Acacia cultriformis (Knife Acacia) yellow flowers of Australilan shrub

Acacia cultriformis, commonly known as knife acacia, is a shrub adapted to many summer-dry climate gardens. This Australian native plant is known for its distinct knife-shaped foliage and vibrant yellow flowers that bloom in the spring. Knife acacia has a compact growth habit and typically reaches a height of 6-10 feet with a similar spread.

Ideal growing conditions for Acacia cultriformis include full sun and well-draining soil. This drought-tolerant shrub is well-suited for mediterranean climates and requires minimal water once established. Knife acacia is excellent for xeriscape gardens and is a popular choice for adding color and texture to dry landscapes.

Acacia cultriformis can be used as a focal point in the garden, as a hedge, or in mixed borders. Its unique foliage and showy flowers make it a standout plant in any landscape. Native to Australia, knife acacia thrives in similar climates with hot, dry summers and mild winters.

For more information on Acacia cultriformis and other plants adapted to summer-dry climates, consult resources like San Marcos Growers and WUCOLS (California database).