Also known as the Chilean Soapbark Tree, Quillaja Saponaria grows at altitudes of 1500m in the Chilean Andes. An evergreen tree that can reach 10m – 20 in height, although often smaller it has a naturally weeping or pendulous habit.
It its natural environment it grows in poor rocky soils which in many cases limits its height. In good soils with good drainage it will be a larger tree.
Although it does tolerate cold nigh time temperatures once established is is susceptible to heavy frosts and will need protection when young.
Used as a street tree as well as an ornamental, Quillaja Saponaria is also grown for the bark which is used for pharmaceutical purposes.
Excellent for attracting beneficial insects to the garden, white flowers in spring appear in masses and are attractive. Foliage is deep green and glossy.
The tree is long lived with specimens in Australia dated at over 100 years in botanical gardens in Melbourne and Geelong. widely found in New South Wales and the ACT.
Care
Quillaja Saponaria is best grown in a frost free position in a well drained soil.
- Prepare soil well ensuring drainage is good.
- Plant and stake young trees.
- Protect seedlings with a tree guard.
- Protect from heavy frosts.
- Water well through the first few summers or extended dry periods, however never allow the soil to become soggy.