Penstemon 'Port Wine'

Salvia 'Hot Lips'

Penstemon 'Evelyn'

Penstemon 'Sour Grapes'

Penstemon ‘Alice Hindley’

Salvia greggii 'Mesa Azure'

Salvia 'African Sky'

Salvia nemorosa 'Amethyst'

Betonica officinalis 'Hummelo'

Rudbeckia fulgida 'Goldsturm'

Aster laeve 'Orpheus'

Salvia ‘Cardinal Purple’

Achillea clypeolata

Salvia muirii

Dianthus carthusianorum

Echinops ritro