{"date":"0001-01-01T00:00:00Z","lastmod":"2026-05-31T22:27:37Z","params":{"author":"Sophie","categories":["Arbres fruitiers"],"climate":{"compatibility":{"continental":{"label":"possible avec emplacement abrité et suivi de l'eau en été","score":3},"mediterranean":{"label":"réservé aux situations fraîches, plutôt en altitude","score":2},"mountain":{"label":"bon comportement hors zones de gels tardifs marqués","score":4},"oceanic":{"label":"très bonne adaptation en sols profonds et frais","score":5},"tropical":{"label":"inadapté","score":1}},"hardiness":{"max_c":35,"min_c":-20},"usda":{"max":"9","min":"6"}},"complexity":{"global_score":3,"profile":{"beginner_friendly":false,"container_friendly":false,"indoor_friendly":false}},"description":"Guide complet pour cultiver le châtaignier: sol, exposition, plantation, arrosage, taille, pollinisation et récolte des châtaignes en France.","dimensions":{"height_cm":{"max":2500,"min":1e3},"spread_cm":{"max":1800,"min":800}},"draft":false,"environment":{"drainage":{"importance":"high","value":"drainé, sans eau stagnante en hiver"},"exposure":{"importance":"high","tolerance_score":3,"value":"soleil à mi-ombre claire"},"ph":{"max":7,"min":5.2},"soil":{"importance":"high","type":"profond, humifère, frais à modérément sec, non calcaire actif"},"soil_texture":["limoneux","limono-sableux","argilo-limoneux drainé"]},"families":["Fagaceae"],"ideal_conditions":{"drainage":{"importance":"high","value":"sol aéré, jamais asphyxiant"},"exposure":{"importance":"high","value":"plein soleil non brûlant, ou soleil du matin"},"ph":{"max":6.8,"min":5.5},"soil":{"importance":"high","value":"terre forestière riche en matière organique, ressuyée"},"spacing_cm":1e3,"temperature":{"importance":"medium","max_c":30,"min_c":-12},"watering":{"frequency":"apports profonds, espacés, avec paillage permanent","importance":"medium"}},"image":"chataignier.jpg","iscjklanguage":false,"jsonld":{"enabled":true,"type":"Taxon"},"lastmod":"2026-05-31T22:27:37Z","lifecycle":{"bloom_months":["juin","juillet"],"harvest_months":["septembre","octobre","novembre"],"planting_months":["novembre","décembre","janvier","février","mars"],"pruning_months":["février","mars"]},"outputs":["HTML","JSON"],"plant":{"common_name":"Châtaignier","family":"Fagaceae","genus":"Castanea","growth_rate":{"score":3,"value":"moyenne"},"lifecycle":"vivace ligneuse","origin":"Europe méridionale et Anatolie","scientific_name":"Castanea sativa","species":"sativa","type":"arbre fruitier caduc"},"risks":{"pests":{"sensitivity_score":3},"toxicity":{"severity_score":2,"value":"bogues très épineuses à la récolte; ne pas confondre les châtaignes comestibles avec les marrons d'Inde non comestibles"}},"seo":{"content_depth":"expert","difficulty_score":3,"keywords":["chataignier","Castanea sativa","planter un chataignier","entretien chataignier","taille du chataignier","recolte des chataignes","maladie de l'encre chataignier"]},"slug":"chataignier","summary":"Le châtaignier demande un sol profond non calcaire, un bon enracinement les premières années et une conduite légère pour produire durablement.","tags":["arbre fruitier","grand jardin","verger","arbre forestier"],"title":"Châtaignier (Castanea sativa) : plantation, entretien et récolte","type":"plant","uses":{"ecological":true,"edible":true,"medicinal":false,"ornamental":true},"water":{"drought_tolerance":{"score":3},"frequency":{"summer":"arrosez régulièrement les 2 à 3 premières années, puis seulement lors des sécheresses longues","winter":"pas d'arrosage en pleine terre sauf plantation récente et hiver sec"},"humidity":{"importance":"medium","value":"moyenne"},"needs":{"importance":"high","score":3,"value":"modérés"}}},"permalink":"https://plantes-de-jardin-gb.pages.dev/fr/plantes/chataignier/","relPermalink":"/fr/plantes/chataignier/","slug":"chataignier","title":"Châtaignier (Castanea sativa) : plantation, entretien et récolte"}