Érable du Japon (Acer palmatum)

Publié lundi 28 janvier 2013 Commenter 22
Érable du Japon

Sommaire

Érable du Japon : en bref

Nom scientifique
Acer palmatum
Provenance / Origine
Japon, Chine, Corée
Période de semi
Mars, après stratification
Période de floraison
Printemps
Couleur de floraison
Rougeâtre
Température
Résiste jusqu'à -25°C
Exposition à la lumière
Plein soleil à mi-ombre
Reproduction
Marcottage, bouturage (mai - juin)
Hauteur
4 à 8m
Acidité du sol
Acide (pH autour de 5)
Entretien
Tailles ponctuelles, arrosage
Type biologique
Vivace
Maladies
Verticilliose (champignon)
Type de feuillage
Caduc
Insectes et animaux ravageurs
Cochenilles

Classification de la plante

Règne
Plantae
Sous-règne
Tracheobionta
Division
Magnoliophyta
Classe
Magnoliopsida
Sous-classe
Rosidae
Famille
Aceraceae

Un arbre rustique

L’érable du Japon est un arbre rustique qui ne nécessitera que peu d’attention de votre part. Il se plaira planté en terrain acide, au soleil mais supportera bien l’ombre. Il n’est pas sensible au gel (résistance jusqu’à -25°C généralement) sauf éventuellement ses racines ; en bac (voire même en pleine terre), on peut les protéger par un paillage en hiver. De même, il vaut mieux le planter à l’abri des vents froids. Enfin, en été, ne négligez pas un arrosage important car il craint la sécheresse.

Morphologie et esthétique

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L’esthétique de l’érable du Japon réside dans son feuillage et ses différentes colorations. Les feuilles sont palmilobées et la coloration dépend des variétés et des cultivars. ‘Atropurpureum’ et ‘Bloodgood’ ont ainsi un feuillage rouge pourpre, ‘Butterfly’ a un feuillage panaché vert et crème, etc. Les feuilles comportent 5 à 7 lobes, moins que l’autre érable du Japon (Acer japonicum : 7 à 11 lobes).

Le port érigé de Acer palmatum permet de le planter seul ou en massif ornemental. Sa taille fait qu’il accompagnera facilement des azalées ou rhododendrons, qui eux aussi poussent en terre de bruyère. Il existe des variétés naines permettant de réaliser des bonsaïs.

Multiplication

La technique la plus simple est le marcottage, il suffit de coucher une branche basse au niveau du sol et des racines adventives pourront se développer. Si vous souhaitez semer, il faut prendre plus de précautions, et notamment stratifier les graines au froid humide au moins une semaine au préalable (disposez les graines entre des couches de sables humides et maintenez l’ensemble au frais pour rendre les téguments perméables). Enfin, un éventuel bouturage doit être réalisé assez tôt, en mai ou juin généralement, et peut nécessiter l’ajout d’hormones (acide bêta-indole butyrique [AIB] par exemple).

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I have a young one in a shady spot that is being invaded by other plants (previous owners have done this, haven't had time to switch) and it has held up well. I have neighbors in our community who have beautiful specimens in full sun most of the time. I have seen all kinds of Japanese maples. Before covid, My company sponsors me on an international trip to Japan. I am a Senior Developer for a Cv writing company. I enjoyed this trip.
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I have a young one in a shady spot that is being invaded by other plants (previous owners have done this, haven't had time to switch) and it has held up well. I have neighbors in our community who have beautiful specimens in full sun most of the time. I have seen all kinds of Japanese maples. Before covid, My company sponsors me on an international trip to Japan. I am a Senior Developer for a https://www.cvmasters.co.uk/ I enjoyed this trip.
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I have a young one in a shady spot that is being invaded by other plants (previous owners have done this, haven't had time to switch) and it has held up well. I have neighbors in our community who have beautiful specimens in full sun most of the time. I have seen all kinds of Japanese maples. Before covid, My company sponsors me on an international trip to Japan. I am a Senior Developer for a https://www.cvmasters.co.uk/ I enjoyed this trip.
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