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Plant type



6 - 12 ft Tall
3 - 9 ft Wide


Upright, Rounded, Upright Columnar

Growth rate



Evergreen, Summer Semi-deciduous




Pink, White, Yellow

Flowering season

Spring, Winter, Summer, Fall

Common uses


Baccharis salicifolia is a flowering shrub native to the desert southwest of the United States and northern Mexico, as well as parts of South America. Its usual common name is mule fat; it is also called seepwillow or water-wally. This is a large bush with sticky foliage which bears plentiful small, fuzzy, pink or red-tinged white flowers. The long pointed leaves may be toothed. It is most common near water sources.

Mulefat is an extremely tough and easy to grow plant, flowers year round, and is a great choice for butterfly gardens. The downside is that it requires a fair amount of water to look good year round. Place in a naturally moist area, or be prepared to regularly irrigate during the dry season. It is quite drought tolerant once established, but will look weedy and unattractive if it doesn't get much water. If it does get weedy, cut down to 3-4 inches above the base and it will resprout with all fresh green folliage.


Full Sun


High, Low, Moderate

Summer irrigation

Max 1x / week once established

Ease of care


Cold tolerance

Tolerates cold to -10 - 0° F

Soil drainage


Soil description

Heavier riparian soils, sandy washes.
Soil PH: 6 - 9


This plant can be pruned as desired. If can be cut down to just a few inches above the ground if it's looking dead and weedy, and will grow back nicely.

Red WIllow, Black Willow, Sandbar Willow (Salix exigua var. hindsiana)

Sandbar Willow

Salix exigua var. hindsiana


Butterflies and moths supported

2 confirmed and 27 likely

Confirmed Likely

Common Gray|Cranberry Spanworm

Anavitrinella pampinaria

Orange Tortrix Moth

Argyrotaenia franciscana

Aristotelia argentifera

Bucculatrix separabilis

Site type

sandy washes, streambanks, valley grasslands

Plant communities

Coastal Sage Scrub, Foothill Woodland, Valley Grassland, Wetland-Riparian,