Mimosa Albizia julibrissin

☠ Toxic to humans
🐾 Toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Easy-care
silk tree


The plant, commonly known as the Mimosa Tree or Silk Tree, is known for its distinctive and attractive appearance. It has a rich canopy with fern-like leaves that are bipinnately compound, meaning they split a number of times along a central axis, with small, numerous leaflets that create a delicate, feathery look. Each individual leaflet is small, thin, and oblong-shaped, contributing to the overall feathery texture. The Mimosa Tree is particularly noted for its showy and exotic-looking flowers. These blossoms are made up of a cluster of long, slender, thread-like stamens, which can range in color from deep to pale pink, often with a lighter base. The stamens give the flowers a fluffy, silky appearance, as if they were made of fine threads or silk. The overall shape of the flowering clusters is globular or pom-pom-like, adding a whimsical and ornamental quality to the tree when in bloom. These flower clusters cover the tree in profusion and are often very fragrant, attracting pollinators such as bees and butterflies. After flowering, the tree produces flat seed pods that are brown and can persist on the tree into the winter, providing an additional visual interest when the tree is leafless. The bark of the Mimosa Tree is smooth and gray when the tree is young but becomes more textured, developing vertical fissures as the tree matures. In terms of its overall form, the Mimosa Tree often has a spreading, umbrella-like canopy that provides dappled shade, making it a popular ornamental tree in gardens and landscaped areas. The branches tend to grow in a horizontal or arching manner, with the tips sometimes drooping downward, which contributes to the tree's elegant and graceful appearance.

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Silk Tree, Mimosa, Persian Silk Tree, Pink Siris, Bastard Tamarind, Silky Acacia

    • Common names

      Acacia julibrissin, Mimosa julibrissin, Mimosa speciosa, Mimosa willdenowii, Albizia julibrissin var. mollis, Albizia julibrissin var. rosea, Albizia willdenowii.

  • skullToxicity

    • To humans

      The plant commonly known as Mimosa tree is not typically considered highly toxic to humans. However, there have been reports of mild poisoning incidents. If ingested, the Mimosa tree could potentially cause irritation of the mouth and digestive tract, vomiting, or diarrhea. Caution is advised as individuals may have varying sensitivities to different plant species.

    • To pets

      The Mimosa tree is also not highly toxic to pets, but as with humans, consumption of its parts could lead to gastrointestinal upset, including vomiting or diarrhea. Cats and dogs might exhibit similar mild symptoms if they ingest parts of this plant. Owners should keep an eye on their pets to prevent them from eating the plant, and any suspected ingestion should be discussed with a veterinarian.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves


    • Flower color


    • Height

      20-40 feet [6-12 meters]

    • Spread

      20-35 feet [6-11 meters]

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    • Provides shade - Albizia julibrissin, commonly known as Mimosa, has a broad canopy that offers ample shade in gardens and parks.
    • Ornamental value - With its beautiful pink, feathery flowers and fern-like foliage, Mimosa is widely used for decorative purposes in landscapes.
    • Attracts pollinators - The flowers of the Mimosa tree are rich in nectar, attracting bees, butterflies, and hummingbirds, which are beneficial for pollination in gardens.
    • Soil improvement - Mimosas are known to improve soil quality through nitrogen fixation, which enriches the soil by converting atmospheric nitrogen into a form usable by plants.
    • Erosion control - The root system of Mimosa trees helps to stabilize soil and prevent erosion on slopes and hillsides.
    • Fast-growing - Mimosa trees are fast-growing, which can quickly provide the benefits of a mature tree without a long wait.
    • Drought resistance - Once established, Mimosa trees can tolerate periods of drought, making them suitable for xeriscaping or gardens with limited water access.
    • Tolerance to varied conditions - Mimosa trees can thrive in a range of soil types and environmental conditions, which makes them versatile for different landscapes.

  • medicalMedical Properties

    • Anxiolytic effects: The plant has been traditionally used to reduce anxiety and induce relaxation.
    • Sedative properties: It may help promote sleep and is often used in traditional medicine as a sedative.
    • Antidepressant potential: There are indications that Albizia julibrissin has mood-enhancing properties.
    • Anti-inflammatory action: The plant's extracts may have anti-inflammatory effects that could be beneficial in reducing inflammation.
    • Nootropic effects: Some sources suggest the possibility of cognition-enhancing effects.
    • Neuroprotective potential: There is some evidence that the plant might have a protective effect on the nervous system.
    • Antioxidant properties: The plant contains compounds that have shown antioxidant activity in various studies.
    • Hepatoprotective effects: Albizia julibrissin might help in protecting the liver from certain types of damage.
    • Immunomodulatory activity: It could potentially modulate the immune system, although the exact effects are not well-defined.

  • windAir-purifying Qualities

    This plant is not specifically known for air purifying qualities.

  • leavesOther Uses

    • Albizia julibrissin wood can be used in cabinet making due to its rich, red heartwood that polishes well and is valued for its aesthetic appeal.
    • The mimosa tree's fibers are suitable for making paper, and it is sometimes used in the paper-making industry, particularly for specialty papers.
    • The bark of the mimosa tree can be used for tanning leather, offering a natural and traditional method of hide curing.
    • The tree is sometimes used in bonsai culture, where its delicate foliage and flowers can create visually appealing miniature landscapes.
    • Albizia julibrissin serves as a nitrogen-fixing plant, making it valuable for improving soil fertility in agroforestry practices.
    • The fast-growing nature of the mimosa makes it suitable as a renewable source of wood for biomass energy production.
    • Mimosa trees provide a natural dye substance from their bark, which can be used in textile coloring processes.
    • Due to its broad canopy and rapid growth, Albizia julibrissin is used for creating quick shade in hot climates for comfort and to reduce local temperatures.
    • Albizia julibrissin's dense foliage provides effective windbreaks when planted in rows, protecting against soil erosion and property damage.
    • The tree is occasionally employed in musical instrument construction, particularly for the soundboards of some stringed instruments due to its acoustic properties.

