A friend took me foraging last week! I was able to bring a few plants home for my garden. I cut the plants back to give them the best chance of survival. I will use the flowers and leaves for medicine.
These showy flowers are commonly planted in flowerbeds, but most gardeners do not realize it is a living first aid kit. Black-eyed Susan (BES), Rudbeckia hirta, is a member of the Aster family. While R. hirta has been less extensively studied, it can be used in many of the same ways as its more well-known cousin, Echinacea purpurea. The Southern Herbalist Darryl Patton stated in a class I took that he considers it a good substitute for echinacea.
I have found one notable difference in my research. While Echinacea is an immunomodulator (balances and regulates the immune response), my research says Rudbeckia hirta is considered an immunostimulant (ramps up the immune response). One would use Echinacea over R. hirta when trying to calm a cytokine storm (exaggerated immune response to the point it is harmful to the body). People with immune system dysfunction would want to use wisdom and caution when using BESs for medicine.
Black Eyed Susan has been used for colds, flus, upper respiratory infections, wounds, sores, skin infections, snake bites, mild inflammatory conditions (sore throats, swollen glands, muscle aches and stiffness, and burns), and to stimulate a weak immune response. While there is not much research, traditional folk medicine and Native American uses suggest that multiple Rudbeckia species were used similarly to R. hirta.
I have been studying and practicing herbal medicine and foraging for wild edibles since the early 1990s. My herbal education blends extensive self-directed study with formal training through two herbal schools, complemented by numerous classes and active engagement within the online herbal community. As a clinical herbalist and herbal educator, it is my joy and calling to help others discover the many benefits of the plants growing right beneath our feet. I encourage everyone to do their own research and always check for contraindications. -Wendy aka Wendy2Bear aka Mama Asbell