cornus kousa big apple

Description de l'arbre

Arbuste de croissance lente.
Jusqu'à 7 m de haut pour 5 m d'étalement, mais souvent plus petits dans les jardins.

Floraison : grosses bractées blanches entourant la petite fleur centrale.

Description du fruit

Très larges fruits (3-4 cm de large), ressemblant à une arbouse (Arbutus unedo) ou à une fraise (avec beaucoup d'imagination).

Avantages

Très gros fruits, restent longtemps sur l'arbre (octobre)

Origine de la variété (obtenteur, origine géographique pour les variétés locales...)

Arnold Arboretum de Polly Hill, Vineyard Haven, Massachusetts
http://www.pollyhillarboretum.org/plant-intro.shtml

Semis par Mme Polly Hill en 1960. Graines issues de Pennsylvanie (Cf. ce dessous).

Complément d'informations

Arroser ou pailler copieusement en été si le sujet est en plein soleil.

Très rustique, mais n'aime pas les sols argileux et pauvres.

Polly Hill grew this plant from seed she received in 1960 form Mr. M.M. Brubaker of Pennsylvania . She grew, selected and introduced it herself. Polly wrote a little bit about each of the 80 or so different plants she introduced and the following is what she wrote for Cornus kousa ‘Big Apple’.

“This large-fruited oriental dogwood was grown from seed in 1960, a gift of M. M. Brubaker of Chadds Ford , Pennsylvania . His Cornus kousa trees were carefully selected by Maryland nurseryman, Henry Hohman. After the seeds germinated in May of 1961 they were planted in the nursery. During the winter of 1961-1962 mice ate the terminal buds of nearly all the biggest and best. Nevertheless the remaining seedlings were planted in a row to line a path through two fields, visible from the State Road . It was William Frederick’s suggestion that there should be a double row, thus creating the “Kousa Allée". The selection ‘Big Apple’ is number 8 on the East Side . The white 4½- to 5-inch wide flowers open in June, and the extra-large fruit measures 13.8 inches (3 ½ cm. across), resembling a round strawberry hanging from a long stem (pedicel). The leaf is extra heavy and deep green. The tree’s form is spreading and low, with heavy branches. ‘Big Apple’ is as fine a sight in fall in fruit as it is in June in flower. The oriental dogwood fruit is edible, though insipid; flavor varies from tree to tree.”



Periode de floraison : Juin -
Periode de conservation : Novembre -

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