Purple

Woodland phlox, Phlox divaricata 'Clouds of Perfume'

Phlox divaricata ‘Clouds Of Perfume’

Nepeta 'Weinheim Big Blue'

Nepeta ‘Weinheim Big Blue’

Nepeta longipes

Nepeta longipes

Nepeta racemosa 'Walker's Low'

Nepeta racemosa ‘Walker’s Low’

Nepeta subsessilis 'Blue Dreams'

Nepeta subsessilis ‘Blue Dreams’

Penstemon 'Fanfare'

Penstemon ‘Fanfare’

Salvia 'Indigo Spires'

Salvia ‘Indigo Spires’

Stokesia laevis 'Klaus Jelitto'

Stokesia laevis ‘Klaus Jelitto’

Non-edible marjoram, Origanum 'Kent Beauty'

Origanum ‘Kent Beauty’

Australian morning star or morning flag lily, Orthrosanthus multiflorus

Orthrosanthus multiflorus

Passion flower, Passiflora 'Silly Cow'

Passiflora ‘Silly Cow’

Fountain grass, Pennisetum thunbergii 'Red Buttons'

Pennisetum thunbergii ‘Red Buttons’

Spanish moss (Tillandsia usneoides)

Tillandsia

Penstemon 'Pensham Czar'

Penstemon ‘Pensham Czar’

Nepeta x faassenii 'Crystal Cloud'

Nepeta x faassenii ‘Crystal Cloud’