© Ruth Rogers Clausen: pages 99, 107, 116, 121, 124, 131, 143, 166, 175, 179, 181, 186, 190, 205, 227, 236, 268, 279, 288, 290, 329, 357, 364, 408.
© Nicolas H. Ekstrom / Ruth Rogers Clausen: pages 113, 153, 201, 243, 248, 252, 297, 317, 321, 326, 329, 332, 348, 368, 393.
All other photographs © Alan L. Detrick and Linda Detrick.
The photographers would also like to express their sincere appreciation for the courtesy and assistance extended to them at the following gardens:
Chanticleer Garden, Wayne, PA
Chicago Botanic Garden, Glencoe, IL
Coastal Maine Botanical Gardens, Boothbay, ME
Cornell Plantations, Ithaca, NY
Frelinghuysen Arboretum, Morristown, NJ
Goodstay Gardens, Wilmington, DE
Indianapolis Museum of Art, Indianapolis, IN
JC Raulston Arboretum, Raleigh, NC
Leonard J. Buck Garden, Far Hills, NJ
Longwood Gardens, Kennett Square, PA
Naples Botanical Garden, Naples, FL
The New York Botanical Garden, Bronx, NY
Niagara Parks’ Botanical Gardens, Niagara Falls, Ontario, Canada
North Creek Nurseries, Landenberg, PA
Plant Delights Nursery, Raleigh, NC
The Royal Botanical Gardens, Burlington, Ontario, Canada
Sandy’s Plants, Inc., Mechanicsville, VA
Sarah P. Duke Gardens, Durham, NC
Stonecrop Gardens, Cold Spring, NY
Sunny Border Nurseries, Kensington, CT
Wave Hill, Bronx, NY