Volunteers Give Back on MLK Day of Service 2019 at the Union Bay Natural Area

“The time is always right to do what is right.” – Martin Luther King Jr.
While championing civil rights, Martin Luther King Jr. was also a strong advocate for environmental justice. In honor of MLK Day of Service 2019, over 30 dedicated volunteers came ready to work to help restore valuable habitat for wildlife in the Union Bay Natural Area (UBNA) at the Center for Urban Horticulture.
Selected Cuttings from the Witt Winter Garden at the Washington Park Arboretum

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.
Read moreWinter 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.
Fall Highlights of the Arboretum Creek

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.
Olive Olives: A Medley of Olive Family Members

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.
Read moreAutumn Colors Appear at the Washington Park Arboretum

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.
Late Summer Colors Appear at the Washington Park Arboretum

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.
Read moreIntern Spotlight: Ilea Howard

Ilea Howard is completing an internship with UW Botanic Gardens this summer. She is a student at Oregon State University where she’s majoring in sustainability and horticulture. The internship, which runs June through August, will provide her with credit hours and experience trying new things, such as driving a tractor!
Before starting work each day, Ilea puts on her work pants and sturdy hiking boots.
Early Summer Interests at the Washington Park Arboretum

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.
New Arbor Installed in the Seattle Garden Club Fragrance Garden

On June 7, a new centerpiece was installed to enhance the Seattle Garden Club Fragrance Garden at the Center for Urban Horticulture. This beautiful arbor, designed by Tim Sharp of Iron Design Center NW, was a gift from the Seattle Garden Club, who has supported the Fragrance Garden both financially and with volunteer garden care since its installation in 2007. The Garden was extensively renovated and enhanced in 2015, and the arbor completes the design elements envisioned at that time.
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