01. Acer circinatum (N)
Common name: vine maple
Family name: Sapindaceae
Useful cultivars and selections:
USDA Hardiness Zone: 6-9
Mature height and spread: 8m/8m
Form: de. tr.
Water use: medium
Soil requirements: moist but well-drained
Leaf arrangement/Foliage: opposite
Fall colour: yellow
Flower/cone/fruit description(s): fruit V shape
Limitations: low branching, can be planted in full sun or part shade
Suitable uses: understory tree in moist woods with dappled shade and along stream banks, also grows in open areas.
Quick ID description: palmate leaves, 10 cm long and wide
Photographs:
02. Acer glabrum var. douglasii (N)
Common name: douglas maple
Family name: Sapindaceae
Useful cultivars and selections: var. douglasii
USDA Hardiness Zone: 4-7
Mature height and spread: 35 ft
Form: de. tr.
Water use: medium
Soil requirements: well-drained, sun to part shade
Leaf arrangement/Foliage: opposite
Fall colour: red, orange, yellow
Flower/cone/fruit description(s): semara 30-60 degree
Limitations: sun to part shade, can be eaten by dears
Suitable uses: small garden, wood gardens
Quick ID: thin leaves, black bark
photos:
03 Alnus viridis subsp. sinuata (N)
Common name: Sitka alder; mountain alder, green alder
Family name: Betulaceae
Useful cultivars and selections: subsp. sinuata
USDA Hardiness Zone: 3
Mature height and spread: 20-30 m
Form: de.tr.
Water use: medium
Soil requirements: well-drained
Leaf arrangement/Foliage: alternate
Fall colour: green
Flower/cone/fruit description(s): fruit: katkins
Limitations:
Suitable uses: shade tree, industrial area
Quick ID: double serrated leaves
Photographs:
4. Alnus rubra
Common name: red alder
Family name: Betulaceae
Useful cultivars and selections:
USDA Hardiness Zone: 3
Mature height and spread: 60ft/30ft very tall
Form: de.tr.
Water use: medium
Soil requirements: well-drained
Leaf arrangement/Foliage: alternate
Fall colour: green
Flower/cone/fruit description(s): catkins: male 4cm female 1cm
Limitations: big tree
Suitable uses: Coastal and riparian planting, erosion control, wetland and woodland edges.
Quick ID description: leaves recurved
Photographs:
5. Berberis aquifolium (N)
Common name: Oregon Grape
Family name: Berberidaceae
Useful cultivars and selections:
USDA Hardiness Zone: 5
Mature height and spread: 1m
Form: ev. tr.
Water use: low to medium
Soil requirements: adaptive
Leaf arrangement/Foliage: alternate
Fall colour: green
Flower/cone/fruit description(s): yellow flowers blue fruits
Limitations: N/A
Suitable uses: shrub border
Quick ID description: hard toothed compound leaves
Photographs:
6. Cornus stolonifera (N)
Common name: red twig dogwood
Family name: Cornaceae
Useful cultivars and selections: de.sh.
USDA Hardiness Zone: 3
Mature height and spread: 4-10m
Form: de. sh.
Water use: medium
Soil requirements: moisture
Leaf arrangement/Foliage: opposite
Fall colour: red
Flower/cone/fruit description(s): tiny, fragrant, round, showy, white flowers grown in flat-topped clusters
Limitations: susceptible to leaf and twig blights
Suitable uses: flowering shrub. when the leaves are gone, the red stalks are showy
Quick ID description: red branches
Photographs:
7. Holodiscus discolor (N)
Common name: ocean spray
Family name: Rosaceae
Useful cultivars and selections: ‘carneus’
USDA Hardiness Zone: 5
Mature height and spread: 5m
Form: de. sh.