Interesting Facts

  • bedFeng Shui

    The Mimosa tree is not used in Feng Shui practice.

  • aquariusZodiac Sign Compitability

    The Mimosa tree is not used in astrology practice.

  • spiralPlant Symbolism

    • Compassion: Albizia julibrissin, commonly known as the Mimosa Tree, is often associated with compassion due to its delicate, fern-like leaves and fluffy, sensitive flowers that seem to respond to the environment's touch.
    • Happiness: The tree's bright, pink flowers give off a cheerful vibe, often symbolizing joy and celebration.
    • Healing: In traditional medicine, parts of the Mimosa Tree have been used to calm the spirit and soothe various ailments, representing healing and care.
    • Sensitivity: The Mimosa Tree is sensitive to touch, exhibiting a rapid folding of leaves when disturbed; thus, it's often seen as symbolic of sensitivity and awareness.
    • Beauty: With its unique and attractive flowers, the Mimosa Tree symbolizes beauty and elegance in various cultures.
    • Resilience: Even though its appearance is delicate, the Mimosa Tree is known to grow in challenging conditions, symbolizing resilience and the ability to thrive in adversity.

Every 2-3 weeks
2500 - 10000 Lux
Every 3-5 years
Spring-Early Summer
As needed
  • water dropWater

    The Mimosa tree, commonly known as the Silk tree, requires regular watering to establish deep roots, especially during the first growing season. It should be watered deeply once a week, providing about 1.5 gallons per square yard of root spread. Once established, the Silk tree is drought-tolerant and may require less frequent watering, depending on the climate. In dry conditions, increase watering to every two weeks, ensuring the soil is moist but not waterlogged. During periods of extreme heat, additional watering may be necessary to prevent stress.

  • sunLight

    The Silk tree thrives best in full sun conditions, where it can receive at least six hours of direct sunlight daily. It is well-suited for planting in open areas of the landscape that are exposed to ample sunlight throughout the day. The tree's tolerance for heat makes it a great choice for sunny spots where other plants might struggle.

  • thermometerTemperature

    The Silk tree can withstand a range of temperatures and is hardy in USDA zones 6 through 9. It can survive minimum temperatures down to about -5°F and maximum temperatures well over 100°F. The ideal temperature range for the Mimosa tree is between 70°F and 85°F, which promotes healthy growth and flowering.

  • scissorsPruning

    Prune the Silk tree to remove dead or diseased wood and to shape the canopy, which promotes better air circulation and light penetration. Pruning is best done during late winter or early spring before new growth begins. It may also be necessary to prune occasionally throughout the growing season to control the tree's size and to remove suckers or water sprouts.

  • broomCleaning

    Not needed

  • bambooSoil

    The Mimosa tree prefers a well-draining soil mix with a slightly acidic to neutral pH of 6.0 to 7.0. A mix of loam, sand, and compost is ideal to provide the necessary nutrients and drainage.

  • plantRepotting

    The Mimosa tree, being a fast grower, may need to be repotted every few years when young. After it matures, repotting is less frequent, only as needed to refresh the soil.

  • water dropsHumidity & Misting

    The Mimosa tree thrives in average humidity levels, consistent with outdoor conditions. It doesn't require any special humidity adjustments.

  • pinSuitable locations

    • Indoor

      Place in bright, indirect light and avoid overwatering.

    • Outdoor

      Plant in full sun, well-draining soil, water regularly.

    • Hardiness zone

      6-9 USDA

  • circleLife cycle

    The life of the Mimosa Tree (Albizia julibrissin) begins with seed germination, where warmth and moisture allow the hard-coated seeds to sprout after a period of stratification or scarification. Following germination, the seedling grows rapidly, developing compound leaves that are characteristic of this species and a deep taproot. As the plant matures, it forms a woody trunk and branches to become a deciduous tree, displaying pink, feathery flowers that attract pollinators during the summer. After pollination, the tree produces flat seed pods that mature through the fall and persist into winter, eventually releasing seeds for dispersal. The tree reaches reproductive maturity in a few years and can live for several decades, completing its life cycle upon death, which returns nutrients to the soil, & possibly germinating new trees.

  • sproutPropogation

    • Propogation time

      Spring-Early Summer

    • Propogation: The most popular method of propagating the Mimosa tree, commonly known as Albizia julibrissin, is through its seeds. Propagation is best done in spring, once the threat of frost has passed. The seeds have a hard coat, which requires scarification to enhance germination. This is often accomplished by carefully nicking the seed coat with a knife or rubbing the seeds with sandpaper. After scarification, the seeds are usually soaked in warm water for 24 to 48 hours to further soften the coat and promote germination. Sowing the seeds in well-draining soil at a depth of about 1/4 inch (about 6 millimeters) and keeping them moist will enable successful germination. Once the seedlings have emerged and are sturdy enough, they can be transplanted to their permanent location in the garden.