Selections from the Camellia Collection at the Washington Park Arboretum

Selections from the Camellia Collection at the Washington Park Arboretum, March 11 - 24, 2019

1)   Camellia japonica  ‘Willmeta’ This light pink Camellia is reminiscent of an apple blossom. Will and Meta Jensen brought this cultivar with them as a seedling from Holland and the specific epithet is a combination of their first names. 2)   Camellia japonica  ‘Amabilis’ This white Camellia has impressively large single blossoms. ‘Amabilis’ is a French cultivar originating in Nantes in the 1820s. 

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Early Flowering Rhododendrons at the Washington Park Arboretum

Selected cuttings from the Washington Park Arboretum, January 21, 2019 - February 3, 2019

1)  Rhododendron arboretum hybrid This Rhododendron, located in the Joseph A. Witt Winter Garden, dutifully produces its blooms of bright rose in the dark of winter. The UW Botanic Gardens’ database has records of it blooming in December, January, and February. 2)  Rhododendron floribundum Native to the southern central area of China, and was first described by Adrien René Franchet. Franchet was a French botanist who was noted for his extensive work describing the flora of China and Japan, based on the collections made by French Catholic missionaries in China – Armand David, Pierre Jean Marie Delavay, Paul Guillaume Farges, Jean-André Soulié, and others. 

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Selected Cuttings from the Witt Winter Garden at the Washington Park Arboretum

Selected cuttings from the Witt Winter Garden at the Washington Park Arboretum (December 31, 2018 - January 13, 2019)

1)   Chimonanthus praecox                          Wintersweet The light yellow flowers are debatably the sweetest of the Witt Winter Garden. Wintersweet is highly cultivated in China where the flowers are used in teas and herbal remedies despite the fact that the seeds are poisonous. Also in China, the flower petals are used in potpourri and to scent linen. 2)   Cornus sanguinea ‘Midwinter Fire’                          Midwinter Fire Dogwood Cornus sanguinea is native to Europe. 

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Winter Interest at the Washington Park Arboretum

1)  Camellia sasanqua                          Sasanqua Camellia This glossy evergreen shrub with attractive flowers is native to China and Japan. There are many cultivated varieties of this species with the first ones being recorded from Japan around 1700. Over 15 varieties reside in our Camellia Collections. The plant was valuable to early Japan as the leaves were used for tea and the seeds used to make tea seed oil. 

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Fall Highlights of the Arboretum Creek

Selected cuttings from the Washington Park Arboretum, (November 13 - 26, 2018)

1)  Taxodium distichum                           Bald Cypress This deciduous conifer in the family, Cupressaceae grows in marshy and seasonally inundated soils. Bald Cypress are famous for their “knees”, woody conical projections that emerge from the soil. The purpose of these knees is still not entirely known.  Some speculate they help oxygenate the roots or provide stability in the often loose swampy soils this species prefers. 

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Olive Olives: A Medley of Olive Family Members

Selected cuttings from the Washington Park Arboretum, October 29, 2018 - November 11, 2018

1)  Chionanthus virginicus                          Fringetree This deciduous small tree or shrub is native to the southeastern United States. Its common name refers to the slightly fragrant, spring-blooming flowers which feature airy, terminal, and drooping clusters (4-6″ long) of fringe-like, creamy white petals. This cutting came from a shrubby specimen located east of the Arboretum Loop Trail and north of the Viburnums. 2)  Fraxinus americana ‘Rosehill’                          White Ash This White ash cultivar ‘Rosehill’ is a seedless, broad-conical cultivar that typically grows 35-50’ tall. 

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Autumn Colors Appear at the Washington Park Arboretum

Selected cuttings from the Washington Park Arboretum, October 1 - 14, 2018

1)  Viburnum rhytidophyllum                     Leatherleaf Viburnum This large evergreen shrub grows to 6-10 feet and is native to central and western China. Fragrant creamy-white clusters of flowers emerge in spring, followed by berries in the fall that first appear red and change to glossy black. You can view this shrub along the east side of the Arboretum Loop Trail in the Viburnum Collection. 

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Late Summer Colors Appear at the Washington Park Arboretum

Close-up photo of Castenea crenata fruit

1)  Castanea crenata                     Japanese Chestnut Though it is one of the smaller species of chestnut, C. crenata is still a valued food tree in its native Japan. Ordinarily the nuts are also smaller than those of the European varieties. This specimen is located on the east side of our field nursery along the gravel path. 2)  Cephalotaxus harringtonia var. ‘Nana’           Dwarf Plum Yew Native to the forest understories of eastern Asia, this small, evergreen shrub is known to thrive in semi-shaded places rather than in full sunshine. 

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Early Summer Interests at the Washington Park Arboretum

Selected cuttings from the Washington Park Arboretum, (July 16 - 29, 2018)

1)  Corylus colurna                     Turkish Hazelnut or Filbert The Turkish Hazelnut is native to southeastern Europe into western Asia. In summer, edible nuts are produced inside dramatically styled husks. The Turkish Filbert can be found along Foster Island Road, opposite the Broadmoor gatehouse. 2)  Hydrangea macrophylla ‘Sumida-no-hanabi’                     Bigleaf Hydrangea ‘Sumida-no-hanabi’ translates to “fireworks over the Hanabi River”. This wonderful hydrangea can be found in the Centennial Garden along Azalea Way. 

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