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Albizia julibrissin (Mimosa, Silk tree)

Albizia julibrissin Photo/Illustration: David Franko

(Based on 2 user reviews)

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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11
Botanical Name: Albizia julibrissin al-BIZ-ee-ah joo-lee-BRIS-sin Common Name: Mimosa, Silk tree Synonyms: Paraserianthes Genus: Albizia

A large shrub or small tree, Albizia julibrissin is native to Iran to Japan. It is a fast-growing plant whose seedlings can become invasive. It can be seen growing in the wild in the southeastern U.S. and California in waste places, fields, and along roads.

However, its bipinnate, ferny leaves and fluffy pink flowerheads that cover the tree in summer make it a garden-worthy plant, as do the fragrance emitted by the flowers, which attract bees. Seed pods that resemble flat beans follow the flowers and persist into winter. Still, care should be used so that seeds from garden plants can't escape into the wild.

Noteworthy characteristics: Domed form when mature. Filigree leaves and powder puff, fragrant flowers. Can be invasive.
Care: Indoors, grow in full light with shade from hot sun. Water freely and fertilize monthly during active growth. Water sparingly in winter. In the garden, grow in poor or moderately fertile soil with good drainage in full sun.
Propagation: Soak seed in warm water for 24 hours and then sow in spring at 59°F or warmer. Root semi-ripe cuttings with bottom heat in summer; take root cuttings in winter.
Problems: Indoors: spider mites and whiteflies. Fungi may cause dieback and galls. Outdoors, they are prone to vascular wilts.
Height 15 ft. to 30 ft.
Spread 10 ft. to 15 ft.
Growth Pace Fast Grower;Invasive/Aggressive Grower
Light Full Sun Only
Moisture Medium Moisture
Maintenance Moderate
Characteristics Attracts Butterflies; Fragrant Flowers; Showy Flowers; Showy Foliage
Bloom Time Summer
Flower Color Pink Flower
Uses Beds and Borders, Indoor Plant, Specimen Plant/ Focal Point
Seasonal Interest Summer Interest
Type Shrubs,Trees

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