1 / 2

Key characteristics

Family: Ranunculaceae
Height: 1-2 feet
Width: 1-2 feet
Flower color: Double lavender flowers on tall spikes
Foliage color: Dark green, deeply lobed leaves
Bloom time: Early summer through fall, with potential for reblooming
Light: Full sun
Water: Average
Maintenance: Low; deadhead spent blooms to encourage reblooming; cut back in late fall or early winter
Growing zone: USDA zones 3 to 8
Wildlife: Attracts bees, butterflies, and hummingbirds; deer resistant

Perennials

Delphinium Delgenius 'Shelby'

Shelby Larkspur

Delphinium Delgenius 'Shelby', commonly known as Shelby Larkspur, is a deciduous herbaceous perennial that produces tall spires of double lavender flowers on sturdy, well-branched stems. These blooms emerge from a frilly mound of green foliage, creating an elegant display from May to July.

Beyond its visual appeal, 'Shelby' attracts bees, butterflies, and hummingbirds, adding life and energy to the garden. Its sturdy stems make it suitable for mixed beds, borders, and cut flower arrangements, providing continuous color throughout the summer months.

Light

Full sun

Water

Average

Bloom time

Early summer through fall, with potential for reblooming

Find this plant

Works well in

Borders
Sun Gardens
Pollinator Gardens
Hummingbird Gardens
Containers

Companion plants

Asters · Catmint · Coreopsis · Bearded irises · Bee balm · Yarrow

Design tip

Fall bloom is its strength, and it earns a place near a path or seating area used late in the year. Give it open sun and room to fill out, and repeat it in threes or fives so the planting reads as one sweep instead of scattered dots.

Printable plant sheet (PDF)