Sea rocket (Cakile edentula)

Photo: (c) John Tann CC BY 2.0

Family: Brassicaceae

Growth Habit: Sea Rocket is a low growing, succulent commonly found in sandy areas and near the ocean. Herbs grow up to 80 cm, branch extensively and sometimes spread along the sand. Leaves are ovate, 4-7 cm long and variously lobed.

Type of Plant: Sea Rock it an annual herb.

Photo: (c) John Tann CC BY 2.0

Flowers: Flowers range from white to pink to purple. with four petals 4-8 mm long.

Fruit/Seed: Seeds are contained in a long, rough pod, 12-27 mm long and 4-8 mm wide.

Dispersal: Seeds are released from the pods and moved by wind and water.

Distribution: Sea Rocket is widespread on beaches and sand dunes throughout Tasmania.

Status: Undeclared in Tasmania.

Weed Impact:

  • Sea Rocket is able to quickly colonise beaches, forming thick colonies in a few years.
  • Colonies can reduce diversity of native species.
  • These colonies restrict access and recreational use of the beach and surrounding areas.

For further information contact the Department of Primary Industry, Parks, Water and Environment, Tasmania.

Control Methods:

  • Grubbing (all year). Plants may be manually removed by hand and destroyed.

N.B. Always check the herbicide label before use.