Pinus contorta var. contorta 'Spaan's Dwarf' (Spaan's Dwarf Shore Pine)


Michael's Opinion

'Spaan’s Dwarf' is a very uniquely shaped pine with multi-levelled branching adding visual interest to the landscape.

Botanical Information

FamilyPinaceae
GenusPinus
Speciescontorta
Varietycontorta
Cultivar'Spaan's Dwarf'
CategoryWoody
TypeShrub (evergreen)
ReferencesAndrews, Maya L. Shrubs Large and Small: Natives and Ornamentals for Midwest Gardens. Indiana: Indiana University Press, 2013. Bloom, Adrian. Gardening with Conifers. Willowdale, Ontario, Canada: Firefly Books ltd, 2002. Bitner, Richard L. Conifers for Gardens: An Illustrated Encyclopedia. Portland, Oregon: Timber Press Inc, 2007.
OriginDiscovered by nurseryman Jon Spaan near the shores of Longbeach, Washington, United States of America.
Pronunciation

Details

USDA Hardiness Zone5 - 8
USDA Hardiness Ref.
Canadian Hardiness Zone4a - 8a
Canada Hardiness Ref.
RHS Hardiness ZoneH4 - H7
RHS Hardiness Ref.
Temperature (°C)-29 - (-7)
Temperature (°F)-20 - 20
Height45 - 60 cm
Spread45 - 60 cm
GrowthSlow
Flowering PeriodAugust

Description and Growing Information

General DescriptionPinus contorta var. contorta 'Spaan's Dwarf' is a compact dwarf shrub with dense, thick branches and dark green needles.
ID CharacteristicBranches sweep out and up from the stem. Needles are short and slightly curved. Buds are characteristically brown and purple during winter.
ShapeSlightly conical with a round crown.
LandscapeUsed as a specimen plant or bonsai because of its unique form. Works well in rock and alpine gardens to lend variety.
CultivationGrow in full sun. Tolerant of poor soil conditions. Ideally, this shrub should be pruned to give the illusion of a natural appearance.
PestsNo known pests.
Notable SpecimensThe Oregon Garden's Conifer Garden, Silverton, Oregon, United States of America.
Bark/Stem DescriptionDark brown with small scales, coarsely textured.
Flower/Leaf Bud DescriptionLong, oval-shaped, golden yellow.
Leaf DescriptionNeedles are 3 - 7 cm long, flat and slightly curved, two per fascicle.
Flower DescriptionMale, golden-yellow, full of pollen, forming clusters.
Fruit DescriptionCones are 2 - 5 cm long and oval-shaped, brown turning slightly purple in winter. Some will naturally go to seed at maturity while others may take several years.
Colour DescriptionThe bark is dark brown, needles are a vibrant, dark green. Springtime flower buds are an intense golden yellow. In the summer, cones are light brown, developing a purple hue in winter.
Texture DescriptionCoarse.

Photographs