Allamand Randy L.
Allen Douglas R.
Alston Frank H.
Alston Jimmy A.
Amador Julio
Amate Archie A.
Amemiya Hodge
American Daylily and Perennials
American Garden Cole, Inc.
AMFAC Garden Perry's Inc.
Ammerlaan P. G. M.
Amorao Amado Q.
Andel Jacob V.
Andel Jacob van
Andersen Robert L.
Anderson Frederic W.
Anderson Fredric W.
Anderson Malcolm M.
Anderson Neil O.
Anderson Richard Colin