CERTIFICATION LEVELS
Silver:
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Remove 100% of tier one 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 6 canopy levels
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Pick at least one item from each of 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 tier two 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 6 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 tier three 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 6 canopy levels
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Pick 3 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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MENU ITEMS
Wildlife Stewardship
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Install a wildlife water feature
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Install avian nest boxes for native species
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Convert outdoor cats to living indoors
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Participate in backyard Citizen Science
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Plant 3 native plants that provide food for wildlife
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Stormwater Management**
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Create a stormwater planter
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Plant or have a large canopy tree over impervious surface for stormwater absorption
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Plant or have a large canopy tree in other part of garden
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Disconnect downspouts (where appropriate)
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Have grass or impervious pavement on less than 5% of property (minus house)
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Use integrated pest management.
**Stormwater options are different for each property. It is important
to research the most appropriate items for your site before
implementation. |
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
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Aggressive Weeds
Tier One
- False Brome, Pokeweed, Garlic Mustard, Butterfly Bush, Yellow Flag Iris, Purple Loosestrife, Knotweed, Traveler’s Joy, Scot’s Broom, English Ivy, Giant Hogweed, Himalayan and Evergreen Blackberry
Tier Two
- Spotted and Diffuse Knapweed, Shining and Robert Geranium, Field Bindweed, Lesser Celandine, Spurge Laurel, Norway Maple*, Tree-of-heaven*, English Holly* (*Large trees exempt for gold but not for Platinum level)
Tier Three
- Policeman’s Helmet, Spatulaleaf Loosestrife, Large and Small-leaf Periwinkle, Fennel, Reed Canarygrass.
Download a printable .pdf version of the BHCP Criteria HERE