Water use: low to medium
Soil requirements: adaptive
Leaf arrangement/Foliage: alternate
Fall colour: green
Flower/cone/fruit description(s): clusters of small creamy white flowers and fruits
Limitations: fireblight , fungal leaf spot and aphids. doesn’t look good in autumn and winter
Suitable uses: border, highway. full sun to part shade
Quick ID description: fuzzy clusters of fruits. doublely serrated leaves
Photographs:
8. Malus fusca (N)
Common name: Pacific crab apple, Oregon crabapple
Family name: Rosaceae
Useful cultivars and selections:
USDA Hardiness Zone: 3-8
Mature height and spread: 4m
Form: de. tr.
Water use: meidum
Soil requirements: moist
Leaf arrangement/Foliage: alternate
Fall colour: red/orange/yellow
Flower/cone/fruit description(s): fruit 1cm. red
Limitations: thorny, looks bad in winter
Suitable uses: fruit, fall colour
Quick ID description: thorns on the branches
Photographs:
9. Philadelphus lewisii (N)
Common name: Lewis’ mock orange, mock-orange
Family name: Hydrangea
Useful cultivars and selections: ‘Cheyenne’, ‘Blizzard’ (winter hardy), ‘Marjorie Schmidt’(double flowered), ‘Snow Velvet’, ‘Fallbrook’, ‘Goose Creek’, ‘Mount Tahoma’ (variegated), and ‘Waterton’.
USDA Hardiness Zone: 4
Mature height and spread: 5m
Form: de. sh.
Water use: meidum
Soil requirements: well-drained
Leaf arrangement/Foliage: opposite
Fall colour: green
Flower/cone/fruit description(s): 5-petal white flowers
Limitations: poinous seeds
Suitable uses: flowering shrub
Quick ID description: some leaves have wavy margin
Photographs:
10. Myrica gale (N)
Common name: sweet gale
Family name: Myricaceae
Useful cultivars and selections:
USDA Hardiness Zone:
Mature height and spread: 1m
Form: de. sh.
Water use: medium
Soil requirements: well-drained
Leaf arrangement/Foliage: alternate
Fall colour: green
Flower/cone/fruit description(s): fruits 2cm, purple to red
Limitations: poisonous, spreading
Suitable uses: shrub border
Quick ID description: long leaves and fruits
Photographs:
11. Physocarpus capitatus (N)
Common name: Pacific ninebark, Western ninebark
Family name: Rosaceae
Useful cultivars and selections:
USDA Hardiness Zone: 4
Mature height and spread: 6-12 ft. 3m
Form: de. sh.
Water use: medium
Soil requirements: rain garden
Leaf arrangement/Foliage: alternate
Fall colour: yellow and green
Flower/cone/fruit description(s): cluster of small white flowers
Limitations: can not torlerant drought
Suitable uses: attract butterflies, yellow autumn colour
Quick ID description: 3-lobed leaves
Photographs:
12. Populus tremuloides (N)
Common name: trembling aspen
Family name: Salicaceae
Useful cultivars and selections:
USDA Hardiness Zone: 2
Mature height and spread: 10m
Form: de. tr.
Water use: dry to medium
Soil requirements: well-drained
Leaf arrangement/Foliage: alternate
Fall colour: yellow
Flower/cone/fruit description(s): catkins not showy
Limitations: short lived
Suitable uses: street tree
Quick ID description: flat petiole, small leaves
Photographs:
13. Populus trichocarpa (N)
Common name: black cottonwood
Family name: Salicaceae
Useful cultivars and selections:
USDA Hardiness Zone: 2
Mature height and spread: 15m-20m, one of the tallest tree in NA
Form: de. tr.
Water use: medium
Soil requirements: well-drained
Leaf arrangement/Foliage: alternate
Fall colour: yellow
Flower/cone/fruit description(s): catkins
Limitations: fast-growing short-lives
Suitable uses: fast growing trees. industrial area, street tree.
Quick ID description: the shape of ole leaves are different from new ones
Photographs:
14. Rhododendron groenlandicum (N)
Common name: common Labrador tea, Labrador tea, bog tea, rusty Labrador tea, Hudson Bay tea, woolly tea, settler’s tea, tundra tea, Greenland Labrador tea, St. James tea
Family name: Ericaceae
Useful cultivars and selections:
USDA Hardiness Zone: 2
Mature height and spread: 1m
Form: ev. sh.
