Iris hartwegii Baker
Rainbow iris, Sierra iris
Iridaceae (Iris Family)
USDA Symbol: IRHA
A member of the iris family (family Iridaceae) which consists of herbs growing from rhizomes, bulbs, or corms, with narrow basal leaves and showy clusters at the tips of long stalks. There are about 60 genera and 1,500 species, distributed in temperate and tropical regions. Among them, Iris, Freesia, Gladiolus, Bugle Lily, and Montbretia are popular ornamentals. Saffron dye is obtained from Crocus, and essence of violets, used in perfumes, is extracted from the rhizomes of Iris.
From the Image Gallery
Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun
Native Distribution: W. base of Sierras from Butte to Kern Cos., CA
Native Habitat: Wooded slopes from 2000-6000 ft.
Growing ConditionsLight Requirement: Shade
Soil Moisture: Moist
Soil Description: Moist, humus-rich soil.
Conditions Comments: Hybridizes readily with I. macrosiphon.
BenefitConspicuous Flowers: yes
PropagationSeed Collection: Easily collected from the large capsules.
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 Suppliers DirectoryAccording to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Oregon Native Plant Nursery - Woodburn, OR
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Santa Barbara Botanic Garden - Santa Barbara, CA
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 Iris hartwegii in USDA Plants
FNA: Find Iris hartwegii in the Flora of North America (if available)
Google: Search Google for Iris hartwegii
MetadataRecord Modified: 2007-08-19
Research By: TWC Staff