February Color Appears at the Washington Park Arboretum
Witt Winter Garden
1) Chimonanthus praecox Wintersweet
Wintersweet is in the allspice family of Calycanthaceae.
The sulfur-yellow flowers are intensely fragrant and are born on bare stems.
This winter garden favorite is native to China.
2) Ganya x issaquahensis Hybrid Silktassel
This natural hybrid, between G. elliptica and G. fremontii, is native to the western U.S.
The showy male catkins will soon produce large amounts of yellow pollen.
520 Bridge Mitigation Projects in the Arboretum
Say goodbye to the “ramps to nowhere.” As part of the new 520 bridge construction project, the ramps will be coming down. As announced in a recent press conference, WSDOT will pay Seattle Parks and Recreation $7.8 million for mitigation projects in the Arboretum. These projects include the design and construction of a 1-mile multi-use trail, as well as improvements to Azalea Way Pond, parts of Arboretum Creek, and Foster Island.
Read moreJanuary Color Appears at the Washington Park Arboretum (Part II)
“Scratch and Sniff”
1) Abies amabilis (Pacific Silver Fir)
Pacific Northwestern native growing up to 250 feet tall in the wild, but is often short-lived in gardens.
Its crushed needles smell like orange peel.
The easiest of the Arboretum specimens to find is on the Upper Trail below the Peony bed.
2) Cupressus goveniana var. pygmaea (Mendocino Cypress)
The “pygmy” stature occurs in this tree’s native habitat: infertile ancient sand dunes above the Pacific Ocean near Mendocino.
Read moreJanuary Color Appears at the Washington Park Arboretum
“Judge a Plant by Its Cover”: Twigs and Bark
1) Acer buergerianum (Trident Maple) – photo of trunk (to the right)
Move over Stewartia pseudocamellia, at least for the time being.
Exceptional mottled flakey, lighter gray-brown bark on this young Asian maple.
Makes a good street tree in Seattle, tolerant of a wide-range of stress factors.
2) Acer caesium ssp. giraldii
Maple featuring young branches covered with a whitish bloom (DO NOT TOUCH)
Native to the Himalaya region of China (Shaanxi and Yunnan provinces)
Specimen located along Arboretum Drive in the Peonies
3) Betula albo-sinensis var.
Read moreLeaves, Paint Swatches and Nature Connection: A Student Perspective
What do the pre-school kids do while attending the Fiddleheads Forest School at the Arboretum? UW student Mackenzie Urquhart reports on this exciting new education program.
Read moreDecember Color Appears at the Washington Park Arboretum (Part II)
Seize the Bay!
1) Bay Laurel (Laurus nobilis)
From the Mediterranean region
A plant of great cultural significance (culinary uses, literary references, etc.)
Marginally hardy in the Washington Park Arboretum, located in the Mediterranean Bed (grid 21-3E)
2) California Bay Laurel (Umbellularia californica)
Native to the Pacific Coast, Oregon through California
Crushed leaves have intense odor
Re-seeds freely in the Washington Park Arboretum
Located near the Mediterranean Bed (grid 20-3E)
3) Redbay (Persea borbonia)
A relative of the avocado, native to southeastern U.S.
Read moreDecember Color Appears at the Washington Park Arboretum
GREENS GALORE!
1) Abies alba ‘Hybrid’ (Silver Fir)
Silver Fir is the species first used as a Christmas tree.
A resinous essential oil can be extracted. The pine-scented oil has soothing qualities and is used in perfumes and bath products.
This magnificent specimen can be found on Arboretum Drive.
2) Cornus sericea ‘Cardinal’ (Red Osier Dogwood)
Bright red twigs provide winter interest in the garden and a beautiful accent to holiday decorations.
Read moreIn the Arboretum with the total station and other milestones

On a sunny autumn day a team of UW students, UWBG staff and team leader Jim Lutz headed down the East Arboretum trail to the Meadow with a shiny, new total station.
Read moreNovember Color Appears at the Washington Park Arboretum
1) Callicarpa sp. Beautyberry
When the late autumn landscape seems to offer little in the way of vibrant color, the upright shrub, Callicarpa shows us that it has some local Husky pride. Grown mainly for their clusters of small, bead-like fruit, the Callicarpa species are ideal for a colorful shrub border.
Native primarily to China, Japan, and Korea, Callicarpa is a member of the plant family, Verbenaceae.
WPA Goes Hollywood: Release of film “The Details”
It’s been a few years since many of our staff witnessed a film shoot in the arboretum featuring Spiderman star, Tobey Maguire. Now, the big payoff, “The Details” has hit the big screen. It garnered a 3-star review in Friday’s Times “Weekend Plus” by John Hartl.
http://seattletimes.com/html/movies/2019636923_mr09details.html
What are you waiting for! Go check it out and keep your eyes open for arboretum landmarks.