Dragon's Head 'Blue Ice'

Dracocephalumargunense

Family
Lamiaceae (lay-mee-AY-see-ee)
Genus
Dracocephalum (dray-koh-SEF-uh-lum)
Species
argunense (ar-gun-EN-see)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
This plant is resistant to deer
Height
12-18 in. (30-45 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
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)
Bloom Color
Light Blue
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

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

Royal Oak, Michigan

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Gardener's Notes:

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neutral
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negative
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Royal Oak, MI (Zone 6a) | June 2011 | neutral

Adding this plant to my garden and wanted to post the catalog description:

Ice blue snapdragon flowers are perfect for the...Read More

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(Aphelocoma californica)
Featured
Striped Bark Scorpion
(Centruroides vittatus)
California Scrub Jay (formerly Western Scrub Jay )
(Aphelocoma californica)