The Enemy: Chinese Elm (Ulmus parifola)

The Enemy: In the spirit of CHRISTmas — holly, that is English holly (Ilex aquifolium). Holly is a perennial evergreen shrub that can grow into large trees. As we all have seen around the holidays, it has wavy and waxy leaves with small spines. This plant comes from woodlands in Europe, East…

The Enemy: Rush skeletonweed (Chondrilla juncea L.) Strategy: This perennial plant has infested several million acres in Idaho, first found in the early 1980s as a 5-acre patch near Horseshoe Bend. Stem leaves are small, inconspicuous and narrow, thus giving the plant its skeletal appearance…

The Enemy: Longspine sandbur (Cenchrus longispinus) this warm-season native annual grass can be troublesome. It typically invades sandy areas and is mostly from the Boise area west. It grows 8 inches to 3 feet tall. At the end of the vegetative growth, this plant produces a spikelet of oval …