Macleaya microcarpa
Malva moschata 'Rosea'
Mertensia virginica
Monarda didyma 'Cambridge Scarlet'
Monarda didyma 'Coral Reef'
Monarda didyma 'Fireball'
Monarda didyma 'Grand Marshall'
Monarda didyma 'Grand Parade'
Monarda didyma 'Purple Rooster'
Monarda didyma 'Petite Delight'
Monarda didyma 'Pink Lace'
Monarda didyma 'Pink Supreme'
Monarda didyma 'Prairie Night'
Monarda didyma 'Raspberry Wine'
Mukdenia rossi 'Crimson Fans'
Nepeta 'Dawn to Dusk'
Nepeta faasenni 'Six Hill's Giant'
Nepeta faasenni 'Walker's Low'
Oenothera fruticosa 'Fireworks'
Oenothera macrocarpa
Oenothera speciosa 'Siskiyou'
Omphalodes cappadocica 'Starry Eyes'
Opuntia compressa
