{"date":"0001-01-01T00:00:00Z","lastmod":"2026-05-31T22:27:37Z","params":{"author":"Sophie","categories":["Arbustes"],"climate":{"compatibility":{"continental":{"label":"bonne rusticité, attention aux gelées tardives sur bourgeons","score":4},"mediterranean":{"label":"possible en ombre claire avec paillage et arrosage suivi","score":2},"mountain":{"label":"bonne tenue hors sols gorgés d'eau","score":4},"oceanic":{"label":"très bonne adaptation si le sol reste frais","score":5},"tropical":{"label":"peu adapté aux fortes chaleurs humides continues","score":1}},"hardiness":{"max_c":32,"min_c":-20},"usda":{"max":"9","min":"6"}},"complexity":{"global_score":2,"profile":{"beginner_friendly":true,"container_friendly":true,"indoor_friendly":false}},"description":"Guide pratique pour réussir l'hortensia serrata : emplacement, sol, arrosage, taille, culture en pot et gestion de la couleur des fleurs.","dimensions":{"height_cm":{"max":160,"min":90},"spread_cm":{"max":160,"min":90}},"draft":false,"environment":{"drainage":{"importance":"high","value":"drainé, sans stagnation hivernale"},"exposure":{"importance":"high","tolerance_score":2,"value":"mi-ombre lumineuse"},"ph":{"max":7,"min":5},"soil":{"importance":"high","type":"humifère, frais et drainé"},"soil_texture":["limoneux","argilo-limoneux amendé","humifère"]},"families":["Hydrangeaceae"],"ideal_conditions":{"drainage":{"importance":"high","value":"bon drainage avec réserve d'eau utile en été"},"exposure":{"importance":"high","value":"soleil du matin ou ombre claire, sans soleil brûlant l'après-midi"},"ph":{"max":6.8,"min":5},"soil":{"importance":"high","value":"terre riche en humus, souple, fraîche et bien drainée"},"spacing_cm":110,"temperature":{"importance":"high","max_c":26,"min_c":-15},"watering":{"frequency":"régulier en saison chaude, copieux puis espacé","importance":"high"}},"image":"hortensia-serrata.jpg","iscjklanguage":false,"jsonld":{"enabled":true,"type":"Taxon"},"lastmod":"2026-05-31T22:27:37Z","lifecycle":{"bloom_months":["juin","juillet","août"],"planting_months":["mars","avril","septembre","octobre"],"pruning_months":["février","mars","août"]},"outputs":["HTML","JSON"],"plant":{"common_name":"Hortensia serrata","family":"Hydrangeaceae","genus":"Hydrangea","growth_rate":{"score":3,"value":"moyenne"},"lifecycle":"vivace ligneuse","origin":"Japon et Corée","scientific_name":"Hydrangea serrata","species":"serrata","type":"arbuste caduc florifère"},"risks":{"pests":{"sensitivity_score":2},"toxicity":{"severity_score":2,"value":"faible toxicité en cas d'ingestion; plante ornementale non comestible"}},"seo":{"content_depth":"expert","difficulty_score":2,"keywords":["hortensia serrata","hortensia des montagnes","Hydrangea serrata","entretien hortensia serrata","taille hortensia serrata","hortensia serrata en pot"]},"slug":"hortensia-serrata","summary":"L'hortensia serrata aime la mi-ombre lumineuse, un sol humifère frais mais drainé, des arrosages réguliers en été et une taille légère pour préserver la floraison.","tags":["mi-ombre","sol frais","arbuste caduc"],"title":"Hortensia serrata (Hydrangea serrata) : plantation, taille et entretien","type":"plant","uses":{"ecological":true,"edible":false,"medicinal":false,"ornamental":true},"water":{"drought_tolerance":{"score":1},"frequency":{"summer":"arrosages profonds réguliers, surtout en bac et les deux premières années","winter":"apports limités en pleine terre, sans laisser la motte sécher complètement"},"humidity":{"importance":"medium","value":"moyenne à élevée"},"needs":{"importance":"high","score":4,"value":"modérés à élevés"}}},"permalink":"https://plantes-de-jardin-gb.pages.dev/fr/plantes/hortensia-serrata/","relPermalink":"/fr/plantes/hortensia-serrata/","slug":"hortensia-serrata","title":"Hortensia serrata (Hydrangea serrata) : plantation, taille et entretien"}