Plants in genus delphinium
Delphinium carolinianum
Delphinium carolinianum, or Carolina larkspur, is native to central and eastern North America. It produces blue to white flowers in spring and is found in prairies and rocky glades. This plant requires good drainage and disappears after flowering, re-emerging in winter.
Delphinium ajacis
Delphinium ajacis is an annual flowering plant native to Eurasia, known for its tall spikes of vibrant flowers in colors like carmine red, lilac, salmon, blue, pink, and white. Blooming from late spring to early summer, it can continue flowering through fall in mild climates. This plant readily reseeds and is grown as an ornamental, though all parts are toxic if ingested. It is introduced in North America and can reach up to a meter in height.
Delphinium elatum
Delphinium elatum is a tall, elegant perennial with spires of large blossoms in shades of pink, violet, and blue. It attracts hummingbirds and pollinators, making it a standout in any garden. This plant is native to temperate Asia and Europe and requires a sheltered position in full sun with deep, rich soil. It is hardy to -4°F and must be securely staked due to its height.
Delphinium 'Magic Fountains Dark Blue White Bee'
Delphinium 'Magic Fountains Dark Blue White Bee' is a cold-hardy perennial with royal blue to dark royal purple blooms featuring a white 'bee'. It blooms all summer and reblooms in late summer to fall, with flower spikes reaching 2-3 feet. This plant is deer resistant and thrives in full sun with some afternoon shade.
Delphinium 'Magic Fountains Cherry Blossom'
Delphinium 'Magic Fountains Cherry Blossom' is a cold-hardy perennial with creamy mauve double petals and a white cluster center. It blooms all summer, attracts hummingbirds, and is usually avoided by deer.
Delphinium 'Summer Nights'
Delphinium 'Summer Nights' is a dwarf variety known for its dark royal violet-blue to royal purple florets. This cold-hardy plant forms dense clumps that reach 10-12 inches in height and width, requiring no staking. It attracts butterflies and hummingbirds and is deer resistant. Best grown in full sun with afternoon shade, it thrives in well-drained, enriched soil and benefits from regular moisture and feeding.
Delphinium 'Diamonds Blue'
Delphinium 'Diamonds Blue' is a low-maintenance perennial known for its electrified lavender-blue blooms with purple spots. Hardy in USDA zones 3-9, it grows 18-24 inches tall and forms mounds of deep green lobed leaves. This plant is pollinator-friendly, attracting birds, bees, and hummingbirds, and is deer resistant. It thrives in full sun and well-drained soil, preferring cooler climates with low humidity.
Delphinium 'Magic Fountains White Dark Bee'
Delphinium 'Magic Fountains White Dark Bee' is a herbaceous perennial with gleaming pure white semi-double petals and a dark 'bee' in the center. It attracts butterflies and hummingbirds, blooming all summer and potentially reblooming in late summer to fall. This plant is deer-resistant and thrives in full sun with some afternoon shade.
Delphinium 'Summer Mornings'
Delphinium 'Summer Mornings' is a compact perennial with pale pink flowers and deep green foliage. It blooms from early summer through fall and is cold-hardy in USDA zones 3-7. This plant is resistant to deer and rabbits and grows to a height and width of 10-12 inches. It thrives in full sun with afternoon shade and well-drained, enriched soil. Deadheading encourages reblooming, making it a delightful addition to gardens.
Delphinium grandiflorum 'Summer Blues'
Delphinium grandiflorum 'Summer Blues' is a dwarf cultivar with sky blue florets and a height of 10-12 inches. It forms compact mounds of well-branched foliage with deeply incised dark green leaves. This plant is heat and cold tolerant, thriving in full sun with afternoon shade and well-drained soil.
Delphinium 'Million Dollar Blush'
Delphinium 'Million Dollar Blush' is a captivating perennial known for its soft pink, double-flowered spires that attract butterflies, bees, and hummingbirds. It can grow up to 3 feet tall and blooms from summer into fall. This plant thrives in USDA zones 3 to 7, preferring rich, moist, well-drained soil and regular watering. It is deer resistant and benefits from mulching and feeding. Its dense clumps of airy foliage add a touch of elegance to any garden.
Delphinium 'Summer Stars'
Delphinium 'Summer Stars' is a compact plant with brilliant white star-shaped flowers, known for its heat tolerance and early blooming. It attracts pollinators and hummingbirds, thriving in full sun with well-drained soil.
Delphinium 'Blue Lace'
Delphinium 'Blue Lace' is a striking plant with sky-blue flowers that have a hint of lavender pink, attracting hummingbirds and butterflies. It grows 5-6 feet tall and is resistant to deer, rabbits, and powdery mildew. Thriving in USDA zones 3-7, it prefers full sun and well-drained soil, requiring regular moisture and mulch.
Delphinium carolinianum 'Bastrop'
Delphinium carolinianum 'Bastrop' is a native plant found in dry sandy areas of Texas, featuring a rosette of leaves and a 2-foot tall flower stalk. It blooms in May with stunning pure blue flowers and requires good drainage to thrive.
Delphinium grandiflorum 'Blue Butterfly'
Delphinium grandiflorum 'Blue Butterfly' is a compact plant with sky blue trumpet-shaped flowers that bloom from early to mid-summer. It attracts bees, butterflies, and hummingbirds, and is more heat tolerant than most Delphiniums. This low-maintenance plant grows up to 18 inches tall and is deer and rabbit resistant.
Delphinium 'Pink Punch'
Delphinium 'Pink Punch' is a cold-hardy perennial known for its deep double pink spires that bloom early in the season. It attracts hummingbirds and butterflies and is resistant to deer, rabbits, and pests. This plant grows 3-5 feet tall and 1-2 feet wide, preferring full sun with afternoon shade and well-drained, enriched soil. It appreciates regular moisture and mulch, reblooming throughout summer into fall.
Delphinium requienii
Delphinium requienii is a biennial plant native to Southwest Europe, featuring a glossy bright green basal rosette and mauvy purple flowers on 3-foot tall stalks in late spring. After flowering, the plant disappears and reappears in early fall, reseeding itself in place. It is suitable for sunny locations and attracts butterflies, making it a charming addition to gardens.