Albizia julibrissin SILK TREE (10 seeds)

Silk Tree is a Mediterranean tree native to East and South Asia. Like the acacia, it belongs to the Fabaceae family. It has a spreading habit, reaching about 3 to 4 meters in height, and has a moderate growth rate.

Silk tree seeds come from the Albizia julibrissin are smooth, oval, flattened, light brown in color, and measure 8 millimeters in length.

Its flowers are magnificent, earning their name because they resemble finely cut pink and white pom-poms.

The fruits are long, flat, shiny brown pods measuring 15 to 30 cm, containing numerous seeds.

Its foliage consists of many small green leaflets arranged in a feather-like, alternate pattern along the stem.

- Uses:

An Ornamental Jewel for Shade

The Albizia, or Silk Tree, is a prestigious landscaping species celebrated for its feathery flowering and fragrant pink blossoms that elevate temperate parks.
Its light, delicate foliage, which has the unique characteristic of folding closed at night, offers a spreading silhouette ideal for creating areas of natural and elegant shade in gardens.

Ecological Assets and Soil Fertilisation

On an agroforestry level, this tree plays a major ecological role thanks to its natural ability to fix atmospheric nitrogen into the soil via its root system.
This unique property makes it possible to sustainably restore poor terrains, while providing a high-quality, nutritious forage for livestock in subtropical regions.

Wood Valorisation and Local Craftsmanship

Albizia wood, although light, offers remarkable strength that makes it valuable for crafting small furniture and precision artisan tools.
Its rapid growth also makes it an efficient renewable resource for firewood production, thus combining domestic utility with the sustainable management of forest resources.

- Sowing and Germination:

• The most favorable period to sow Albizia is starting in May.
• Sow the seeds in a tray with fine potting soil.
• Cover them with about 1 cm of soil and press down with your hands.
• Water gently using a sprayer. Repeat every three days if necessary.
• Place the culture in a greenhouse at a temperature of approximately 30 to 35°C.
• Germination typically begins 3 to 4 weeks after planting.
• Once the seedlings are strong enough, transplant them into individual small pots.

- Soil Type and Substrate:

The Silk Acacia needs mineral-rich soil; a potting soil generous in organic matter is perfect. For pot cultivation, ensure the bottom is well-drained with gravel or small stones.

- Light and Exposure:

This tree must be exposed to full sun to bloom properly. For artificial lighting, neon, HPS, or MH lamps are preferred.

- Watering:

It requires water during the summer when the soil becomes too dry. Never overwater the plant when growing in a pot.

- Temperature and Hardiness:

It grows well between 15 and 25°C. The plant is relatively hardy and can withstand temperatures down to -18°C. However, protect the plant during its first 2 or 3 years while it is still young.

- Multiplication:

It can be reproduced by seed or by semi-ripe stem cuttings (12 cm long) taken during the summer.

- Pests and Diseases:

Its main pests are leafhoppers and caterpillars. It can also be affected by fungal diseases such as rust or powdery mildew.

This article was written by Julien on 07/09/2026.