Amelanchier x grandiflora 'Princess Diana' (Princess Diana Apple Serviceberry)


Botanical Information

FamilyRosaceae
GenusAmelanchier
Speciesx grandiflora
Cultivar'Princess Diana'
SynonymsAmelanchier laevis 'Princess Diana', Amelanchier 'Princess Diana'
Patent NumberUS PP6041
CategoryWoody
TypeTree (deciduous), Shrub (deciduous)
OriginHybrid cross of two North American parents, A. arborea and A. laevis. 'Princess Diana' was discovered in a cultivated yard in Elm Grove, Wisconsin, the United States of America in the mid-1980s and patented on October 20th, 1987. Amelanchiers are sometimes referred to as Juneberries due to the berries appearing in that month.
Ethnobotanical Uses
Disclaimer
Berries taste like blueberries and are safe for human consumption but are typically and eagerly consumed by birds.

Details

USDA Hardiness Zone6b - 7a
USDA Hardiness Ref.
Canadian Hardiness Zone6
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-21 - (-15)
Temperature (°F)-5 - 5
Height4 - 8 m
Spread4 - 8 m
GrowthMedium
Flowering PeriodApril, May

Description and Growing Information

ShapeBushy, broad and upright.
LandscapeInformal hedge, cottage and informal gardens.
PropagationSemi-hardwood cuttings.
CultivationFull sun and partial-shade. Well-drained, moist, clay, sand and loam soils with acid and neutral pH.
PestsFireblight might be a problem.
Notable SpecimensThe A.M. Cuddy Gardens, Strathroy, Ontario, Canada.
HabitatHorticultural origin.
Bark/Stem DescriptionMedium-textured.
Leaf DescriptionOval-lanceolate with pinnate venation (secondary veins paired oppositely) and margins with fine serration pointing forward. 7.5 cm long.
Flower DescriptionPetals with splayed stamens in a star-shape surrounding the pistil. In terminal clusters.
Fruit DescriptionBlueberry-like, showy, spherical, 1 cm in diameter and edible. Appearing after flowers bloom, in June.
Colour DescriptionThe flowers are white. The fruit is purplish-blue in summer and reddish-yellow and orange. The foliage is pale bronze when young and turns to a dark green as it matures. The pistil is light green.

Photographs