Knapweed Broomrape Management

Question

We have this plant in our garden. Seems quite rare and good for insects but it seems to be taking over. Should we manage it and if so how. We are trying to create wildlife garden so want to avoid heavy herbicides. Thanks

Answer 1

Here is more information about it:

https://www.gardeningknowhow.com/plant-problems/environmental/holoparasitic-plants.htm

https://catalog.extension.oregonstate.edu/sites/catalog/files/project/pdf/ec1563.pdf