Chamaebatiaria millefolium (Torr.) Maxim.
Desert Sweet, Fernbush, Tansy Bush
Rosaceae (Rose Family)
USDA Symbol: CHMI2
Fernbush is a 4-6 ft. leafy, aromatic shrub producing a profuse amount of small, showy, white, five-petaled flowers. The feathery leaves and fragrant flowers are clustered at the ends of the branches. Aromatic shrub; glandular, hairy. Leaves: 3", finely twice pinnately compound, fern-like. Leaves are downy, fern-like and gray-green. Most of the older leaves drop during winter to reveal smooth, russet bark.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Leaf Retention: Deciduous
Fruit Type: Aggregate , Follicle
Size Notes: Up to about 6 feet tall.
Fruit: Aggregated follicles.
Bloom InformationBloom Color: White
Bloom Time: Jul , Aug , Sep
DistributionUSA: AZ , CA , ID , NV , OR , UT
Native Distribution: ID to AZ, w. to Deschutes Co., OR & s.e. CA
Native Habitat: Dry, rocky, mountain slopes
Growing ConditionsWater Use: Low
Light Requirement: Part Shade
CaCO3 Tolerance: High
Soil Description: Nutrient-poor, dry, gravelly slopes.
Conditions Comments: A useful plant for harsh sites.
BenefitConspicuous Flowers: yes
PropagationDescription: Seeds are very fine and should be sown on soil surface. Hormone treated cuttings will also increase the plant. Clumps may be divided while the plant is dormant.
Commercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
View propagation protocol from Native Plants Network.
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
Web ReferenceWebref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Chamaebatiaria millefolium in USDA Plants
FNA: Find Chamaebatiaria millefolium in the Flora of North America (if available)
Google: Search Google for Chamaebatiaria millefolium
MetadataRecord Modified: 2022-10-17
Research By: TWC Staff