Pittosporum (Pitta=pitch, Sporum=seed) : August 17 – 30, 2015
Native to New Zealand (and Australia, Asia, and Africa). Flowers are sweetly scented and seeds are coated with a sticky substance giving the plant its name, pitch-seed.
All plants below can be seen growing in the New Zealand Forest in the Pacific Connections Garden.
1) Pittosporum eugenioides Lemonwood
New Zealand’s tallest Pittosporum, P. eugenioides can reach 40 feet.
Its yellow-green leaves with curly edges have a strong scent of lemon when crushed.
Leafless in Seattle
1) Clematis afoliata
Native to the dry, eastern side of New Zealand.
Now growing in our New Zealand Focal Forest.
Eventually becomes a wiry mound with fragrant spring flowers.
2) Hakea epiglottis
Native to Tasmania and growing outside our Education Office.
Hakea needs sun and dry, infertile soil.
The round “stems” are true leaves despite their appearance.
3) Phyllocladus aspleniifolius
Another Tasmanian native, this tree prefers moist lowlands.
Read moreMy First Free Weekend Walk
How does a teenager experience a tour of the Washington Park Arboretum? Read about it first-hand from our summer communications volunteer.
Read moreBig Big Flowers
The Magnolia grandifloras in our collection are blooming now! Who doesn’t love a 12-inch wide flower that smells great? The commonly named Southern Magnolia or Bull-Bay is native to the SE United States from Eastern Texas, along the lower Gulf Coast to the Atlantic where it grows in loamy soils near water. It has proven to be very adaptable to different soils and this has allowed for its ability to be cultivated in many different climates.
Read moreGlimpse into the past – Dreams of an Arboretum at the University of Washington
Read the story behind the development of a University of Washington arboretum in Washington Park.
Read moreJuly Color Appears at the Washington Park Arboretum
1) Itea ilicifolia Holly-leaved Sweet Spire
Native to western China
Evergreen shrub growing up to 16 feet tall and 10 feet wide
Bears fragrant racemes of greenish-white flowers in late summer and fall
Located west of the Magnolia Collection near the south end of the Asiatic Maples
2) Lomatia myricoides Long-leaf Lomatia
Native to New South Wales in southeastern Australia
One of the hardier members of the Proteaceae
Honey-scented white flowers are much visited by bees in summer
Located across Arboretum Drive from the New Zealand Focal Forest
3) Pterocarya stenoptera Chinese Wingnut
Native to China
Deciduous tree to 70 feet or greater, with a trunk diameter as large as 8 feet
Located west of Azalea Way, north of Loderi Valley
4) Quercus vacciniifolia Huckleberry Oak
Native to western North America, mountains of the Sierra Nevada and southern Cascade Range
Leaves and acorns are an important food source for birds and mammals within its native range.
June Color Appears at the Washington Park Arboretum (Part II)
1) Quercus gilva Evergreen Oak
Native to China and Japan
Reaches heights of 90-100 feet in its native range
Located in the Oak Collection along the South Oaks Extension Trail
2) Rhododendron calophytum Beautiful-face Rhododendron
Native to China
Large species rhododendron capable of becoming a tree
Located along trail between Loderi Valley and the Woodland Garden
3) Sequoia sempervirons ‘Cantab’ Coast Redwood
A cultivar of the coast redwood with unique needles
Specimens vary in form from shrubby to tree-like
Located in the north end of the Pinetum, along the Pinetum Trail
4) Thujopsis dolobrata Hiba Arborvitae
A Japanese native
Capable of reaching 100 feet or more in Japan, yet large specimens are rare in the Seattle area
Located along the south slope of the Woodland Garden
5) Viburnum rhytidophyllum Leatherleaf Viburnum
Native to China
Large evergreen shrub recorded to heights of 30 feet
Located along the trail through the Viburnum Collection
June Color Appears at the Washington Park Arboretum
1) Cornus controversa Giant Dogwood
A rounded deciduous tree bearing spreading, tiered branches and alternate, elliptic leaves, C. controversa can potentially reach 40 feet in height. White flowers are borne in large, flattened cymes in early summer. Following the flowers, masses of deep red fruit develop, changing to blue-black.
Native to China, the Himalayas and Japan, C. controversa is less cold tolerant than our native dogwoods.
Plant Profile: Stewartia monadelpha
Stewartia monadelpha is a stunning tree throughout the year. Don’t miss its lovely blossoms this month.
Read moreMay Color Appears at the Washington Park Arboretum
1) Cytisus x praecox ’Luteus’ Warminster Broom
This broom is a hybrid of C. multiflorus and C. purgans and is located on Arboretum Drive in the Legume Collection.
Many of the brooms are blooming now or soon to bloom, including the pineapple broom, Argyrocytisus battandieri, whose fragrance earned it its common name.
2) Erica arborea var. alpina Tree Heath
While non-alpine tree heath can reach heights in excess of 20 feet, the alpine variety is the “short” one, reaching only 10 to 15 feet.
Read more