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Quillaja saponaria

Soapbark Tree

Plant photo of: Quillaja saponaria
Information by: Plant Nerd and SelecTree        Photographer: Jerry Sortomme SBCC

 

Description

Soapbark Tree (Quillaja saponaria) is a tree native to higher elevations in Chile. It is a large tree that matures 45’-65' tall and 15’-25’ wide, with a similar texture and overall shape to many California native Oak trees. It can have a very regular upright shape if it has a single trunk, but the multi-trunks tend to be more irregular. A licensed arborist should be hired to maintain this tree as it matures. This tree should be planted at least six feet away from any hardscape areas, 15 feet from structures such as houses and buildings, and not near any powerlines. Shrubs and perennials should be planted about four feet away from this tree. It should be irrigated for about 45 minutes once a week when using most in-line drip irrigation systems.

 

Plant Type

Tree

Height Range

40-60', 60-100'

Flower Color

Yellow, White

Flower Season

Spring, Summer

Leaf Color

Dark Green

Bark Color

Brown

Fruit Color

Brown

Fruit Season

Winter, Fall

Leaf Season

Evergreen

Sun

Full

Water

Low

Growth Rate

Moderate, Slow

Soil Type

Sandy, Loam, Rocky

Soil Condition

Poor, Well-drained, Dry

Soil pH

Neutral

Adverse Factors

Attracts Bees, Poisonous

Design Styles

Mediterranean, Ranch, Spanish

Accenting Features

Multi-trunk Tree, Silhouette, Specimen

Seasonal Interest

Spring, Summer

Location Uses

Background, Park, Roadside, Street Tree, Walls / Fences

Special Uses

Hedge, Screen, Shade Tree, Medicinal

Attracts Wildlife

n/a

Water Saving Tip:

Adjust sprinklers to avoid watering sidewalks and driveways.