Salvadora persica TOOTHBRUSH TREE (10 seeds)

Siwak, Miswak , also known as the Toothbrush Tree, is a shrub native to the Middle East and belongs to the Salvadoraceae family.

Its Siwak berries are purple, spherical, and measure between 0.5 and 1 cm in diameter. They are consumed either fresh or dried.

Miswak seeds from the Salvadora persica, are brown, smooth, and round, each measuring 4 millimeters in diameter.

Fresh leaves of Salvadora persica can be eaten in salads.

Its small, fragrant flowers.

- Uses:

The Toothbrush Tree: A Millennial Plant Tradition

Salvadora persica, better known by its traditional name Siwak or Miswak, is a unique evergreen exotic shrub. Introducing this variety from Ethnoplants into your collection allows you to cultivate a major specimen of ethnobotanical history.
Used for over 7,000 years across arid regions, the twigs and roots of this tree illustrate a historical, plant-based method for cleaning teeth, constituting an entirely biodegradable, natural alternative.

An Ethnobotanical Heritage and Ancestral Custom

Renowned in the history of traditional plants, the use of Siwak is deeply rooted in nomadic and Middle Eastern cultures for traditional mouth care and breath freshness.
This ancestral practice consists of gently chewing the end of a young twig to separate its fibres, using it as a soft brush.
This traditional method beautifully demonstrates how humans tapped into wild flora resources long before the advent of modern materials.

Symbolism and Landscaping Qualities

In Pakistan and the Arabian Peninsula, these robust shrubs, with their bushy habit and weeping branches, hold a central place in the landscape and local customs.
Much like the cypress in Europe, they are frequently associated with places of remembrance and traditional spaces, symbolising longevity, drought resilience, and respect for regional botanical heritage. Culturally fascinating, Salvadora persica is a prime choice for collectors of historical plants.

- Germination and Sowing of Seeds:

• The most favorable period to sow toothbrush tree is during the months of June and July because nighttime temperatures remain high.
• Soak the seeds in very hot water for 24 to 48 hours to break their dormancy.
• Then, prepare a tray of fine horticultural potting soil.
• Bury them at a depth of 1 cm.
• Water the culture gently by spraying.
• Place the planting in a greenhouse at a temperature between 35 and 40°C.
• Germination usually begins 3 to 5 weeks after planting.

- Type of Soil / Substrate:

Salvadora persica needs soil rich in nutrients but also minerals. It is therefore recommended to use a substrate made of equal parts compost and sand. For pot cultivation, ensure the bottom is well-drained.

- Watering / Irrigation:

The siwak grows in semi-desert environments. It is necessary to water the base of the plant twice a week for the first 3 months after planting. Once established, irrigation should be done twice a month.

- Exposure / Light:

The miswak should be grown in full sun; this very useful tree must grow in a very bright environment. In winter, it may be necessary to use MH supplemental lights or agricultural LEDs to compensate for the lack of light.

- Cultivation Temperature / Hardiness:

The toothbrush tree comes from a very hot and dry environment; it grows well when the temperature ranges from 30 to 40°C. Below this, this unusual tree stops its growth. Its hardiness is low, so it will be necessary to bring it indoors during the winter period. Its USDA hardiness zone is 9.

- Multiplication / Reproduction:

The only effective way to propagate Salvadora persica is by sowing its seeds during the summer period.

- Diseases and Pests:

The siwak is not prone to diseases or pest attacks.

This article was written by Julien on 07/15/2026.