Blooming March and April in pink, clover-like shaggy masses on hillsides and valleys, is the annual wildflower, purple owl’s clover (Castilleja exserta, formerly Orthocarpus pupurascens). The upright, ...

Purple prairie clover is a tough, upright plant with abundant purple flowers that are impervious to late summer heat and drought. A deep-rooted, nitrogen-fixing legume, it can handle and improve ...

Call it a flower or call it a weed — clover is a plant everyone knows. Who hasn’t idled away an hour hunting for a four-leaf clover, hoping for good luck? A member of the legume family, clover is ...