Delphinium, Chinese Delphinium 'Blue Mirror'

Delphiniumgrandiflorum

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Delphinium (del-FIN-ee-um)
Species
grandiflorum (gran-dih-FLOR-um)
Synonym
Sun Exposure
Full Sun
Foliage
This plant is resistant to deer
Smooth
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
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)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Dark Blue
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Blue-Green
Where to Grow
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
Seed Collecting
Regional

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

Brea, California

GARBERVILLE, California

San Diego, California

San Leandro, California

Stockton, California

Chicago, Illinois

Indianapolis, Indiana

Hebron, Kentucky

South Berwick, Maine

Billerica, Massachusetts

Swansea, Massachusetts

Blissfield, Michigan

Burt, Michigan

Mount Pleasant, Michigan

Warwick, New York

Charlotte, North Carolina

Glenshaw, Pennsylvania

Matamoras, Pennsylvania

Olyphant, Pennsylvania

Whitehall, Pennsylvania

Knoxville, Tennessee

Austin, Texas

Lubbock, Texas

San Antonio, Texas

Leesburg, Virginia

Lexington, Virginia

Concrete, Washington

Seattle, Washington

Spokane, Washington

West Bend, Wisconsin

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Featured Videos

Gardener's Notes:

2
positives
1
neutral
1
negative
Sort By:
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W
Matamoras, PA | July 2013 | positive

I purchased this plant at a garden/farm in Warwick, NY. The beautiful blue flowers caught my eye and I had to have it! I was told it wa...Read More

T
Tacoma, WA | June 2012 | positive

I also just found mine at Lowe's a few days ago, and have never seen such a beautiful royal blue color. I am anxious to see how well it d...Read More

M
Cookeville , TN (Zone 5b) | July 2011 | negative

I bought 2 of these plants. They were small. Only one lived and is doing ok. Is only about 8 inches tall and has no flowers

P
Lebanon, TN | May 2010 | neutral

For anyone looking for this plant, I just found it today (5/21/10) at my local Lowes (Lebanon, TN) for $3.33 each. I bought two and will...Read More

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