Acer saccharinum 'Wieri' (Cutleaf Silver Maple)


Michael's Opinion

Considerable speed and vigorous growth results in fast shade. Can tolerate harsh conditions and lack of care for all you lazy tree enthusiasts. However, this tree is soft wooded,therefore can be somewhat prone to damage.

Botanical Information

FamilySapindaceae (Aceraceae)
GenusAcer
Speciessaccharinum
Cultivar'Wieri'
CategoryWoody
TypeTree (deciduous)
Pronunciation

Details

USDA Hardiness Zone3
USDA Hardiness Ref.
Canadian Hardiness Zone1
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-40 - (-35)
Temperature (°F)-40 - (-30)
Height11-15 m
Spread8 m
GrowthFast
Flowering PeriodJune

Description and Growing Information

General DescriptionA drought tolerant landscape tree that can grow up to 21 m. Requires little care but can still thrive. Possesses similar characteristics to A. saccharinum.
ID CharacteristicLeaf formation and shape is quite similar to A. saccharinum, but leaves are much thicker, contain a waxier cuticle, are smaller then A. Saccharinum, and have larger lobes. Undersides of leaves are silver, with flowers possessing a slightly yellow, orange/green tinge to their appearance. Bark is thickly formed and has significant ridging.
ShapeProne to forming a somewhat low pendulous canopy. Lower limbs tend to droop; with a rounded crown.
PropagationSoftwood cuttings work with a high degree of success.
CultivationSummer pruning seems to work best. Will grow in a diverse variety of mediums but will ultimately thrive in a moist clay type soil.
PestsVerticilium wilt.
HabitatHorticultural origin.
Bark/Stem DescriptionThick bark, coloured dark brown to grey, rigid and somewhat furrowed.
Flower/Leaf Bud DescriptionCompact clusters of buds appear coloured redish brown, but slightly more red then A. saccharinum
Leaf DescriptionLeaves are simalar to that of A. saccharinum, but are thicker and more deeply cut. Waxier cuticle and slightly smaller than A. saccharinum.
Flower DescriptionForm in tight clusters of monoecious flowers. Flowers go from green to light yellow, and are fairly small and usually shaped for A. saccharinum.
Fruit DescriptionForms a samara of redish brown, and green in colour. Fruit develops in tight clusters sub horizontally. It is significant to note that A. saccharinum 'Wieri' and A. saccharinum both possess some of the largest fruit sets of any known maple.
Colour DescriptionHigh presence of xenthophyl pigments in autumn leaf colour, producing a reasonably attractive yellowish orange. Green in spring/summer season with silver undersides.
Texture DescriptionMedium in leaf; has the tendency to appear relatively disheveled in winter.

Photographs