{"date":"0001-01-01T00:00:00Z","lastmod":"2026-05-31T22:27:37Z","params":{"author":"Sophie","categories":["Vivaces"],"climate":{"compatibility":{"continental":{"label":"excellente rusticité et bonne production","score":5},"mediterranean":{"label":"possible avec arrosages réguliers et paillage","score":3},"mountain":{"label":"bonne rusticité, cycle un peu plus court","score":4},"oceanic":{"label":"très bonne tenue, avec surveillance des limaces au démarrage","score":4},"tropical":{"label":"chaleur humide peu favorable à une bonne tubérisation","score":1}},"hardiness":{"max_c":35,"min_c":-25},"usda":{"max":"9","min":"3"}},"complexity":{"global_score":2,"profile":{"beginner_friendly":true,"container_friendly":true,"indoor_friendly":false}},"description":"Guide pratique pour réussir le topinambour au potager : plantation des tubercules, exposition, sol, arrosage, récolte, conservation et contrôle de l'expansion.","dimensions":{"height_cm":{"max":300,"min":150},"spread_cm":{"max":120,"min":60}},"draft":false,"environment":{"drainage":{"importance":"high","value":"drainé, sans stagnation durable"},"exposure":{"importance":"high","tolerance_score":2,"value":"plein soleil"},"ph":{"max":7.8,"min":6},"soil":{"importance":"high","type":"ordinaire à fertile, profond"},"soil_texture":["limoneux","sablo-limoneux","argilo-limoneux léger"]},"families":["Asteraceae"],"ideal_conditions":{"drainage":{"importance":"high","value":"bon drainage pour éviter la pourriture des tubercules"},"exposure":{"importance":"high","value":"soleil direct au moins la moitié de la journée"},"ph":{"max":7.5,"min":6},"soil":{"importance":"high","value":"terre meuble, assez profonde, enrichie légèrement en matière organique"},"spacing_cm":60,"temperature":{"importance":"medium","max_c":30,"min_c":-20},"watering":{"frequency":"régulier au démarrage, ponctuel ensuite selon la sécheresse","importance":"medium"}},"image":"topinambour.jpg","iscjklanguage":false,"jsonld":{"enabled":true,"type":"Taxon"},"lastmod":"2026-05-31T22:27:37Z","lifecycle":{"bloom_months":["août","septembre","octobre"],"harvest_months":["octobre","novembre","décembre","janvier","février","mars"],"planting_months":["février","mars","avril"],"pruning_months":["novembre","février","mars"]},"outputs":["HTML","JSON"],"plant":{"common_name":"Topinambour","family":"Asteraceae","genus":"Helianthus","growth_rate":{"score":4,"value":"rapide"},"lifecycle":"vivace","origin":"Amérique du Nord","scientific_name":"Helianthus tuberosus","species":"tuberosus","type":"vivace tubéreuse comestible"},"risks":{"toxicity":{"severity_score":2,"value":"plante comestible, mais une consommation importante peut causer des inconforts digestifs chez les personnes sensibles à l'inuline"}},"seo":{"content_depth":"expert","difficulty_score":2,"keywords":["topinambour","Helianthus tuberosus","planter le topinambour","culture du topinambour","récolte du topinambour","topinambour envahissant"]},"slug":"topinambour","summary":"Le topinambour est un légume vivace très rustique, productif en plein soleil et sol drainé, à condition de surveiller son expansion et de récolter régulièrement les tubercules.","tags":["potager","tubercules","plein soleil"],"title":"Topinambour (Helianthus tuberosus) : plantation, culture et récolte","type":"plant","uses":{"ecological":true,"edible":true,"medicinal":false,"ornamental":true},"water":{"drought_tolerance":{"score":3},"frequency":{"summer":"arrosez surtout après plantation et pendant les longues périodes sèches, puis espacez","winter":"aucun apport en pleine terre, laissez les pluies faire hors sol détrempé"},"humidity":{"importance":"medium","value":"moyenne"},"needs":{"importance":"medium","score":3,"value":"modérés"}}},"permalink":"https://plantes-de-jardin-gb.pages.dev/fr/plantes/topinambour/","relPermalink":"/fr/plantes/topinambour/","slug":"topinambour","title":"Topinambour (Helianthus tuberosus) : plantation, culture et récolte"}