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Bruso, George H.
Ipomopsis aggregata ssp. aggregata (Pursh) V. Grant
Scarlet gilia, Skyrocket
Synonyms: Gilia aggregata
USDA Symbol: IPAGA3
USDA Native Status: Native to U.S.
The showy biennial, skyrocket or scarlet gilia, bears clusters of tubular flowers scattered along the upper portion of its stiff, unbranched, 6 ft. stem. The showy flowers are normally brilliant red but sometimes pink or even pale orange. Leaves are mostly near the base of the plant and divided into narrow segments.
In nature, browsing by mule deer and elk prior to the flowering season stimulates growth of multiple flowering stems and increases flower production. Hummingbirds also visit these flowers for sustenance.
Plant CharacteristicsDuration: Biennial Habit: Herb Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: Red
Bloom Time: May , Jun , Jul , Aug , Sep
CO , ID , MT , NV , UT , WA , WY Native Distribution:
S. B.C. to MT, s., e. of the Cascades, to CA & NM Native Habitat:
Shrubby brushland; open, coniferous forests USDA Native Status: L48(N), CAN(N)
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
Soil Moisture: Dry
CaCO3 Tolerance: High
Soil Description: Dry, sandy or rocky soils.
Conditions Comments: In nature, browsing by mule deer and elk prior to the flowering season stimulates growth of multiple flowering stems and increases flower production. Early season pinching and give the same effect.
BenefitUse Wildlife: Showy gilia is browsed by deer. Hummingbirds attracted to the flowers.
Conspicuous Flowers: yes
Easily grown from untreated seed. Plant two years in a row. Seed Collection:
The dozen small seeds in the oval capsule
fruits mature about a month after pollination. Seed Treatment:
No pretreatment is necessary. Commercially Avail:
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Record Modified: 2007-01-01
Research By: TWC Staff