May Color Appears at the Washington Park Arboretum (Part II)

1) Aesculus pavia   (Red Buckeye) Deciduous shrub to 8 – 12 feet Native to southern U.S. Located along Lake Washington Boulevard near the Japanese Garden 2) Cornus alternifolia   (Alternate Leaf Dogwood) Small tree to 20 feet Native to eastern North America Located between Loderi Valley and Azalea Way 3) Illicium henryi   (Henry Anise Tree) Small tree to 10 – 15 feet Native to western China Located near the Asiatic Maples and the Rhododendrons seedling bed 4) Pterostyrax psilophylla   (Small Epaulette Tree) Deciduous tree up to 45 – 50 feet Native to central China Located behind Azalea Way (bed H) 5) Sinojackia rhederiana   (Jack Tree) Small tree or shrub reaching heights of 15 – 20 feet Native to southeast China Located near the Rhododendron Glen parking lot 

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May Color Appears at the Washington Park Arboretum

1)   Rhododendron luteum Also called Yellow Azalea or Honeysuckle Azalea. Despite the sweet perfume, the nectar is toxic. Records of people poisoned by eating the honey date back to 4th century B.C. Cultivated both as an ornamental and as root stock. 2)   Laburnocytisus adamii Also known as Adam’s laburnum or broom laburnum. Considered a horticultural curiosity, some branches produce yellow flowers while other branches produce coppery-pink flowers. 

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April Color Appears at the Washington Park Arboretum (Part II)

1)  Azara lanceolata An evergreen shrub with arching branches and lance-shaped leaves, A. lanceolata bears clustered yellow flowers in mid to late spring. Native to South America, Azaras is a genus of 10 species within the family, Flacourtiaceae. Located in the double lot on the east side of Arboretum Drive. 2)  Cercis siliquastrum   (Judas-tree) A deciduous tree usually of low, bushy habit, C. 

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April Color Appears at the Washington Park Arboretum

1) Camellia japonica ‘Drama Girl’ Hybridized in 1950, this winner of the RHS Award of Garden Merit has very large, semi-double, deep salmon rose pink flowers. Located in the Camellia Collection on the east side of Arboretum Drive. 2) Ilex aquifolium ‘Ferox Argentea’ (Hedgehog Holly) This holly is a large, bushy evergreen shrub with small, spiny leaves whose upper surfaces as well as the margins are broadly-edged with creamy white. 

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March Color Appears at the Washington Park Arboretum (Part II)

1)   Berberis darwinii Darwin’s barberry is one of the showiest of the genus with striking orange flowers opening from red buds. Unlike most other Berberis (including our native species), Berberis darwinii produce sweet fruit in the fall. A large mass can be found in the Chilean entry garden in Pacific Connections, as well as the Chilean hillside along Lake Washington Boulevard. 

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March Color Appears at the Washington Park Arboretum

1)  Coriaria napalensis This is one of three species of Coriaria in the Arboretum. It is growing near Azalea Way, north of the Pine Collection (grid 23-1W). Our other two species are C. japonica in Rhododendron Glen and C. sarmentosa (a New Zealand native) on Arboretum Drive in grid 11-7E. 2)  Lindera obtusiloba Native to China, Japan, and Korea L. obtusiloba is most noted for its early spring flowers, but also has rare fall color (pure yellow) on its openly-spreading form. 

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February Color Appears at the Washington Park Arboretum: "Excellent Evergreens"

1) Eucalyptus pauciflora ssp. niphophila    (Alpine Snow Gum) Known for distinct blue-green foliage Slower growing than other Eucalyptus species Located north of the Pacific Connections Garden, east of the Lookout parking lot 2) Lithocarpus densiflorus    (Tanbark Oak) Native to California and southern Oregon, easily grown in Seattle Highly susceptible to Sudden Oak Death Found north of Rhododendron Glen 3) Maytenus boaria    (Mayten Tree) Known for fine textured foliage Native to Chile Located near Rhododendron Glen and the Camellias 4) Quercus suber    (Cork Oak) Corky bark harvested for wine corks and dartboards Native to Spain and Portugal Found near along Arboretum Drive near the Giant Sequoias 5) Sycopsis sinensis    (Chinese Fighazel) A relative of the witch hazel Extremely rare in Seattle Located near Pacific Connections Australia Entry Garden 

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Plants and Birds! A Preview of the Arboretum Foundation Display Garden at the NW Flower and Garden Show

1) Arbutus menziesii    (Pacific Madrone) Found throughout the west coast of North America. The bark is a rich orange that peels away on mature wood. Mature trees provide nesting cavities for birds. Many birds feed on the berries including American Robins, Cedar Waxwings and Varied Thrush. 2) Corylus maxima   ‘Atropurpurea Superba’ The purple leaf filbert is known for its beautiful burgundy foliage and festive catkins. 

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January Color Appears at the Washington Park Arboretum (Part II)

Selected cuttings from the Washington Park Arboretum (January 17 – 31, 2012) 1)  Camellia sasanqua    ’Shichi Fukujin’ An upright to spreading shrub or small tree with elliptical, dark green leaves and bearing single cup-shaped flowers, C. sasanqua is one of many camellia species native to Japan. Known to flower early in the season when colors are greatly appreciated, it is considered a less spectacular shrub than the spring-flowering C. 

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