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NE Ohio Garden
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Larkspur

Delphinium


Description:

Adds vertical strokes of rich color to the summer garden palette. They are best grown in a sunny location in rich, well-drained soil.  Use stakes or plant rings to support the tall bloom-covered stalks.  Do not cut back until early spring.  However, they will re-bloom if cut back hard after first bloom. 
 
Common Name: Larkspur
Botanical Name: Delphinium
Type: Perennial
Soil Preference: Prefers a moist, well-drained soil with a neutral pH
Light Requirements: Full Sun to light shade
Attributes: Attracts birds; good cut flower; good dried flower
Pests: Snails, slugs, spider mites, leaf spots, cut worms, leaf miners, mealybugs, millipedes, thrips, stem borers, nematodes
Diseases: Canker, crown gall and rot, leaf gall and spots, powdery mildew, rust, wilt, gray mold
Good Companion Plants: Bee Balm, Clematis, Coneflower, False Sunflower, Forget-Me-Not, Tall Bearded Iris, Garden Peony, Pinks, Shasta Daisy
Care:

Fertilize regularly with Plant-tone for good blooms.   They may need to be staked to keep blooms erect.  Remove spent flowers to encourage a second bloom. Do not cut back in fall; cut back in spring.  Can be divided in fall or early spring.

Planting Instructions:   Perennials

 

Varieties:

This variety listing is for informational purposes only, it is not a catalog. 
To view our catalog or availability, click here

 


Click on image to view larger size


Delphinium elatum 'Aurora Blue'
Larkspur
zones 3-9
 
Description:  A new F1 hybrid with great vigor, thick sturdy stems, and excellent uniformity.  Forms tall dense spires of extremely showy, double bright blue flowers with a white bee. Excellent cut flower .
Bloom Color: Blue
Bloom Time: June
Foliage Color: Green
Height: 36-42"
Spread: 18"


Click on image to view larger size


Delphinium elatum 'Aurora Light Purple'
Larkspur
zones 3-9
 
Description:  A new F1 hybrid with great vigor, thick sturdy stems, and excellent uniformity.  Forms tall dense spires of extremely showy, double lavender flowers with a white bee.  Excellent cut flower.
Bloom Color: Lavender
Bloom Time: June
Foliage Color: Green
Height: 36-42"
Spread: 18"


Click on image to view larger size

Thank you to Walters Gardens
for image use

Delphinium elatum 'Blue Bird'
Larkspur
zones 3-7
 
Description: Clear medium blue flowers with a white central bee.
Bloom Color: Blue
Bloom Time: June
Foliage Color: Green
Height: 60"
Spread: 18"


Click on image to view larger size

 

Delphinium elatum 'Black Knight'
Larkspur
zones 3-7
 
Description:  Deep violet flowers with a dark central bee.
Bloom Color: Violet
Bloom Time: June
Foliage Color: Green
Height: 60"
Spread: 18"


Click on image to view larger size

 

Delphinium elatum 'Blushing Brides'
Larkspur
zones 3-7
 
Description:  Bold spires of rich mulberry pink to soft dusky pink flowers with brown or white bees stand up to 6' tall, adding a dramatic presence to the landscape in early summer. Removing spent flower spikes will result in another round of blooms on secondary spikes in late summer and fall. However, its large, coarsely textured leaves make this plant attractive even when it's not in bloom. This selection is a member of the New Millennium Hybrids.
Bloom Color: Pink
Bloom Time: June
Foliage Color: Green
Height: 48-72"
Spread: 18-24"


Click on image to view larger size
Delphinium grandiflorum 'Blue Butterfly'
Larkspur
zones 3-7
 
Description:  Totally unlike the tall, spiky Delphinium cultivars, this little beauty stands at a height of 14" and forms compact mounds of well-branched foliage. It puts on a spectacular show from early summer to fall, with 1.5", deep blue flowers which cover the lacy leaves. Though it is short-lived, it is worth using as edging, a bedding plant, or in containers combined with brightly colored annuals.
Bloom Color: Blue
Bloom Time: June
Foliage Color: Green
Height: 14-18"
Spread: 12"


Click on image to view larger size
Delphinium elatum 'Blue Lace'
Larkspur
zones 3-7
 
