What’s That Weed?
Invasive: Giant hogweed (Heracleum mantegazzianum) Characteristics: Giant hogweed is a very large member of the carrot family, reaching as much as 4.5 m (15 ft) in height. First-year growth is […]
Invasive: Giant hogweed (Heracleum mantegazzianum) Characteristics: Giant hogweed is a very large member of the carrot family, reaching as much as 4.5 m (15 ft) in height. First-year growth is […]
That is, the construction phase of restoration has been completed. For the past several years JCWC has been working with the Centennial School District to restore a 900’ section
Mitchell Creek Restoration at Centennial Pond is Complete! Read More »
Tucked back off SE Foster Road, where 122nd Avenue crosses Johnson Creek, is one of Portland’s lesser-known treasures: Leach Botanical Garden, named for John and Lilla Leach, who lived on
Leach Botanical Garden’s “Back 5;” a Hidden Gem’s Hidden Gem Read More »
Invasive: Tree of Heaven (Ailanthus altissima) Characteristics: Tree of Heaven—also called Chinese sumac or stinking sumac—is one of the great misnomers in the plant world. It is a weedy, fast-growing
Invasive: Yellow archangel (Lamiastrum galeobdolon) Characteristics: Yellow archangel, or yellow Lamium, is a fast-growing, rhizomatous, trailing (sometimes upright) perennial ground cover. Stems are square in cross-section, and are typically less