Top row, left to right: Anemone blanda ‘White Splendour’ with Siberian squill; Narcissus ‘Thalia’ with grape hyacinths; star-of-Bethlehem (Ornithogalum nutans) with forget-me-nots; white bleeding heart (Lamprocapnos spectabilis ‘Alba’).

Second row: blue false indigo (Baptisia australis) and ‘Duchesse de Nemours’ peony; Evolvulus ‘Blue My Mind’ with white verbena and Thunbergia alata ‘Sunrise White‘; white spider flower (Cleome spinosa ‘White Queen’) with Salvia farinacea ‘Victoria Blue’; dropwort (Filipendula  vulgaris) with catmint (Nepeta x faassenii ‘Blue Wonder’).

Third row: Russian sage (Perovskia atriplicifolia) with white blazing star (Liatris spicata ‘Floristan White’); white swamp mallow (Hibiscus moscheutos ‘Blue River II’) against a blue wall; Russian sage (Perovskia atriplicifolia) with flowering tobacco (Nicotiana alata); fall snakeroot (Actaea simplex) with fall monkshood (Aconitum carmichaelii ‘Arendsii’).