{"date":"0001-01-01T00:00:00Z","lastmod":"2026-05-31T22:27:37Z","params":{"author":"Sophie","categories":["Arbres d'ornement"],"climate":{"compatibility":{"continental":{"label":"bonne rusticité une fois enraciné","score":4},"mediterranean":{"label":"possible avec arrosage de reprise et protection des jeunes plants","score":3},"mountain":{"label":"possible en zone basse abritée, sensible aux gelées tardives sur jeunes pousses","score":2},"oceanic":{"label":"bien adapté si le sol reste drainant","score":4},"tropical":{"label":"peu adapté aux chaleurs humides permanentes","score":1}},"hardiness":{"max_c":38,"min_c":-20},"usda":{"max":"9","min":"5"}},"complexity":{"global_score":2,"profile":{"beginner_friendly":true,"container_friendly":false,"indoor_friendly":false}},"description":"Guide pratique du catalpa: emplacement, plantation, arrosage, taille, entretien et points de vigilance pour un jardin en France.","dimensions":{"height_cm":{"max":1500,"min":800},"spread_cm":{"max":1200,"min":700}},"draft":false,"environment":{"drainage":{"importance":"high","value":"bon, sans stagnation hivernale"},"exposure":{"importance":"high","tolerance_score":3,"value":"plein soleil à mi-ombre lumineuse"},"ph":{"max":8,"min":6},"soil":{"importance":"high","type":"profond, ordinaire à fertile, frais mais drainé"},"soil_texture":["limoneux","sablo-limoneux","argilo-limoneux drainé"]},"families":["Bignoniaceae"],"ideal_conditions":{"drainage":{"importance":"high","value":"indispensable en hiver"},"exposure":{"importance":"high","value":"emplacement lumineux, chaud, dégagé"},"ph":{"max":7.8,"min":6.2},"soil":{"importance":"high","value":"terre ameublie en profondeur, plutôt fraîche l'été, bien drainée l'hiver"},"spacing_cm":800,"temperature":{"importance":"high","max_c":32,"min_c":-15},"watering":{"frequency":"suivi de reprise puis arrosages espacés","importance":"medium"}},"image":"catalpa.jpg","iscjklanguage":false,"jsonld":{"enabled":true,"type":"Taxon"},"lastmod":"2026-05-31T22:27:37Z","lifecycle":{"bloom_months":["juin","juillet"],"planting_months":["mars","avril","octobre","novembre"],"pruning_months":["fevrier","mars"]},"outputs":["HTML","JSON"],"plant":{"common_name":"Catalpa","family":"Bignoniaceae","genus":"Catalpa","growth_rate":{"score":3,"value":"moyenne à rapide sur sol profond"},"lifecycle":"vivace ligneuse","origin":"Sud-Est des États-Unis","scientific_name":"Catalpa bignonioides","species":"bignonioides","type":"arbre caduc d'ornement"},"risks":{"toxicity":{"severity_score":1,"value":"plante ornementale non destinée à la consommation; évitez l'ingestion des feuilles, graines et gousses"}},"seo":{"content_depth":"expert","difficulty_score":2,"keywords":["catalpa","Catalpa bignonioides","entretien catalpa","plantation catalpa","taille catalpa","arbre aux haricots"]},"slug":"catalpa","summary":"Le catalpa est un arbre d'ombrage rustique, apprécié pour ses grandes feuilles et sa floraison estivale. Il demande surtout de l'espace, un sol drainé et une taille modérée.","tags":["arbre caduc","floraison estivale","ombre","sol drainé"],"title":"Catalpa (Catalpa bignonioides) : plantation, taille et entretien","type":"plant","uses":{"ecological":true,"edible":false,"medicinal":false,"ornamental":true},"water":{"drought_tolerance":{"score":3},"frequency":{"summer":"arrosez régulièrement les 2 à 3 premiers étés, puis seulement en sécheresse prolongée","winter":"pas d'arrosage en pleine terre hors hiver exceptionnellement sec après plantation"},"humidity":{"importance":"low","value":"moyenne"},"needs":{"importance":"medium","score":3,"value":"modérés les premières années puis faibles à modérés"}}},"permalink":"https://plantes-de-jardin-gb.pages.dev/fr/plantes/catalpa/","relPermalink":"/fr/plantes/catalpa/","slug":"catalpa","title":"Catalpa (Catalpa bignonioides) : plantation, taille et entretien"}