarrage puis apports ponctuels","importance":"medium"}},"image":"heliantheme.jpg","iscjklanguage":false,"jsonld":{"enabled":true,"type":"Taxon"},"lastmod":"2026-05-31T22:27:37Z","lifecycle":{"bloom_months":["mai","juin","juillet"],"planting_months":["mars","avril","mai","septembre","octobre"],"pruning_months":["juin","juillet"]},"outputs":["HTML","JSON"],"plant":{"aliases":["Hélianthème nummulaire","Hélianthème jaune","Helianthemum vulgare"],"common_name":"Hélianthème commun","family":"Cistaceae","genus":"Helianthemum","growth_rate":{"score":3,"value":"moyenne"},"lifecycle":"vivace","origin":"Europe, Afrique du Nord et Asie occidentale","scientific_name":"Helianthemum nummularium","species":"nummularium","type":"vivace couvre-sol à base ligneuse"},"risks":{"toxicity":{"level":"low","value":"pas de toxicité majeure connue en usage ornemental; éviter l'ingestion par précaution"}},"seo":{"content_depth":"expert","difficulty_score":2,"keywords":["hélianthème","heliantheme","Helianthemum nummularium","hélianthème commun","entretien hélianthème","vivace de rocaille"]},"slug":"heliantheme","summary":"L'hélianthème commun est une vivace couvre-sol de plein soleil. Il réussit surtout en sol pauvre et très drainé, avec peu d'eau une fois installé.","tags":["plein soleil","sol drainé","rocaille","couvre-sol"],"title":"Hélianthème commun (Helianthemum nummularium) : plantation, taille et entretien","type":"plant","uses":{"ornamental":{"notes":"rocaille, muret, talus sec, bordure basse, jardin de graviers","score":5}},"water":{"drought_tolerance":{"score":4},"frequency":{"summer":"arrosez régulièrement la première saison, puis seulement en sécheresse prolongée","winter":"n'arrosez pas en pleine terre, protégez surtout de l'humidité stagnante"},"humidity":{"importance":"high","value":"faible"},"needs":{"importance":"medium","score":2,"value":"faibles"}}},"permalink":"https://plantes-de-jardin-gb.pages.dev/fr/plantes/heliantheme/","relPermalink":"/fr/plantes/heliantheme/","slug":"heliantheme","title":"Hélianthème commun (Helianthemum nummularium) : plantation, taille et entretien"}