Grand collomia, Large-flower mountain-trumpet, Collomia
USDA Symbol: COGR4
USDA Native Status:
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
Bloom InformationBloom Color: Orange , Yellow
Bloom Time: Apr , May , Jun , Jul
DistributionUSA: AZ , CA , CO , ID , MT , NV , OR , UT , WA , WY
Native Distribution: B.C. to Missoula Co., MT, s. to CA, AZ & w. CO
Native Habitat: Open, wooded slopes below 8000 ft.
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Dry soils.
Conditions Comments: Not Available
PropagationDescription: 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 DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
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 resourcesUSDA: Find Collomia grandiflora in USDA Plants
FNA: Find Collomia grandiflora in the Flora of North America (if available)
Google: Search Google for Collomia grandiflora
MetadataRecord Modified: 2013-06-21
Research By: TWC Staff