Water use: medium
Soil requirements: well-drained
Leaf arrangement/Foliage: alternate
Fall colour: green
Flower/cone/fruit description(s): white flowers
Limitations:
Suitable uses: flowering shrub in small area
Quick ID description: long and small leaves
Photographs:
15. Rubus parviflorus (N)
Common name: thimbleberry
Family name: Rosaceae
Useful cultivars and selections:
USDA Hardiness Zone: 3
Mature height and spread: 3-5m
Form: de. sh.
Water use: low
Soil requirements: adaptable to full sun to part shade
Leaf arrangement/Foliage: alternate
Fall colour: green
Flower/cone/fruit description(s): edible fruits
Limitations: speading
Suitable uses: border, edible fruits.
Quick ID description: big fuzzy leaves
Photographs:
16. Rubus spectabilis (N)
Common name: Salmonberry
Family name: Rosaceae
Useful cultivars and selections:
Rubus spectabilis var. franciscanus (Rydb.) J.T. Howell
Rubus spectabilis var. spectabilis
USDA Hardiness Zone: 4
Mature height and spread: 2-3m
Form: de. sh.
Water use: meidum
Soil requirements: no
Leaf arrangement/Foliage: alternate
Fall colour: green
Flower/cone/fruit description(s): red or orange edible fruits
Limitations: spreading
Suitable uses: low maintanance shrub
Quick ID description: the 2 leflets in the bottom look like butterflies
Photographs:
17. Sambucus nigra subsp. cerulea (N)
Common name:blue elder,blue elderberry, elderberry
Family name: Adoxaceae
Useful cultivars and selections: subsp. cerulea
USDA Hardiness Zone: 4
Mature height and spread: 5m
Form: de. sh.
Water use: medium
Soil requirements: well-drained
Leaf arrangement/Foliage: opposite
Fall colour: green
Flower/cone/fruit description(s): blue fruits coverd with wax
Limitations: blue fruits may stain on other things like pavers
Suitable uses: screens, borders, flowering shrub
Quick ID description: leaves 30 cm lomg
Photographs:
18. Sambucus racemosa subsp. pubens var. arborescens (N)
Common name: red elderberry
Family name: Adoxaceae
Useful cultivars and selections:
USDA Hardiness Zone: 5
Mature height and spread: 2m
Form: de. sh.
Water use: medium
Soil requirements: well-drained
Leaf arrangement/Foliage: opposite
Fall colour: red
Flower/cone/fruit description(s): red fruits
Limitations: need acidic, moist soil
Suitable uses: can be grown in full sun to part shade
Quick ID description: leaves can be 10-50 cm long
Photographs:
19. Spiraea douglasii (N)
Common name: Douglas’ spiraea
Family name: Rosaceae
Useful cultivars and selections:
USDA Hardiness Zone: 6
Mature height and spread: 2m-3m
Form: de. sh.
Water use: medium
Soil requirements: adaptable
Leaf arrangement/Foliage: alternate
Fall colour: green
Flower/cone/fruit description(s): pink flowers
Limitations: no. sun to part shade
Suitable uses: flowering shrub
Quick ID description: 1 serrated only on top of the leaves 2 short petiole
Photographs:
20. Symphoricarpos albus (N)
Common name: snowberry
Family name: Caprifoliaceae
Useful cultivars and selections:
USDA Hardiness Zone: 4
Mature height and spread: 1.5m
Form: de. sh.
Water use: low to meidum
Soil requirements: adaptable
Leaf arrangement/Foliage: opposite
Fall colour: green
Flower/cone/fruit description(s): white showy fruits 1cm
Limitations: no
Suitable uses: decorating shrub
Quick ID description: opposite leaves 2-3 cm, showy fruits
Photographs: