| 1998 Winners
|
| Aesculus parviflora |
Clethra anifolia’Ruby Spice’ |
|
Mahonia bealei |
 |
| Schizophragma hydrangeoides ‘Moonlight’ |
Thuja ‘Green Giant’
|
|
1997 Winners
|
| Acer palmatum ‘Tamukeyama’ |
Buxus ‘Green Velvet’ |
| Juniperus virginiana ‘Corcorcor’ Emerald Sentinel |
Koelreuteria paniculata ‘September’ |
| Magnolia kobus var. stellata ‘Centennial’ |
Viburnum x burkwoodii ‘Conoy’ |
|
1996 Winners
|
| Acer triflorum |
Ilex x meserveae ‘Mesid’ Blue Maid |
| Ilex verticillata ‘Scarlett O’Hara’ |
|
Sryinga reticulata
‘Ivory Silk’ |
 |
|
1995 Winners
|
| Aesculus pavia |
Halesia diptera var. magniflora |
|
Heptacodium
miconioides |

|
| Ilex verticillata ‘Winter Red’ |
|
|
1994 Winners
|
| Abies nordmanniana |
Cephalotaxus harringtonia ‘Prostrata’ |
| Cladrastis kentukea (C.
lutea) |
Clethra alnifolia ‘Hummingbird’ |
| Ilex glabra ‘Densa’ |
Prunus ‘Hally Jolivette’
|