Congress grass
Parthenium hysterophorus · Asteraceae
Causes allergic dermatitis, rhinitis and asthma in humans; strongly allelopathic; reduces crop yields and pasture value
Why Congress grass is a problem
Causes allergic dermatitis, rhinitis and asthma in humans; strongly allelopathic; reduces crop yields and pasture value
What to plant instead
Management species; competitive native ground cover such as Tephrosia purpurea or Cassia tora can limit re-establishment
Frequently asked questions
Is Congress grass invasive in India?
Yes. Congress grass (Parthenium hysterophorus) is considered invasive in India. Causes allergic dermatitis, rhinitis and asthma in humans; strongly allelopathic; reduces crop yields and pasture value
Why is Congress grass a problem?
Causes allergic dermatitis, rhinitis and asthma in humans; strongly allelopathic; reduces crop yields and pasture value
What can I plant instead of Congress grass?
Good native alternatives include Amaltas.