Silver:
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Remove 100% of "silver" aggressive weeds from property
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Naturescape at least 5% of available property with native plants
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Include at least 3 out of 5 canopy levels
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Pick at least one item from each of the Stormwater and Wildlife Stewardship menus
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Develop plan to reach Gold Certification (recommended)
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Gold:
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Meet all requirements of Silver level
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Remove 100% of "gold" aggressive weeds from property
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Naturescape at least 15% of available property with native plants
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Include at least 4 of the 5 canopy levels
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Pick two items from each of Stormwater and Wildlife Stewardship menus
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Develop plan to reach Platinum Certification (recommended)
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Platinum:
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Meet all requirements of Silver and Gold levels
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Remove 100% of "platinum" aggressive weeds from property
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Naturescape at least 50% of property with native plants
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Include at least 5 out of 5 canopy levels
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Pick three items from each of Stormwater and Wildlife Stewardship menus
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Pick one item from Education and Volunteerism menu
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Five canopy levels: groundcover, small/medium shrubs, large shrubs, small trees, and large trees
Wildlife Stewardship
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Have a wildlife water feature
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Have avian nest boxes for native species
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Keep cats indoors at all times, or in an outdoor enclosure
- Have a snag or decomposing nurse log
- Reduce outdoor lighting
- Reduce bird window collisions
- Have a native meadow with a mix of 3-season-blooming forbs and grasses
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Stormwater Management**
- Have a large canopy tree for stormwater absorption
- Disconnect downspouts (where appropriate)
- Grass or impervious pavement on less than 5% of property (minus house)
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Have an ecoroof
- Take the Metro "No Pesticides Pledge" (required for gold)
- Decommission all or part of an existing irrigation system
- No use of moderate or high hazard chemicals (See Metro Grow Smart Grow Safe Guide)
- Use a rain sensor on an exisiting irrigation system
**Stormwater options are different for each property. It is important
to research the most appropriate items for your site before
implementation.
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Education and Volunteerism
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Allow site/yard to be showcased in garden tours or Metro tour
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Volunteer for Certification Program and/or mentor other Backyard Habitat homeowners
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Attend continuing education classes
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Participate in OSU Extension Master Gardener Programs
- Become a trained "Weed Watcher" through the Early Detection Rapid Response Program
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Silver Weeds
False Brome, Pokeweed, Garlic Mustard, Butterfly Bush, Yellow Flag Iris, Purple Loosestrife, Knotweed, Traveler’s Joy, Ivy (all cultivars), Giant Hogweed, Himalayan Blackberry, Gorse, Meadow Hawkweed, Pampas Grass, Spotted/Meadow and Diffuse knapweeds, Policeman's Helmet
Gold Weeds
Shining and Robert Geranium, Hedge Bindweed, Lesser Celandine, Spurge Laurel, Scot's Broom, Yellow Archangle, Purple Star thistle, Evergreen Blackberry, Norway Maple*, Tree-of-heaven*, English Holly* (*Large trees exempt for gold but not for Platinum level)
Platinum Weeds
Spatulaleaf Loosestrife, Large and Small-leaf Periwinkle, "weedy" Fennel, Reed Canarygrass, creeping buttercup
Download a printable PDF version of the BHCP Criteria HERE