Description:  Densely packed true sky blue flowers have a touch of lavender pink and are presented on very strong stems in early summer. Removing spent flower spikes will result in another round of blooms on secondary spikes in late summer and fall. Its large, deeply incised leaves make this plant attractive even when it's not in bloom.
Bloom Color: Blue
Bloom Time: June
Foliage Color: Green
Height: 5-6'
Spread: 18-24"


Click on image to view larger size


Delphinium grandiflorum 'Butterfly Light Blue'
Larkspur
zones 3-7
 
Description:  Sky blue flowers with white bees.  A great selection if you have fun out of stakes!
Bloom Color: Blue
Bloom Time: June
Foliage Color: Green
Height: 12"
Spread:  


Click on image to view larger size

Thank you to Growing Colors for image use

Delphinium grandiflorum 'Butterfly Rose'
Larkspur
zones 3-7
 
Description:  A new selection in the 'Butterfly' series. Open panicles of rose-pink double flowers in early summer. Forms compact mounds of delicate fern-like foliage. More heat and humidity tolerant then other varieties. Attracts butterflies & hummingbirds.
Bloom Color: Pink
Bloom Time: June
Foliage Color: Green
Height: 14-16"
Spread: 18"


Click on image to view larger size


Delphinium grandiflorum 'Butterfly Series White'
Larkspur
zones 3-7
 
Description:  A new dwarf form with pure white flowers.
Bloom Color: White
Bloom Time: June
Foliage Color: Green
Height: 12"
Spread:  


Click on image to view larger size

 

Delphinium Magic Fountains 'Cherry Blossom'
Larkspur
zones 4-7
 
Description:  Soft, lavender-pink blooms.
Bloom Color: Pink
Bloom Time: June
Foliage Color: Green
Height: 24-36"
Spread:  


Click on image to view larger size

Photo courtesy of Dowdeswell's Delphiniums (WG)

 

Delphinium New Millenium 'Cobalt Blue'
Larkspur
zones 3-7
 
Description:  Produces strong, tall spires tightly packed with cobalt blue florets with brightly contrasting white central bees.  Draws your attention from quite a distance and adds  architectural presence to the garden in early summer and fall! 
Bloom Color: Blue
Bloom Time: June
Foliage Color: Green
Height: 48-72"
Spread: 18-24"


Click on image to view larger size


Delphinium grandiflorum 'Conneticut Yankee'
Larkspur
zones 3-7
 
Description:  Displays a mix of various shades of blue and white colored single flowers. 
Bloom Color: Mix
Bloom Time: June
Foliage Color: Green
Height: 30"
Spread: 18"


Click on image to view larger size

Photo courtesy of Dosdeswell's Delphiniums (WG)
 


Delphinium New Millenium 'Dwarf Stars'
Larkspur
zones 3-7
 
Description:  If you love the look of traditionally tall Delphiniums but they’re just too tall for you, you’re in luck!  Topping out under
30” tall, these new dwarfs never need staking!  Blooms in mixed colors of purple, blue, mauve, pink, lilac and cream. Bushy, well-branched habit with strong flower stems.  
Bloom Color: Multi
Bloom Time: Early to Late Summer
Foliage Color: Green
Height: 18-30:
Spread: 12-18"


Click on image to view larger size


Delphinium elatum 'Galahad'
Larkspur
zones 3-7
 
Description:  This selection has stately, semi-double, pure-white petals. Removing faded spikes at the base will encourage repeat blooming in fall. Will require staking early in the season.
Bloom Color: White
Bloom Time: June
Foliage Color: Green
Height: 60"
Spread: 18"


Click on image to view larger size


Delphinium elatum 'Green Twist'
Larkspur
zones 4-7
 
Description:  A unique new selection with white flowers flushed with light green when they are young. For best color results, they should be sited in partial shade or viewed in the morning when their color appears most pronounced. Plants are relatively short and strong.  A member of the New Zealand Hybrids. The English hybrid type of delphiniums are bred by Dowdeswell's Delphiniums in New Zealand and are hand crossed to produce the highest quality seed. These F1 hybrids have excellent form, strong stems, and a vigorous growth habit. They were selected for their improved tolerance of heat and humidity, while retaining their cold hardiness.
Bloom Color: White w/light green
Bloom Time: June
Foliage Color: Green
Height: 4-6'
Spread: 2'


