Mimosa Persian Silk Tree (Albizia julibrissin) - Exotic Flowering Tree | Akplants

Bring Exotic Beauty to Your Garden with the Mimosa Persian Silk Tree

The Mimosa Albizzia Persian Silk (Albizia julibrissin) is a breathtaking ornamental tree that transforms any garden into a tropical paradise. With its delicate, fern-like foliage and stunning pink powder-puff flowers, this fast-growing beauty creates an enchanting focal point that captivates from spring through autumn.

We only have seedlings at present about 4 inches tall. 

Unique Features

• Spectacular Summer Blooms: Produces masses of fragrant, silky pink flowers from July to September that resemble exotic powder puffs
• Elegant Foliage: Graceful, finely divided palmate leaves create a soft, feathery canopy that provides dappled shade
• Wildlife Magnet: Irresistible to butterflies, bees, and hummingbird hawk-moths, bringing life and movement to your garden
• Architectural Form: Develops a distinctive spreading, umbrella-like canopy that adds dramatic structure to any landscape
• Surprisingly Hardy: Despite its exotic appearance, this tree tolerates UK conditions and can withstand temperatures down to -15°C once established
• Fast Growing: Quickly reaches 4-6 metres, providing impact within just a few years

Perfect For

Feature planting in lawns, Mediterranean-style gardens, courtyard gardens, or as a stunning specimen tree. Its spreading habit makes it ideal for creating natural shade over patios and seating areas, while the delicate foliage casts beautiful dappled light.

Growing Conditions

Thrives in full sun and well-drained soil. Prefers a sheltered position protected from strong winds. Once established, this resilient tree is drought-tolerant and requires minimal maintenance. Best planted in spring to allow roots to establish before winter.

Note: Young plants benefit from winter protection in their first year. Mature trees are fully hardy in most UK locations.

The young plant we supply is about 8 inches tall in a 5 inch pot.

Frequently Asked Questions - Albizzia Julibrissin Care

Where should I plant my Albizzia Julibrissin?

Plant your Persian Silk Tree in a sunny, sheltered location with at least 6-8 hours of direct sunlight daily. Choose a spot with well-drained soil and protection from strong winds. They prefer warm, south or west-facing positions and thrive in urban gardens with good heat retention.

How often should I water my Silk Tree?

Water regularly during the first two growing seasons to establish a strong root system. Once established, Albizzia is drought-tolerant and requires watering only during prolonged dry spells. Avoid overwatering as this can lead to root problems.

When and how should I prune my Albizzia?

Prune in late winter or early spring (February-March) before new growth begins. Remove dead, damaged, or crossing branches to maintain an open canopy. Light formative pruning when young helps develop a strong structure. Mature trees need minimal pruning.

How do I feed my Persian Silk Tree?

Apply a balanced slow-release fertiliser in early spring. Albizzia is a nitrogen-fixing plant, so it doesn't require heavy feeding. A light annual feed is sufficient. Avoid over-fertilising, which can promote excessive foliage growth at the expense of flowers.

Is Albizzia Julibrissin hardy in the UK?

Yes, Albizzia is reasonably hardy in most UK regions, tolerating temperatures down to around -10°C to -15°C when established. Young plants benefit from winter protection with fleece or mulch. In colder areas, plant against a warm wall for extra protection.

Why isn't my Silk Tree flowering?

Lack of flowering is usually due to insufficient sunlight, young age, or late spring frosts damaging flower buds. Ensure full sun exposure and be patient - young trees may take 3-5 years to flower abundantly. Cold, wet summers can also reduce flowering.

When will my Albizzia bloom?

Albizzia Julibrissin produces its spectacular pink powder-puff flowers from July through September. The exotic blooms appear on the current season's growth and are highly attractive to bees and butterflies, making it excellent for wildlife gardens.

Can I grow Albizzia in a container?

Yes, young Albizzia can be grown in large containers (minimum 50cm diameter) for several years. Use quality, well-draining compost and water regularly during the growing season. Container plants need winter protection and will eventually require planting out for best growth.

What pests or diseases affect Albizzia?

Albizzia is generally pest and disease resistant. Occasionally, aphids may appear on new growth but rarely cause serious damage. Good drainage is essential to prevent root rot. The main issue in the UK is frost damage to young growth in late spring.

How fast does Albizzia Julibrissin grow?

Albizzia is a fast-growing tree, typically adding 30-60cm per year once established. It can reach 4-6 metres in height and spread within 10-15 years. The umbrella-shaped canopy and feathery foliage create beautiful dappled shade.

What makes the foliage special?

The fern-like, bipinnate leaves are highly ornamental and fold up at night or in cloudy weather - a fascinating characteristic. The delicate, feathery foliage creates a light, airy canopy and provides attractive texture throughout the growing season.

Is Albizzia suitable for small gardens?

Yes! While it can grow large, Albizzia responds well to pruning and can be maintained at a smaller size. Its spreading, umbrella-like form makes it ideal as a specimen tree or for creating exotic, Mediterranean-style garden features even in modest spaces.