Got Greens? 1) Fokienia hodginsii (Fokienia) Native to China, Vietnam, and Laos Extremely slow growing outside of native range Specimen located in Rhododendron Glen 2) Keteleeria evelyniana (Keteleeria) Native to China, Vietnam, and Laos Thrives in warm climates, but may be considered an “herbaceous perennial” in northern climates Specimen located in north Pinetum area 3) Taiwania cryptomerioides (Coffin Tree) Native to Taiwan, China, and Vietnam Considered “critically threatened” in native range Specimen located near East Newton Street entrance to the Pinetum area 4) Thujopsis dolabrata (Lizard Tree) Native to Japan Thrives in moist, shady areas with rich soil Specimen located among Acer Collection in the Woodland Garden 5) Torreya taxifolia (Stinking Cedar) Native to southeastern U.S.
Read more »November Color Appears at the Washington Park Arboretum
1) Arbutus unedo (Strawberry Tree) One of the many species described by Carl Linnaeus in his 1753 landmark work, Species Plantarum. An amazing plant with 4-season interest, including fruits and flowers at the same time. Serves as a bee plant for honey production and the fruits are food for birds. 2) Camellia wabisuki (Wabisuki Camellia) A Sukiya variety with single, pinkish-white flowers and an open growth habit.
Read more »October Color Appears at the Washington Park Arboretum
The Good, The Bad and The Ugly (Minus the Good) 1) Cherry Brown Rot A fungal disease of the Prunus species caused by Monilina fructicola and Monilina laxa. The first symptoms often seen are browning and collapse of the blossoms, followed closely by death of the small twigs. 2) Dogwood Anthracnose Dogwood anthracnose is a disease of flowering and pacific dogwoods (Cornus florida and C.
Read more »September Color Appears at the Washington Park Arboretum
Keystone Species of New Zealand 1) Nothofagus menziesii (Silver Beech, Tāwhai) Natural range: endemic to New Zealand. Found throughout South Island. Trunk is silvery-gray and has horizontal lines (lenticels). Dark-green, oval leaves are glossy and have toothed edges. Largest specimen was transplanted in Autumn 2012 with help from a very large crane. 2) Nothofagus solandri var. cliffortioides (Mountain Beech, Tawhairauriki) Deep green, oval leaves have a pointed tip and rolled edges.
Read more »September Color Appears at the Washington Park Arboretum
Cornucopia 1) Betulaceae Carpinus japonica, Corylus colurna, Ostrya carpinifolia Nut-bearing, often enclosed in interesting husks, cones or bracts. 2) Fabaceae Colutea orientalis Legumes, which are dry fruit in pods that dehisce (open along a seam). 3) Gunneraceae Gunnera manicata The fruit-bearing conical spike can reach 6 feet in length. 4) Magnoliaceae Magnolia grandiflora, M. officinalis var. biloba, M. sieboldii Cone-like fruits, from green to red, open to display bright orange seeds.
Read more »August Color Appears at the Washington Park Arboretum (Part II)
1) Aralia elata (Japanese Angelica Tree) Natural range: Japan, Korea, Russian Far East Can be a tree more than 30 feet tall. Ours are multiple suckers from a spreading root system. Located north of the Wilcox footbridge (40-3W). 2) Bupleurum fruticosum A dense, multi-stemmed shrub tolerant of exposure and poor soil. Native to Southern Europe and the Mediterranean. Located in our Rock Rose area west of the Sorbus Collection (21-3E).
Read more »August Color Appears at the Washington Park Arboretum
“Can You Smell That Smell?” 1) Clerodendrum trichotomum (Peanut-Butter Tree) Repugnant, peanut-butter odor when leaves are bruised! Cats are attracted to the smell. See our suckering forest of young trees along the path leading down to the WPA horticultural crew barn. 2) Prostanthera cuneata (Alpine Mint-Bush) This low-growing shrub is from Australia and is in the Mint family. When leaves are crushed, they emit a strong fragrance that some liken to eucalyptol and smelly socks.
Read more »July Color Appears at the Washington Park Arboretum (Part II)
“Quirky Oaks” 1) Quercus x bushii ‘Seattle Trident’ (Seattle Trident Hybrid Red Oak) Cultivar of a Black Oak and Blackjack Oak hybrid. Developed in Sir Hillier Gardens and Arboretum in England from scion wood collected at Washington Park Arboretum. Located in the Oak Collection, northwest of Azalea Way service road intersection. 2) Quercus dentata (Daimyo Oak) Asian native (China, Korea, Japan, Mongolia) Develops an unusually large leaf; occasionally used as a vegetable in native range.
Read more »July Color Appears at the Washington Park Arboretum
Chile in Seattle 1) Alstroemeria sp. Commonly called Peruvian Lily or Lily of the Incas. The genus was named after Swedish baron, Claus von Alstroemer (1736-1794) by his close friend, Carolus Linnaeus. Beautiful drifts grace the Chilean Gateway. 2) Gunnera tinctoria Sometimes referred to as Chilean rhubarb or dinosaur food. The leaves can grow up to 2.5 meters across. Several large clumps dot the Chilean Gateway hillside.
Read more »June Color Appears at the Washington Park Arboretum (Part II)
1) Callistemon sieberi (Alpine Bottlebrush) This small, spreading shrub is currently showing off its creamy-yellow flowers in bottlebrush-like spikes. Native to Australia, C. sieberi can be found along the footpath of the Australian Entry Garden within the Pacific Connections Garden. 2) Cytisus battandieri (Pineapple Broom) Sometimes referred to as Argyrocytisus, this genus of Brooms fall within the family, Fabaceae. Native to Morocco, C.
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