Click on image to view larger size


Delphinium x 'Guinevere'
Larkspur
zones 4-7
 
Description:  Light lavender flowers.
Bloom Color: Lavender
Bloom Time: June
Foliage Color: Green
Height: 60"
Spread: 18"


Click on image to view larger size
Delphinium 'King Arthur'
Larkspur
zones 3-7
 
Description:  Brilliant royal violet with large white bees.
Bloom Color: Violet
Bloom Time: June
Foliage Color: Green
Height: 60"
Spread: 18"


Click on image to view larger size


Delphinium 'Lilac Pink - White Bee'
Magic Fountains Series
Larkspur
zones 4-7
 
Description:  Frilled pink flowers have white bees.  Makes a great cut flower.
Bloom Color: Pink
Bloom Time: June
Foliage Color: Green
Height: 24-30"
Spread: 6-10"


Click on image to view larger size


Delphinium elatum 'Misty Mauves'
Hybrid Bee Delphinium, Larkspur
zones 3-7
 
Description:  A newer, more compact selection with frilly flowered, double to nearly double flowers in a range of colors from dark purple to light mauve.  Removing spent flower spikes may result in another round of blooms in late summer and fall.
Bloom Color: Mixed
Bloom Time: June
Foliage Color: Green
Height: 36-48"
Spread: 18-24"


Walters Gardens, Inc.

Click on image to view larger size

Delphinium elatum 'Moonlight Blues'
Larkspur
zones 3-7
 
Description:  Stunning sky blue flowers with the slightest hint of pink have perfectly contrasting dark bees.  The color of the bee ranges from black to brown to blue striped and it really adds some pop to these cool blue blossoms. Deadhead for re-bloom.
Bloom Color: Sky Blue
Bloom Time: June
Foliage Color: Green
Height: 30-36"
Spread: 18-24"


Walters Gardens, Inc.

Click on image to view larger size

Delphinium 'Morning Lights'
Larkspur
zones 3-7
 
Description:  A newer, more compact selection of Delphinium with frilly lavender pink blossoms with a touch of blue and a white bee.  They are produced in large panicles, putting on a spectacular show in early summer.  Remove spent flower spikes for a second flush of flowers.
Bloom Color: Lavender Pink
Bloom Time: June
Foliage Color: Green
Height: 36"
Spread: 18-24"


Click on image to view larger size


Delphinium 'New Millenium Mix'
Larkspur
zones 3-7
 
Description:  These vigorous plants are a major breakthrough in Delphinium breeding!  This plant ignores the harshest summer heat and humidity.  Stems are strong and need no staking.  Mixed flower colors.
Bloom Color: Mixed
Bloom Time: June
Foliage Color: Green
Height: 72-96"
Spread: 18-24"


Click on image to view larger size


Delphinium elatum 'New Millenium Stars'
Hybrid Bee Delphinium, Larkspur
zones 3-7
 
Description: A mix of some of our favorite Delphinium including Blue Lace, Blushing Brides, Green Twist and Misty Mauves.  The flowers will range in color from white to pink to purple. 
Bloom Color: Mixed
Bloom Time: June
Foliage Color: Green
Height: 36-60"
Spread: 18-24"


Click on image to view larger size

Thank you to Walters Gardens, Inc. for image use


Delphinium elatum 'Pagan Purples'
Larkspur
zones 3-7
 
Description: Bold spires of very dark bluish-purple flowers with white or brown bees stand up to 6' tall, adding a dramatic presence to the landscape in early summer. Approximately 10% of these flowers will be either white or pale mauve and are often double flowered. Removing spent flower spikes will result in another round of blooms on secondary spikes in late summer and fall. However, its large, coarsly textured leaves make this plant attractive even when it's not in bloom.
Bloom Color: Purple-blue shades
Bloom Time: June
Foliage Color: Green
Height: 48-72"
Spread: 18-24"


Click on image to view larger size


Delphinium elatum 'Purple Passion'
Larkspur
zones 3-7
 
Description: You'll spot this one from quite a distance! 'Purple Passion' sports intense, deep purple blossoms with a purple and white striped bee. The densely packed flower spikes are produced on very strong stems that do not require staking. Large, deeply incised, green leaves make this plant attractive even when it's not in bloom.
Bloom Color: Deep purple
Bloom Time: June
Foliage Color: Green
Height: 4-5'
Spread: 18-24"


