Parthenocissus tricuspidata (Boston Ivy)


Michael's Opinion

A very vigorous vine grown primarily for its foliage and autumn colour. Its glossy green leaves and autumn colour of yellow orange is quite striking.

Botanical Information

FamilyVitaceae
GenusParthenocissus
Speciestricuspidata
CategoryWoody
ReferencesMost garden centres
OriginEast Asia.
Pronunciation

Details

USDA Hardiness Zone4 - 8
USDA Hardiness Ref.
Canadian Hardiness Zone2a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH7 - H4
RHS Hardiness Ref.
Temperature (°C)(-32) - (-7)
Temperature (°F)(-25) - 20
Height15-25 m
Spread10-12 m
GrowthFast
Flowering PeriodJune

Description and Growing Information

General DescriptionLow growing ivy that will attach itself to walls with little brown rootlets. It has good colour and is very hardy.
ID CharacteristicDark glossy, palmate leaves that are up o 15cm across. Fruit appears in late summer and looks like miniature black grapes.
ShapeVine, sprawling.
LandscapeOften seen on old buildings, it is a suitable vine softening the look of bare walls including highway sound barriers.
PropagationIt can be propagated by bare root, containers, cuttings, and by seed.
CultivationFull to light shade, and fertile to loamy soil.
PestsCanker, leaf spots, powdery mildew, wilt, downy mildew, leaf hoppers, beetles and scale maybe problems.
Notable SpecimensThe University of Western Ontario, London, Ontario.
HabitatEast Asia, and mid to northern parts of North America
Bark/Stem DescriptionBrown to sandy brown-grey.
Flower/Leaf Bud Description2-3 exposed scales, sessile, brownish and often collateral.
Leaf Description3 lobed leaves, which are cordate-oval and crenate or undulate along the margins. Glossy on the upper surface and pale dull green below.
Flower DescriptionGreen and not conspicuous.
Fruit DescriptionThe colour of the fruit is bluish black. The fruit appears in September through October. The fruit produces 2-3 seeds, and is .5cm in size.
Colour DescriptionIn the summer it is dark green and in the autumn it can range from dark green, burgundy, dark red, to orange red.
Texture DescriptionBold, because of its large glossy leaves.

Photographs