Just because summer is coming to an end doesn't mean that colorful flowers are too.

Apache Sunset Hyssop  Agastache rupestris 'Apache Sunset'

Butterfly-Bush  Buddleja davidii 'Harlequin'

Purple Coneflower  Echinacea purpurea

Sunflower  Helianthus annuus

Hartweg's Beardtongue  Penstemon hartwegii 'Giganteus'