4. Les hortensias japonais
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Hydrangea serrata 'Shikoubai'
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Hydrangea macrophylla 'Ki Fukurin Konpe'
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Hydrangea serrata 'Crug Cobalt'
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Hydrangea serrata 'Seiryo' CBJP1054
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Hydrangea involucrata 'Yokudanka'
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Hydrangea macrophylla 'Uzu Ajisai' (=Ayesha)
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Hydrangea serrata 'Bleu-rose de Tokyo'
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Hydrangea serrata 'Ohisi'
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Hydrangea serrata 'Benigaku'
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Hydrangea serrata 'Obuse' CBJP1019
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Hydrangea serrata var.amagiana
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Hydrangea serrata 'Fugen no Hana'