Oemleria cerasiformis
OSOBERRY, OREGON PLUM, SKUNK BUSH
Family: Rosaceae
Pronounced: oom-LER-ee-uh seh-ruh-sih-FORM-is
Quick Jumps
Growing Guide
Rainy Side Notes
GROWING GUIDE
Origin:
Pacific Northwest.
Plant Group:
Deciduous shrub.
Hardiness:
Sunset zones: 4-9, 14-24.
USDA zones: 6-10.
Mature size:
Height: 6-20 feet (2-6 m).
Width: 12 feet (4 m).
Flowering period:
Late winter.
Flowering attributes:
Pendant racemes of bell-shaped flowers.
Leaf attributes:
Green, lance-shaped leaves that are gray-green underneath and fuzzy. Leaves when crushed have a cucumber or watermelon rind scent.
Growth habit:
Upright, sometimes suckering.
Light:
Shade to full sun.
Soil:
Moist, humus rich soil.
Propagation Methods:
Sow seeds when ripe.
Greenwood cuttings in early summer
Transplant any suckers around the base of shrub in autumn months.
Pruning Methods:
Prune after flowering. Cut down to the ground to revive an overgrown shrub.
Rainy Side Notes
Many years ago, I lived where we had woods, consisting mainly of Big leaf maple and Red alder, on the south side of our home. Osoberry was the main plant in the understory. Mornings, during late winter, the flowers would light up the deciduous woodland whenever the sun peeked out of the perpetual clouds. When the light reached the understory, racemes of flowers shimmered as if little jewels in the morning light. Those sunny mornings when I gazed out my window is permanently etched in my memory.
Several of my sources say the flower has a scent of almonds. I did a nose test and I wouldn't equate it to almonds. However, it did remind me of boxwood, but with a greener smell to it. One of my sources said the smell might be undesirable. I thought it was not unpleasant, just different. If the smell was stronger, I believe it would be unpleasant — more like cat urine. Fragrance, whether good or bad, I suppose is in the nose of the beholder. Thankfully, the odor does not carry through the air; you must get your nose down into the flower to capture its essence.
Wildlife
Birds, rodents, deer, bear, foxes and coyotes, all relish the small, bittersweet fruits. The shrubs are either male or female, so if you want fruit, you will need both for pollination. The flowers are an early nectar source for bees and other insects.
Ethnobotany
Native Americans in our region ate the fruit. For medicinal purposes they chewed on the twigs and then applied them to sore places. For a tonic and purgative, some used the bark to make a bark tea.
In the Garden
In the landscape, Osoberry is perfect in the hedgerow or as a specimen plant. There are homes where I see them used as a deciduous hedge for privacy. Consider these shrubs for your own backyard wildlife habitat, or restoration project.
Top four images photographed in Indianola, Washington; bottom image photographed in author's garden.
A Pacific Northwest Plant of the Week (2012)
Gardening for the Homebrewer: Grow and Process Plants for Making Beer, Wine, Gruit, Cider, Perry, and More
By co-authors Debbie Teashon (Rainy Side Gardeners) and Wendy Tweton
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