Figure 2-34. Planting Zones

Plant Lists For more information about a number of these , please visit the Portland List. No plants off the Portland Nuisance Plant List area allowed in stormwater management facilities or drainageways (See Section 4.1 of the Portland Plant List). A number of other plants may be appropriate for private stormwater management facilities – see Section 2.4 (Deciduous Forested Wetlands and Floodplains), Section 2.5 (Scrub- Wetlands) and Section 2.6 (Marsh) of the Portland Plant List. Additionally, see the Bureau of Development Services and Landscaping Manual for plant suggestions that also meet required landscaping and screening goals.

City of Portland Stormwater Management Manual— August 2016 2-232 Chapter 2: Stormwater Facility and Conveyance Design, Submittal Requirements Public Stormwater Facility Plant List

(including Green Streets and Basins)

Botanic Name Common Name Zone NW Native Evergreen Height Potential Spacing O.C. Under Powerlines

Carex obnupta Slough Sedge A Y Y 48" 12" -

Juncus patens Spreading Rush A y Y 36" 12" -

Liriope muscari Big Blue Lilyturf A/B N Y 12-18” 12" -

Herbaceous Plants ‘Big Blue’

Arctostapylos

Kinnickinnick B Y Y 6" 12" - uva-ursi

Fragaria chiloensis Coastal Strawberry B Y Y 6" 12" -

Groundcovers Rubus calcynoides & Creeping Bramble A N Y 6" 12" - pentalobus

Carex morrowii Ice Dance Japanese A/B N N 12" 12" - ‘Ice Dance’ sedge

Iris douglasiana Douglas Iris B Y N 18" 12" - Accent Plants

Berberis (Mahonia) Creeping Oregon Grape B Y Y 18-24" 24" - repens Kelsey’s dwarf

Cornus sericea 'Kelseyi' A/B N N 36" 24" - red-twig dogwood Lavandula angustifolia Hidcote Blue English B N Y 24-36” 24" - ‘Hidcote Blue’ lavender

Small Nandina domestica Moon Bay heavenly A/B N Y 36" 24" - ‘Moon Bay’ bamboo Nandina domestica Dwarf heavenly B N Y 15” 24" - ‘Nana’ bamboo

City of Portland Stormwater Management Manual— August 2016 2-241 Chapter 2: Stormwater Facility and Conveyance Design, Submittal Requirements

Public Stormwater Facility Plant List

(including Green Streets and Basins)

Botanic Name Common Name Zone NW Native Evergreen Height Potential Spacing O.C. Under Powerlines

Spiraea japonica Magic Carpet Japanese A/B Y N 24" 24" - ‘Walbuma’ spirea

Spiraea japonica Goldmound Japanese A/B N N 36" 24" - Small Shrubs ‘Goldmound’ spirea

Celtis occidentalis Common Hackberry N N 50’ - N

Cascara Buckthorn, Frangula purshiana Y N 25’ - Y Cascara Sagrada Gleditsia triacanthos Imperial Thornless N N 35’ - Y var. inermis 'Impcole' Honeylocust Gleditsia triacanthos Skyline Thornless N N 50’ - N var. inermis 'Skycole' Honeylocust

Nyssa sylvatica Black Tupelo N N 50’ - N

Trees virginiana Canada Red A/B N N 25' - Y 'Canada Red' Chokecherry

Quercus bicolor Swamp White Oak N N 50’ - N

Quercus shumardii Shumard Oak A/B N N 50' - N

Zelkova serrata Green vase Japanese N N 45’ - N ‘Green Vase’ zelkova Zelkova serrata Village Green Japanese N N 35’ - Y ‘Village Green’ zelkova

Minimum size is a # 1 Container for all plants, 2"- 3.5" caliper B&B for all .

City of Portland Stormwater Management Manual— August 2016 2-242 Chapter 2: Stormwater Facility and Conveyance Design, Submittal Requirements