The roots & seeds are diaphoretic, diuretic, tonic & vulnerary.
It is used as an ointment for treating wounds & skin infections.
The flowers are used to be eaten for curing digestive disorders.
It was also used to soothe sore throats & bleeding gums & with pepper for loss of appetite.
Of immense value in the treatment of glandular disorders.
For immediate local relief, prepare a hot poultice.
Good remedy for bruises, nose bleeds,running sores, swelling of the uvula & jaws.
It also relieves catarrh, especially mixed with speedwell & revives appetite after long convalescence.
Flower petals have been added to salads.
Young girls once wore knapweed underneath their bodice, believing it would flower should they chance to meet their future spouse.