Culture: Site plants in a location that receives at least six full hours of sun and is protected from the wind. White Flower Farm is a family-owned mail-order nursery located in northwestern Connecticut. Blue Butterfly Delphinium Plant (Larkspur) Unavailable for 2021 . Plant in well-drained soil amended with organic matter. Connecticut Yankee Delphinium Plant … Space plants … The plants form mounds of dark green, glossy foliage topped in early summer by the dramatic, spurred flowers … More Details. Magic Fountains Lilac Pink with White Bees Delphinium Plant (Larkspur) Price: 15.95 Starts Shipping April 5, 2021. Perennial Larkspur plants make exceptional cut flowers … The genus delphinium includes several species that also go by the common name larkspur, so the names are often used interchangeably. Since 1950 we have been providing a wide range of perennials, annuals, bulbs, shrubs, vines, amaryllis, gardening … Delphinium Taller varieties such as Giant Pacific Hybrid Delphiniums will require staking, while shorter types will be fine without any additional help. A cottage garden favorite, Delphiniums boast spikes of brightly colored flowers in cool colors. Facts: Delphinium. Larkspur is also a common name used for flowers in the genus Consolida, including Consolida ajacis, a relative of plants in the genus delphinium. Family: Ranunculaceae Genus: Delphinium Common Name: Larkspur Origin: Northern Hemisphere, with many species native to the western United States.