{"date":"0001-01-01T00:00:00Z","lastmod":"2026-05-31T22:27:37Z","params":{"author":"Sophie","categories":["Arbustes"],"climate":{"compatibility":{"continental":{"label":"bonne rusticité; floraison parfois touchée par gel tardif","score":4},"mediterranean":{"label":"possible avec paillage et arrosage de reprise","score":3},"mountain":{"label":"bonne rusticité en situation ensoleillée et non détrempée","score":4},"oceanic":{"label":"très bonne en sol drainé avec taille régulière","score":5},"tropical":{"label":"peu adapté aux climats chauds et humides","score":1}},"hardiness":{"max_c":35,"min_c":-25},"usda":{"max":"8","min":"5"}},"complexity":{"global_score":2,"profile":{"beginner_friendly":true,"container_friendly":true,"indoor_friendly":false}},"description":"Guide pratique du forsythia : exposition, plantation, arrosage, taille après floraison, rajeunissement et culture en pot.","dimensions":{"height_cm":{"max":300,"min":150},"spread_cm":{"max":300,"min":150}},"draft":false,"environment":{"drainage":{"importance":"high","value":"bon drainage, sans eau stagnante hivernale"},"exposure":{"importance":"high","tolerance_score":3,"value":"soleil à mi-ombre lumineuse"},"ph":{"max":7.8,"min":6},"soil":{"importance":"high","type":"ordinaire, drainé"},"soil_texture":["limoneux","argilo-limoneux drainé","sableux"]},"families":["Oleaceae"],"ideal_conditions":{"drainage":{"importance":"high","value":"indispensable en hiver"},"exposure":{"importance":"high","value":"plein soleil pour une floraison abondante"},"ph":{"max":7.8,"min":6},"soil":{"importance":"high","value":"terre ordinaire souple et drainée, même calcaire léger"},"spacing_cm":180,"temperature":{"importance":"medium","max_c":28,"min_c":-20},"watering":{"frequency":"suivi la première saison, puis apports ponctuels","importance":"medium"}},"image":"forsythia.jpg","iscjklanguage":false,"jsonld":{"enabled":true,"type":"Taxon"},"lastmod":"2026-05-31T22:27:37Z","lifecycle":{"bloom_months":["mars","avril"],"planting_months":["mars","avril","octobre","novembre"],"pruning_months":["avril","mai"]},"outputs":["HTML","JSON"],"plant":{"common_name":"Forsythia","family":"Oleaceae","genus":"Forsythia","growth_rate":{"score":3,"value":"moyenne à rapide"},"lifecycle":"vivace ligneuse","origin":"hybride horticole issu d'espèces d'Asie orientale","scientific_name":"Forsythia × intermedia","type":"arbuste caduc florifère"},"risks":{"pests":{"sensitivity_score":1},"toxicity":{"severity_score":1,"value":"plante ornementale non comestible; ingestion déconseillée"}},"seo":{"content_depth":"expert","difficulty_score":2,"keywords":["forsythia","Forsythia x intermedia","taille forsythia","entretien forsythia","quand tailler un forsythia","planter un forsythia","forsythia en pot"]},"slug":"forsythia","summary":"Le forsythia fleurit mieux au soleil, dans un sol ordinaire drainé, avec une taille juste après floraison pour conserver un arbuste dense et bien fleuri.","tags":["floraison printanière","arbuste caduc","soleil"],"title":"Forsythia (Forsythia × intermedia) : plantation, taille et entretien","type":"plant","uses":{"ecological":true,"edible":false,"medicinal":false,"ornamental":true},"water":{"drought_tolerance":{"score":3},"frequency":{"summer":"arrosez régulièrement la première année, puis seulement en période sèche prolongée","winter":"pas d'arrosage en pleine terre hors sécheresse anormale"},"humidity":{"importance":"low","value":"faible à moyenne"},"needs":{"importance":"medium","score":2,"value":"faibles à modérés"}}},"permalink":"https://plantes-de-jardin-gb.pages.dev/fr/plantes/forsythia/","relPermalink":"/fr/plantes/forsythia/","slug":"forsythia","title":"Forsythia (Forsythia × intermedia) : plantation, taille et entretien"}