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Native Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Collomia grandiflora (Collomia)
Bransford, W.D. and Dolphia

Collomia grandiflora Dougl. ex Lindl.

Collomia, Grand collomia, Large-flower mountain-trumpet

Polemoniaceae (Phlox Family)

USDA Symbol: COGR4

USDA Native Status: Native to U.S.

Large-flower mountain-trumpet or collomis is a leafy, erect annual, 4 in. to 3 ft. high. Its stems are usually unbranched and its leaves are narrow, becoming smaller upward. Funnelform flowers, occurring in dense, terminal heads, are yellow-salmon to almost white.

 

From the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Flower:
Fruit:
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Orange , Yellow
Bloom Time: Apr , May , Jun , Jul

Distribution

USA: AZ , CA , CO , ID , MT , NV , OR , UT , WA , WY
Canada: BC
Native Distribution: B.C. to Missoula Co., MT, s. to CA, AZ & w. CO
Native Habitat: Open, wooded slopes below 8000 ft.
USDA Native Status: L48(N), CAN(N)

Growing Conditions

Light Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Dry soils.
Conditions Comments: Not Available

Propagation

Description: Not Available
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

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

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Collomia grandiflora in USDA Plants
FNA: Find Collomia grandiflora in the Flora of North America (if available)
Google: Search Google for Collomia grandiflora

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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