Spring Transition at the Washington Park Arboretum

1)   Cornus mas                                                                            Cornelian Cherry

Photo of Cornelian Cherry

  • This yellow flowering tree that blooms in late winter to early spring, is native to southern Europe and southwestern Asia.
  • The common name refers to the fruit that matures in late summer.  The fruit has many cultural uses including jams, medicine, beverages, tools, and spears.
  • There is a grove of this Cornus at the Center for Urban Horticulture along NE 41st Street.  The Washington Park Arboretum received a transplant from the Seattle Center and can be seen next to the trail south of the cottage.

2)   Corylopsis sinensis  var. calvescens                            Chinese Winter Hazel

Photo of Chinese Winter Hazel

  • This large deciduous shrub currently has striking yellow fragrant flowers on bare stems.
  • Great Plant Picks, a local gardening website, has recognized Winter Hazels for its flower display.
  • Ours can be viewed on the north side of the bus turn around.



3)   Edgeworthia chrysantha   ‘Nanjing Gold’                                  Paperbush

Photo of Oriental Paper Bush

  • Paper Bush is a small deciduous shrub native to southwestern China, Nepal, and Japan.
  • The attractive yellow flowers on bare stems can be seen now in the Cascadia Garden. Please DO NOT trample this garden bed to take a picture!!!
  • This plant is named after Michael Pakenham Edgeworth (1812-1881), an amateur botanist traveling with the East India Company. Additional plants are named in his honor, including those in the genus Rhododendron, Impatiens, Primula, and Platanthera.

4)   Grevillea victoriae  ‘Marshall Olbrich’                            Mountain GrevilleaPhoto of Mountain Grevillea

  • Grevillea is a native plant of Australia. The Grevillea victoriae complex is currently under study to determine if different populations are separate species.
  • Clusters of red and orange flowers appear in the spring and create an attractive display for humans as well as a treat for hummingbirds.
  • Come enjoy this plant in the Australia collections.


5)   Magnolia sprengeri ‘Diva’                                                  Sprenger’s Magnolia

Photo of Sprenger's Magnolia

  • This large spring flowering deciduous tree is native to China.
  • Named after German botanist, Carl Ludwig Sprenger (1846-1917).  Sprenger had gardens in Naples that were destroyed during the Mount Vesuvius eruption (1906).
  • Wander down to the Camellia Collection and look up to view the large pink flower display of this Magnolia and others.