{"date":"0001-01-01T00:00:00Z","lastmod":"2026-05-31T22:27:37Z","params":{"author":"Sophie","categories":["Arbustes"],"climate":{"compatibility":{"continental":{"label":"très rustique; planter plutôt au printemps en sol lourd","score":5},"mediterranean":{"label":"bonne avec arrosage de reprise et soleil non brûlant","score":3},"mountain":{"label":"bonne rusticité hors zones gorgées d'eau","score":4},"oceanic":{"label":"très bonne en sol drainé","score":5},"tropical":{"label":"peu adaptée à la chaleur humide continue","score":1}},"hardiness":{"max_c":35,"min_c":-25},"usda":{"max":"8","min":"4"}},"complexity":{"global_score":1,"profile":{"beginner_friendly":true,"container_friendly":true,"indoor_friendly":false}},"description":"Guide pratique pour réussir la spirée du Japon : exposition, sol, arrosage, taille en fin d'hiver, culture en pot et erreurs fréquentes.","dimensions":{"height_cm":{"max":150,"min":60},"spread_cm":{"max":160,"min":80}},"draft":false,"environment":{"drainage":{"importance":"high","value":"bon drainage, sans stagnation hivernale"},"exposure":{"importance":"high","tolerance_score":4,"value":"soleil à mi-ombre lumineuse"},"ph":{"max":7.8,"min":6},"soil":{"importance":"high","type":"ordinaire à humifère, frais mais drainé"},"soil_texture":["limoneux","argilo-limoneux drainé","sableux"]},"families":["Rosaceae"],"ideal_conditions":{"drainage":{"importance":"high","value":"indispensable en hiver"},"exposure":{"importance":"high","value":"soleil doux ou mi-ombre claire"},"ph":{"max":7.5,"min":6},"soil":{"importance":"high","value":"terre de jardin souple, fertile et drainante"},"spacing_cm":100,"temperature":{"importance":"medium","max_c":30,"min_c":-18},"watering":{"frequency":"suivi la première saison, puis ponctuel","importance":"medium"}},"image":"spiree.jpg","iscjklanguage":false,"jsonld":{"enabled":true,"type":"Taxon"},"lastmod":"2026-05-31T22:27:37Z","lifecycle":{"bloom_months":["juin","juillet","août"],"planting_months":["mars","avril","octobre","novembre"],"pruning_months":["février","mars"]},"outputs":["HTML","JSON"],"plant":{"common_name":"Spirée du Japon","family":"Rosaceae","genus":"Spiraea","growth_rate":{"score":3,"value":"moyenne"},"lifecycle":"vivace ligneuse","origin":"Asie orientale","scientific_name":"Spiraea japonica","species":"japonica","type":"arbuste caduc florifère"},"risks":{"pests":{"sensitivity_score":1},"toxicity":{"severity_score":1,"value":"arbuste ornemental non comestible; ingestion déconseillée"}},"seo":{"content_depth":"expert","difficulty_score":1,"keywords":["spiree","spirée du japon","Spiraea japonica","taille spiree","entretien spirée","quand tailler une spirée","spirée en pot"]},"slug":"spiree","summary":"La spirée du Japon est un arbuste rustique et facile, florifère en été, qui réussit au soleil ou en mi-ombre lumineuse dans un sol drainé.","tags":["floraison estivale","arbuste caduc","soleil","haie libre"],"title":"Spirée du Japon (Spiraea japonica) : 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":"modérés"}}},"permalink":"https://plantes-de-jardin-gb.pages.dev/fr/plantes/spiree/","relPermalink":"/fr/plantes/spiree/","slug":"spiree","title":"Spirée du Japon (Spiraea japonica) : plantation, taille et entretien"}