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Delphinium glaucum S. Wats.
Sierra larkspur, Tower larkspur
USDA Symbol: degl3
USDA Native Status: Native to U.S.
Rising from a woody rootstock, the stout, leafy stems of this perennial reach 3-6 ft. in height. Leaves are palmately divided and toothed becoming gradually smaller up the stem. Both the leaves and the stems have a grayish, waxy covering. Densely flowered racemes are up to 16 in. long and are made up of spurred, blue-purple flowers.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: Blue , Purple
Bloom Time: Jul , Aug , Sep
AK , AZ , CA , CO , ID , MT , NV , OR , UT , WA , WY Canada: AB Native Distribution:
Mts. from AK to Madera Co., CA, e. to the Rockies Native Habitat:
Wet, subalpine to alpine meadows & stream banks USDA Native Status: L48(N), AK(N), CAN(N)
Growing ConditionsWater Use: High
Light Requirement: Part Shade
Soil Moisture: Moist , Wet
CaCO3 Tolerance: Medium
Soil Description: Wet or moist soils.
Birds, Hummingbirds, Butterflies Warning:
Plants of the genus
Delphinium contain toxins, and no parts of them should ever be eaten. They can be fatally poisonous to both humans and animals. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil. Conspicuous Flowers:
Birds , Hummingbirds
PropagationDescription: Sow fresh seeds in fall for outdoor stratification.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Recommended Species Lists
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Record Modified: 2007-01-01
Research By: TWC Staff