Hydrangea macrophylla 'PIIHM-II' (Endless Summer® Bloomstruck™ Hydrangea)


Botanical Information

FamilyHydrangeaceae
GenusHydrangea
Speciesmacrophylla
Cultivar'PIIHM-II'
Registered NameEndless Summer®
Tradmarked NameBloomstruck™
CategoryWoody
TypeShrub (deciduous)

Details

USDA Hardiness Zone4 - 9
USDA Hardiness Ref.
Canadian Hardiness Zone2 - 8
Canada Hardiness Ref.
RHS Hardiness ZoneH7 - H4
RHS Hardiness Ref.
Temperature (°C)-35 - (-7)
Temperature (°F)-30 - 20
Height1.2 m
Spread1.5 m
GrowthMedium
Flowering PeriodJune, July, August, September

Description and Growing Information

ShapeForms a rounded mound.
CultivationGrow in full sun or partial shade, in any well-drained, moist soil. This cultivar is especially heat tolerant. As blooms occur on both new and old wood it is important not to prune too harshly when shaping.
HabitatHorticultural origin.
Bark/Stem DescriptionStems are strong and red-purple in colour.
Leaf DescriptionLeaves are dark green with red veins turning burgundy in autumn.
Flower DescriptionFlowers bloom in large mopheads that are 6-12.5 cm in diameter, and can be a variety of colours, from rose-pink to violet to blue.

Photographs