Perennial

Golden Variegated Sweet Flag

2020 Acorus gramineus ‘Ogon’
Golden Variegated Sweet Flag

2020 Acorus gramineus ‘Ogon’
Rattlesnake Master

2019 Eryngium yuccifolium
Rattlesnake Master

2019 Eryngium yuccifolium
Indian pink

2018 Spigelia marilandica
Indian pink

2018 Spigelia marilandica
Milkweed

2017 Asclepias
Milkweed

2017 Asclepias
Milkweed

2017 Asclepias
Sedge

2016 Carex species
Sedge

2016 Carex species
Volcano Phlox

2015 Phlox paniculata
Switch Grass

2014 Panicum virgatum cultivars
‘Walker’s Low’ Catmint

2013 Nepeta x faassenii
Arkansas Bluestar

2012 Amsonia hubrichtii
Arkansas Bluestar

2012 Amsonia hubrichtii
Arkansas Bluestar

2012 Amsonia hubrichtii
Giant Coneflower

2011 Rudbeckia maxima
Giant Coneflower

2011 Rudbeckia maxima
Toad Lily

2010 Tricyrtis hirta
Mexican Feather Grass

2009 Nassella tenuissima
Hellebore

2008 Helleborus
Evening Primrose

2007 Oenothera macrocarpa
'Golden Jubilee' Anise Hyssop

2006 Agastache foeniculum 'Golden Jubilee'
Perennial Plumbago

2005 Ceratostigma plumbaginoides
Autumn Sage

2004 Salvia greggii 'Pink Perfernce'
Japanese Painted Fern

2003 Athyrium nipponicum
'Magnus' Purple Coneflower

2002 Echinacea purpurea 'Magnus'
'Siskiyou Pink' Gaura

2001 Gaura lindheimeri 'Siskiyou Pink'
'Homestead Purple' Verbena

2000 Verbena canadensis 'Homestead Purple'
'Powis Castle'

1999 Artemisia 'Powis Castle'