Click on image to view larger size


Delphinium 'Royal Aspirations'
Larkspur
zones 3-7
 
Description: Bold spires of mixed shades of blue flowers with white bees stand up to 6' tall, adding a dramatic presence to the landscape in early summer.  Removing spent flower spikes will result in another round of blooms in late summer and fall.  Its large textured leaves make this plant attractive even when not in bloom.
Bloom Color: Blue
Bloom Time: June
Foliage Color: Green
Height: 48-72"
Spread: 18-24"


Click on image to view larger size

Photo courtesy of Walters Gardens, Inc.


Delphinium grandiflorum 'Summer Blues'
Larkspur
zones 3-7
 
Description:  Totally unlike the tall, spiky Delphinium cultivars, this little beauty stands at a height of 10"-12" and forms compact mounds of well-branched foliage. It puts on a spectacular show from early summer to fall, with soft sky blue flowers which cover the lacy leaves. Though it is short-lived, it is worth using as edging, a bedding plant, or in containers combined with pastel colored annuals.
Bloom Color: Sky blue
Bloom Time: June
Foliage Color: Green
Height: 10-12"
Spread: 12"


Click on image to view larger size

Photo courtesy of  Walters Gardens, Inc.

Delphinium grandiflorum 'Summer Cloud'
Larkspur
zones 3-7
 
Description: Rounding out our collection of dwarf delphiniums comes this floriferous new bicolor blue and white selection.  Like ‘Summer Nights’, the flowers are vibrant deep blue but have a bright white center.  It is the first-ever bicolor D. grandiflorum, a species that is more heat tolerant and has an earlier bloom time than other delphiniums.  Unlike the tall, spiky varieties, this little beauty forms a compact mound of well-branched foliage.  ‘Summer Cloud’ is slightly more compact than others in the series.  The bicolor blue and white flowers cover the lacy foliage from early through late summer. 
Bloom Color: Blue Shades
Bloom Time: June
Foliage Color: Green
Height: 10-12"
Spread: 12"


Click on image to view larger size

Photo courtesy of  Walters Gardens, Inc..


Delphinium grandiflorum 'Summer Morning'
Larkspur
zones 3-7
 
Description:  Totally unlike the tall, spiky Delphinium cultivars, this little beauty stands at a height of 10"-12" and forms compact mounds of well-branched foliage. It puts on a spectacular show from early summer to fall, with romantic light pink flowers which cover the lacy leaves. Though it is short-lived, it is worth using as edging, a bedding plant, or in containers combined with pastel colored annuals.
Bloom Color: Pink Shades
Bloom Time: June
Foliage Color: Green
Height: 10-12"
Spread: 12"


Click on image to view larger size

Photo courtesy of  Walters Gardens, Inc.


Delphinium grandiflorum 'Summer Nights'
Larkspur
zones 3-7
 
Description:  Totally unlike the tall, spiky Delphinium cultivars, this little beauty stands at a height of 10"-12" and forms compact mounds of well-branched foliage. It puts on a spectacular show from early summer to fall, with satiny midnight blue flowers which cover the lacy leaves. Though it is short-lived, it is worth using as edging, a bedding plant, or in containers combined with brightly colored annuals.
Bloom Color: Blue
Bloom Time: June
Foliage Color: Green
Height: 10-12"
Spread: 12"


Click on image to view larger size


Delphinium 'Summer Skies'
Larkspur
zones 4-7
 
Description:  Light blue blossoms with a dark central bee.
Bloom Color: Blue
Bloom Time: June
Foliage Color: Green
Height: 60"
Spread:  


Click on image to view larger size

Photo courtesy of Gardenworld/
Growing Colors


Delphinium 'Sweethearts'
New Millennium Larkspur
zones 3-9
 
Description:  Produces tall, stately spires of flowers in shades of rose to soft pink with a contrasting white “bee” in the middle. The deeply-cut leaves form a medium-sized bushy mound. May require staking. Removing spent flowers to encourage repeat blooming in fall.
Bloom Color: Rose/Soft Pink
Bloom Time: June
Foliage Color: Green
Height: 48-60"
Spread: 18-24"
 

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