Invasive Species: Field Dodder

Cuscuta pentagona

Field dodder is an annual parasitic plant that is found in limited populations throughout Oregon.

Why is it important to control?

This plant is parasitic on agricultural crops impacting harvest and yield.

Image of field dodder strangling a plant

How can you identify it?

Close up image of field dodder flowersClose up of field dodder twining stems
Habitat: Agricultural lands.
Life Cycle: Annual
Height: Climbs plants
Leaf Description: Leaves are reduced to thread-like scales.
Fruit & Flower Description: White to Pink flowers are very small, growing in clusters.
Bloom Time: July to October

How do you control it?

  • Hand pull. Dispose of plant material in tied bag and place in trash.

  • Several general use herbicides are effective. FOLLOW ALL LABEL DIRECTIONS!

How to report it?

There are various ways you can report this noxious weed.