Robuta

https://www.housedigest.com/1627231/grow-coneflower-seeds-beginner-gardener/
While it make take a little extra time to enjoy blooms, coneflowers are easy and inexpensive to grow from seed by simply scattering them in the fall.
coneflower seedsgood choicebeginner gardeners
https://www.gardeningknowhow.com/ornamental/flowers/coneflower/gray-headed-coneflower.htm
The gray headed coneflower plant goes by many names and is a native wildflower. Click here for more information on this perennial plant.
coneflower seedsgrayheadedconeflowersplant
https://www.houzz.com/discussions/6542209/help-needed-coneflower-seeds-sprouted-but-dying-what-s-the-cause
I have collected seeds from my coneflowers, and put them in the wet paper towel into the fridge for stratification as I learned from the youtube video. That...
help neededconeflower seedssprouteddying