9ºF in 2009. The average annual low at the Hillsboro Airport is 14ºF (Zone 8a). Its important for gardeners away from the urban core to account for lower temperatures when they choose plants. This is true for Clark County as well. ...
Trees: The New Sewers: The City of Portland, Oregon, Is Planting Tens of Thousands of Trees, Adding Green Infrastructure to the Traditional GreyRead the full-text online article and more details about Trees: The New Sewers: The City of Portland, Oregon, Is Planting Tens of Thousands of ...
Mahonia: Oregon Grape Osmaronia: Indian Plum Hardy Palm Philadelphus: Mock Orange Phyllostachys: Bamboo Physocarpus: Ninebark Physocarpus: Ninebark Punica: Pomegranate Native Ribes: Wild Currant Rosa: Wild Rose Rubus: Salmonberry Salix: Willow
The Oregon Bottle Bill. Oregon was at the vanguard of recycling when it devised a system to create an economic incentive to recycle glass beverage bottles. Buy the beverage, return the bottle to the merchant, get a nickel. At the time curbside recycling was nearly non-existent and the system...
Juan has an encyclopedic knowledge of plants and designed a beautiful blue print of Oregon native plants for our yard. I highly recommend Juan and his company to anyone looking for a professional landscape and hardscape designer. A Newburg "Juan and his team took my vision and created my out...
The West Coast from British Columbia to California has temperatures that are low enough in summer and mild enough in winter to support this plant, and indeed most species of Ceanothus originate in California and southwest Oregon. There are so many types of Ceanothus we can't come close to ...
OregonPortlandRaceUrban Forestry.Many cities have policies encouraging homeowners to plant trees. For these policies to be effective, it is important to understand what motivates a homeowner's tree-planting decision. Researchers address this question by identifying variables that influence parti...
This study evaluated the hypothesis that urban-tree planting increases neighborhood gentrification in Portland, Oregon. We defined gentrification as an increase in the median sales price of single-family homes in a Census tract compared to other tracts in the city after accounting for differences in ...
Therefore, we evaluate the impact of tree planting on social cohesion using voter-turnout data as an objective metric of social cohesion. Our study area is the 141 Census tracts in Multnomah County, Oregon that fall within (>50% area) the City of Portland. We used biennial primary and ...
(Photo credit: Oregon State University) Styrax japonicus 'Carillon' Weeping form of Japanese Snowbell with white flowers and somewhat stiff branching creating a broad shrubby shape. Grows to 8-10’ tall and wide, sun-part shade, Zone 5. Styrax japonicus 'Emerald Pagoda' Everything about ‘...