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Black Eyed Susan
Black Eyed Susan
A member of the aster family, Asteraceae, and native to eastern North America. Belonging to the Rudbeckia genus. Another name is Gloriosa daisies.
Historical Uses
Historical Uses
Used to wash sores and swellings, as a poultice for snake bites and for treating worms and colds in children.
Landscape uses
Landscape uses
These flowers do well in landscapes, borders, butterfly gardens, or containers. Also, they are outstanding cut flowers.
Growing Conditions
Growing Conditions
The optimal soil temperature for germination is 70° to 75° F.
Plants should be set 18 inches apart.
Remove weeds and loosen the soil.
Make a hole a few inches wider than the plant and set in the hole; backfill with soil, tamp gently, and water well.
If planting by seed, sow seeds about 6 weeks before the average last frost.
Do not plant in the hot summer.
Wildlife Support
American Goldfinches, Chickadees, Cardinals, White-breasted Nuthatches, and Sparrows are all attracted to the bright yellow of these flowers. Butterflies, bees, and other insects are attracted to the flowers for the nectar.
Credit: https://edgeofthewoodsnursery.com/seed-producing-plants-for-birds , https://www.allaboutbirds.org/guide/American_Goldfinch/overview
Fun Facts
Fun Facts
They are the first plants to grow in an area damaged by fire or natural disaster.
They are the plant host of the Silvery Checkerspot butterfly caterpillar.
Diseases:
Powdery mildew: characterized by brown twisted lower leaves and white powdery fungal growth on the upper surfaces of the leaves.
Rust: whose symptoms are yellow or white spots on the upper leaves and orange or yellow spots on the undersides of leaves.
To collect seeds cut the dry heads off of the plant in the fall time. Then put them in a container and SHAKE!
Credit: https://plantpath.osu.edu/sites/plantpath/files/imce/images/NativePlants/BlackEyedSusan.pdf
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