Sources for some of these ground covers include: Roslyn Nursery, 211 Burrs Lane, Dix Hills, N.Y. 11746; (516) 643-9347; catalogue, $3.

Blue Ice, Blue Mist, and Dusty Zenobia are available from Roslyn Nursery (www.roslynnursery.com), (631) 643-9347.

A wide selection of redbuds are available from Forestfarm, www.forestfarm.com or (541)846-7269, and from Roslyn Nursery, www.roslynnursery.com or (631)643-9347.

Plants are available from many sources, including Roslyn Nursery, 211 Burrs Lane, Dix Hills, N.Y. 11746; (631) 643-9347; www.roslynnursery.com (catalog $3).

The sources include Roslyn Nursery, (631) 643-9347 or www.roslynnursery.com, and Woodlanders, (803) 648-7522 or www.woodlanders.net.

Atropurpureum and Chocolate plants are sold by Roslyn Nursery, www.roslynnursery.com or (631) 643-9347.

A Long Island nursery is propagating some of these hardier camellias: Roslyn Nursery, 211 Burrs Lane, Dix Hills, N.Y. 11746.

All of these camellias are available in limited supply from Roslyn Nursery, 211 Burrs Lane, Dix Hills, N.Y. 11746.

Sources include Roslyn Nursery (631) 643-9347 or roslynnursery.com, and Digging Dog nursery (707) 937-1130, diggingdog.com.

Roslyn Nursery (211 Burrs Lane, Dix Hills; 516-643-9347), run by Dr. Philip Waldman, a practicing dentist, has hundreds of unusual perennials and evergreens.