Articles
Penstemons for Green Roofs in the Midwest By Brent Horvath from greenroofs.com
Nursery Management & Production Mar 2009 article
American Nurseryman Magazine– Jan 2013 article
Press Releases
Schizachyrium scoparium ‘Little Red Fox’ PPAF and ‘Sandhill’ PPAF April 2023
Sanguisorba x ‘Plum Drops’ PPAF March 2023
Monarda bradburiana ‘Midnight Oil’ PPAF April 2022
Ligularia x ‘Treasure Island’ PPAF April 2022
Sedum spurium ‘Rock Candy’ PPAF April 2021
Sedum sexangulare ‘Yellowstone’ PPAF June 2020
Sedum x ‘Lime Joy’ PPAF September 2019
Pennisetum a ‘Yellow Ribbons’ August 2018
Rudbeckia x ‘American Gold Rush’ PPAF August 2016
Andropogon gerardii ‘Blackhawks’ PPAF July 2016
Sedum ‘Pillow Talk’ and Sedum ‘Rock Star’ June 2016
Sedum ellacombianum ‘Cutting Edge’ PPAF May 2016
Geum Garden Gems Press Release March 2016
Sedum Book Award Press Release July 2015
Veronica x ‘Spike’ May 2014
Andropogon gerardii Indian Warrior PPAF Jun 2012
Penstemon Pocahontas Apr 2012
Geum x Banana Daiquiri and Cosmopolitan Mar 2012
Molinia arundinacea Cordoba Aug 2010
Geranium soboliferum Butterfly Kisses Jul 2010
Sedum x Plum Perfection PPAF May 2010
Geum x Mai Tai PPAF Mar 2010
Geum x Tequila Sunrise PPAF Mar 2009
Polemonium Heaven Scent PPAF Dec 2007
Lamium maculatum Ghost Sept 2007
Pennisetum alopecuroides Piglet PPAF April 2007
Lobelia cardinalis Golden Torch PPAF March, 2007
Autumn Delight ™ Sedum Beka PPAF Jan 2007
Autumn Charm™ stonecrop Sedum Lajos Jan 2006
