Delphinium, Candle Delphinium, Larkspur 'Summer Skies'

Delphinium

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Delphinium (del-FIN-ee-um)
Synonym
Spacing
36-48 in. (90-120 cm)
Sun Exposure
18-24 in. (45-60 cm)
Danger
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Seed Collecting
Full Sun
Fruit Shape
All parts of plant are poisonous if ingested
Fruit Size
Light Blue
Blue-Violet
Fruit Colors
Mid Summer
Mid Fall
Growing Habit
Herbaceous
Days to Maturity
Seed Type
By dividing the rootball
From herbaceous stem cuttings
Allow cut surface to callous over before planting
By air layering
Disease Resistance
Allow pods to dry on plant; break open to collect seeds
Seed does not store well; sow as soon as possible
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Perennials
Where to Grow
Other details
Propagation Methods
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Regional

This plant is said to grow outdoors in the following regions:

Ouray, Colorado

Waterbury, Connecticut

Bridgehampton, New York

Orchard Park, New York

Meshoppen, Pennsylvania

Salt Lake City, Utah

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Gardener's Notes:

3
positives
0
neutral
0
negative
Sort By:
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P
Auburn Four Corners, PA (Zone 5a) | July 2009 | positive

I've grown delphiniums before, always from seed, and this one was no exception. It grew easily and, to my surprise, bloomed the first yea...Read More

B
Orchard Park, NY (Zone 5a) | February 2009 | positive

This delphinium has the most beautiful color I have ever seen, so delicate. It did bloom the first year. These came in a fall shipment, I...Read More

M
Waterbury, CT | July 2008 | positive

The flowers are beautiful. Bloomed first year.

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