Berberidaceae

Edward F. Gilman, Ryan W. Klein, and Gail Hansen

This document provides a comprehensive overview of the Japanese barberry (Berberis thunbergii), detailing its characteristics, growth habits, and uses. It describes the plant’s adaptability to various light exposures and soil types, its ornamental features such as persistent red fruits and fall colors, and its potential as a hedge or barrier plant. The document also highlights the plant’s invasive potential and provides information on its hardiness zones, growth rate, and pest resistance. Additionally, it lists several cultivars and discusses common pests and diseases that affect the plant, along with methods for their control. Original publication date October 1999.

Edward F. Gilman, Ryan W. Klein, and Gail Hansen

This document provides an overview of the Oregon grapeholly (Mahonia aquifolium), a shrub known for its holly-like leaves, blue fruits, and yellow flowers. It details the plant’s growth habits, including its height, spread, and growth rate, as well as its preferred growing conditions such as light, soil, and water requirements. The document also highlights the plant’s ornamental features, pest resistance, and potential uses in landscaping. Additionally, it mentions various cultivars of Oregon grapeholly, each with unique characteristics. Original publication date October 1999.

Edward F. Gilman, Keighly Graves, Wendy Wilber, Tom Wichman, Claire Lewis, Gail Hansen, andRyan Klein

Wintergreen barberry is a hard shrub which produces yellow blooms in spring, followed by blue-black berries. It is ideal for use as a hedge or barrier and may be used as a border or foundation planting.