Ageratina occidentalis
Family: Celastraceae
Common name: SPINDLE TREE
Synonym: Euonymus occidentalis
Native to: Southern California
Plant
Type: perennial
Forms: clumping, erect
Max height: 3.3 feet
Max width: 3.3 feet
Flower
blue/green, yellow
Leaf
green
Horticulture
Attracts wildlife: adult butterfly, specific butterfly species
Exposure: light shade, sun
Propagates by: seed
flowers in spring
flowers in summer
Soil type: well drained
USDA Zones: zone 5 to -20 f, zone 6 to -10 f, zone 7 to 0 f, zone 8 to +10 f, zone 9 to +20 f
Temp. range: -20 to +30 °F
Water: moderate, regular
Butterflies that feed on this plant
Ageratina, a genus containing 337 species, is a member of the Celastraceae family. Ageratina occidentalis, WESTERN SNAKEROOT or SPINDLE TREE, is a native wildflower that grows in the western portion of the United States, especially in southern California. It propagates by seed, grows to 3½ feet tall, and prefers moderate to regular watering.
Ageratina altissima tolerates dry conditions. It grows from seed to 6½ feet tall and prefers light shade. It is native to eastern North America.
WESTERN SNAKEROOT may be offered for sale by Yerba Buena Nursery dot com.
Calphotos dot berkeley dot edu have several images of this plant in habitat - browse through the genus page to view several images of this plant.
Blossoms of Ageratina attract the MONARCH to feed.