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mimosa silk tree albizia julibrissin

The mimosa silk tree Albizia julibrissin is celebrated throughout New Zealand gardens for its unique architectural form, soft fern-like foliage, and exquisite, silky pink pom-pom flowers. Also known as the Persian silk tree, this versatile deciduous tree brings a touch of the exotic to courtyards, urban gardens, and lifestyle blocks alike. Whether you are a keen plant collector or seeking a fast-growing feature for your landscape, this enchanting tree offers both beauty and adaptability for a wide range of garden settings.

Albizia julibrissin 'Rosea' pink flowers and lush, green foliage.

Albizia julibrissin 'Rosea'

Albizia julibrissin 'Rosea' (Silk Tree) is a stunning deciduous tree valued for its graceful spreading canopy, fern like foliage, and masses of fragrant soft pink silk flowers in summer. This elegant tree performs well in suitable New Zealand climates and creates a striking feature in gardens and landscapes. Its light airy form provides dappled shade, making Albizia julibrissin 'Rosea' an excellent choice for feature planting in warm sheltered locations.

Suited to regions: All regions
Plant type: Trees
Height: 6.00 m
Spread: 4.00 m
Flowering time: Summer, Autumn
Garden uses: Living areas, Parks, Specimen
Garden styles: Alpine, Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern
A stunning Albizia julibrissin 'Red Silk' tree with masses of red flowers.

Albizia 'Red Silk'

Albizia 'Red Silk' is a variety of the commonly known Silk Tree, and is grown for its delicate foliage and showy flowers. The fern-like foliage is mid-green, and the sensitive leaflets close up at night or when touched. The foliage is adorned with fluffy, rose-red flowers from summer through autumn, as it reaches 6 m in height and 4 m in width. Albizia 'Red Silk' is commonly planted as a specimen in medium to large-sized gardens, where it serves as a backdrop for smaller plants, is used in avenue plantings, or is planted to provide shade around the barbecue and other outdoor living areas.

Suited to regions: All regions
Plant type: Trees
Height: 6.00 m
Spread: 4.00 m
Flowering time: Summer, Autumn
Garden uses: Living areas, Parks, Specimen
Garden styles: Alpine, Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern
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Albizia julibrissin 'Rosea'

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You might be interested in exploring related Latin Names - Albizia, Camellia, and Magnolia, or related Categories - Tree ties, General Garden Fertiliser, and Groundcover Plants.

Search mimosa silk tree albizia julibrissin

Features and Benefits of Mimosa Silk Tree Albizia Julibrissin

The mimosa silk tree Albizia julibrissin stands out with its broad, airy canopy and finely textured green leaves that close up at night or during rain. During summer, it bursts into bloom with clouds of sweetly scented, pink-to-salmon silky flowers that attract bees, butterflies, and birds, making it a fantastic specimen for wildlife-friendly gardens. Its moderate size (up to 5-7 metres high in New Zealand’s climate) makes it suitable for small gardens as well as as a striking shade provider in larger landscapes.

Planting and Care

Plant your mimosa silk tree Albizia julibrissin in a sunny position with free-draining soil for best results. While tolerant of urban conditions and light drought once established, it will thrive with occasional deep watering during long dry periods. Minimal pruning is required; shaping after flowering can help maintain the desired form. In frost-prone regions, a sheltered spot is best, especially for young plants.

Mulching around the base helps retain soil moisture and keeps roots cool in summer. Rich, organic mulch will also nourish the tree as it breaks down, giving your mimosa silk tree a healthy start in its early years.

Design Ideas and Stylish Alternatives

With its umbrella-like canopy, the mimosa silk tree Albizia julibrissin adds a summery, tropical atmosphere to patios, decks, and pool areas. It pairs beautifully with underplantings of ornamental grasses, groundcovers, or bold-flowering perennials. For variation in foliage or flower colour, consider exploring cultivars like Albizia julibrissin 'Rosea', which features deeper pink flowers, or the striking Albizia 'Red Silk', prized for its vibrant, eye-catching blooms.

For those who seek dramatic foliage, Albizia 'Summer Chocolate' is a perfect option with its rich bronze-purple leaves that contrast beautifully with the classic pink flower puffs. These alternatives offer diversity for garden designers and Albizia enthusiasts alike.

Companion Plants and Further Inspiration

Complement the mimosa silk tree’s feathery canopy with groundcovers and shrubs that echo its light texture, such as the delicate New Zealand native Pimelea mimosa. This layering effect can create a soft, unified look and enhance habitat value for pollinators and small birds.

Explore Our Range

If you’re ready to add this stunning ornamental tree to your landscape, explore our full selection of Albizia julibrissin as well as our unique cultivars. Enjoy the effortless elegance, summer shade, and pollinator appeal that the mimosa silk tree Albizia julibrissin can bring to your garden.


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