Sean Hogan is the co-founder of Cistus Design in Portland, Oregon. He was formerly a horticulturist at the University of California, Berkeley Botanic Garden, where he managed the New World Desert, Australia/New Zealand, Africa, and California-cultivar gardens. He is a frequent contributor to horticultural journals such as the "Rock Garden Quarterly" and "Pacific Horticulture".
Trees for All Seasons: Broadleaved Evergreens for Temperate Climates
It's simple: broadleaved evergreens are trees that don't lose their leaves. And despite their versatility and beauty, they are often underused. This work includes descriptions and photographs of more than 300 choice trees.