Mountain sweet

Ceanothus americanus

Photo/Illustration: 
Neil Diboll
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Mountain sweet (Ceanothus americanus)
see-ah-NO-thuss ah-mer-ih-KAY-nus
Genus:  Ceanothus

Mountain sweet is a low-growing, broad, compact, deciduous shrub. Dark-green leaves are irregularly toothed, 2 to 3 inches long, and softly hairy or nearly hairless beneath. This plant bears profuse white flowers in 1- to 2-inch-long terminal clusters.

Noteworthy Characteristics: 

Tolerates poor growing conditions. Native to the eastern U.S.

Care: 

Ideally, plant in full sun and fertile, well-drained soil. Relatively lime tolerant. Expect 5-10 years' lifespan. Prune in early spring, followed by mulch and balanced fertilizer application.

Propagation: 

Root greenwood cuttings in mid- or late summer.

Problems: 

Dieback, powdery mildew, mushroom root rot, fungal leaf spots, and Verticillium wilt are common. Caterpillars, scale insects, lacebug, and mealybugs occur.

Overview

Height
3 ft. to 6 ft.
Spread
3 ft. to 6 ft.
Light
Full Sun Only
Moisture
Dry to Medium
Maintenance
Moderate
Characteristics
Native,
Showy Flowers
Bloom Time
Early Summer,
Summer
Flower Color
Pale Dogwood,
Hazelnut
Uses
Beds and Borders,
Trellis
Seasonal Interest
Summer Interest
Type
Shrubs

Ceanothus americanus