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Amelanchier lamarckii

Amelanchier lamarckii has received the RHS Award of Garden Merit

This North American species of Amelanchier has perhaps the most glorious and exuberant autumn leaf colours of any Amelanchier. In a good autumn (with warm days and cold nights) the leaves should take on a bright orange and coral red colours.

The tree is also very attractive in spring. Clusters of flower buds appear in March, gradually opening to large single white flowers which cover the bare branches.  The leaves emerge after the flowers, initially a coppery brown, then turning green for the summer.

Fruitlets quickly form from the flowers, and by June there is usually a reasonable crop of blue/black berries.  These are edible, but also attractive to birds.

Amelanchier lamarckii tends to grow with a very broad spreading bush-like habit. The leaves break up the light rather than blocking it, so this is a good choice for small gardens.

Amelanchier lamarckii amelanchier trees for sale

  • 11-year bare-root tree £32.00
    Large size (3m-5m after 10 years)
  • 22-year pot-grown tree £56.00
    In a 7L pot
    Large size (3m-5m after 10 years)
  • 32-year pot-grown tree £65.00
    In a 12L pot
    Large size (3m-5m after 10 years)
Pre-order now for delivery from September onwards for pot grown trees or December for bare-root trees and mixed orders.

How to grow

Amelanchier lamarckii prefers well-drained soil but will tolerate damp conditions and acidic soils.

History

The species Amelanchier lamarckii most likely originates from North America but there is much confusion about where it fits into the genus Amelanchier, as it is very similar to Amelanchier canadensis and Amelanchier laevis, and may be a hybrid of those species.

Amelanchier lamarckii characteristics

  • Gardening skillBeginner
  • AwardsRHS AGM (current) 1993
  • Attractive featuresAttractive flowersAutumn foliage colour
  • Growth habitUpright-spreading / Vase
  • Height after 10 years3m-5m / 10ft-16ft
  • Site conditionsOccasional floodingFree-draining site
  • WildlifeAttractive to birds
  • Flower colourWhite
  • Flower formSingle flower (5-8 petals)
  • Flowering monthApril
  • Leaf colourGreen
  • Leaf colour - autumnOrange / Red
  • Leaf/Flower sequenceFlowers appear first
  • Fruit colourBlackPurple
  • Fruit persistenceRipens over a period
  • Country of originUnited States
  • Annual cycleDeciduous