First Hints of Spring - Willow Trees in Flower - Colorado Native Plant Society

Spring comes earlier when gardens are planted with early-season shrubs and flowers

Tasty Treats From the Redbud Tree

Gardening with Native Plants: Early Flowers

Keep Growing Spring 2012 by Chicago Botanic Garden - Issuu

The Cottonwoods,' Populus : A plant profile — of sedge & salt

Salix exigua (Coyote Willow)

How to Plant Weeping Willow Trees: 13 Steps (with Pictures)

Colorado Wild Flowers, by Harold and Rhoda Roberts—a Project Gutenberg eBook

Willow Collection Chadwick Arboretum & Learning Gardens

Willow Desert Sierra Vista Growers

First Hints of Spring - Willow Trees in Flower - Colorado Native Plant Society

Chilopsis linearis

Wildflower Viewing - Joshua Tree National Park (U.S. National Park Service)