Carya illinoiensis

Vernacular name: 
Pacanier, Noix de Pécan
Famille: 
Juglandaceae

Pecan nut. Tree of the walnut family with a slender crown and yellow leaves in autumn. Height of 30m.

Classification

Trees and shrubs

Climat

Zone 7: from -17°C to -12°C

Couleur de feuille

  • Yellow
  • Green

Exposition

  • Sunny
  • Part shade

Size

20 to 30m
10 to 15m

Intérêts remarquables

  • Foliage
  • Fruit

Plante intéressante

  • In autumn

Type de sol

  • Limestone
  • Neutral

Utilisation ailleurs

  • Food - Fruit

Utilisation au jardin

  • Massif
  • Park

DESCRIPTION GENERALE

  • ORIGIN: Native to North America.
  • CLIMATE: Withstands -15°C
  • EXPOSURE: Sunny.
  • SOIL:
  • GROWTH: Normal.
  • PATHOLOGY:
  • PROPAGATION: Sowing.
  • PRUNING:
  • USE: The pecan tree can be cultivated both as an ornamental tree and as a fruit tree.
  • MERITE:

GENERAL PHYSIOLOGY

  • DIMENSIONS: Mature height 30m.
  • PORT: Large tree.
  • TRUNK:
  • BARK:
  • BRANCHES :
  • NOTE:

PHYSIOLOGY OF LEAVES

  • SHAPE: Elongated leaves, comprising 11 to 13 leaflets.
  • COLOUR: Green in colour, they then take on a lovely golden hue in the fall.
  • NOTE: Its leaves are deciduous.

PHYSIOLOGY OF FLOWERS

  • TIME: March to May.
  • FORM: From the end of March, the male flowers appear as long, yellow spikes. These are followed by the formation of young shoots and then by inconspicuous female flowers. Although the male and female flowers are borne on the same tree, their flowering periods differ.
  • COLOUR: Light yellow.
  • NOTE: If the goal is to obtain fruit, it is advisable to plant two plants to allow for cross-pollination and better fruiting.

PHYSIOLOGY OF FRUIT

  • TIME: August-November.
  • SHAPE: The fruit of the pecan tree is a drupe, with a fleshy outer shell.
  • COLOUR: Green.
  • NOTE: Requires long, hot summers to bear fruit. The pecan nut, with a taste similar to a walnut, has a smoother kernel. Fruiting occurs on 5-year-old trees.