Hydrangea aspera (Rough-Leaved Hydrangea)


Botanical Information

FamilyHydrangeaceae
GenusHydrangea
Speciesaspera
CategoryWoody
TypeShrub (deciduous)
OriginCentral China, India, Nepal, Vietnam
Ethnobotanical Uses
Disclaimer
May cause upset stomach if ingested.

Details

USDA Hardiness Zone7
USDA Hardiness Ref.
Canadian Hardiness Zone6b - 7a
Canada Hardiness Ref.
RHS Hardiness ZoneH6 - H5
RHS Hardiness Ref.
Temperature (°C)-18 - (-12)
Temperature (°F)0 - 10
Height2.5 - 4 m
Spread1.5 - 2.5 m
Flowering PeriodJuly, August

Description and Growing Information

General DescriptionA deciduous shrub with flat flowering heads that contain a mix of fertile purple flowers and showy white, pink, or purple sterile outer flowers.
ShapeBushy habit.
LandscapeExcellent addition to a flower border or flower bed.
PropagationPropagate by softwood cuttings.
CultivationGrow in full sun or partial shade in a moist but well-drained soil.
PestsWatch out for aphids, capsid bug and hydrangea scale (Pulvinaria hydrangeae).
Notable SpecimensArnold Arboretum, Jamaica Plains, Massachusetts, United States of America. ,
Bark/Stem DescriptionPubescent shoots that become hairless and often peeling.
Leaf DescriptionLeaves are softly pubescent, lanceolate, to 25 cm in length, and are dark green above and paler beneath.
Flower DescriptionFlowers appear in flat corymbs to 25 cm across with a mixture of small, fertile, purple flowers and showy white, pink, or purple infertile outer flowers.

Photographs