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07/23/2024

Rudbeckia hirta, commonly called Black-Eyed Susan, is a favorite in gardens, but is also a native wildflower in North America. It is characterized by a 2-3 ft stalk with a bright yellow flower and petals arranged in a ray around a black or brown button. It can be spotted in well drained prairies and can be quite impressive in large colonies. The seed heads of this flower can last well into the winter, providing some interest during that time of the year.

Black-Eyed Susan (Rudbeckia hirta)

Common Name: Black-Eyed Susan

Species Recorded: Rudbeckia hirta

Date Recorded: 7/27/2024

Native Where Recorded: Yes

Where: Hoover Nature Trail, Hoover Reservoir Park, Westerville, Ohio

Bloom Status: Peak Bloom

Color and Shape: Deep yellow flowers with petals arranged in a flat pattern around a black or brown button. Usually 2-3 ft tall.

Density of Colony: Dense

More information can be found on my Resource Page for Black-Eyed Susan (Rudbeckia hirta).

Prairie full of Black-Eyed Susan.
Black-Eyed Susan seed head.

Flower of the Hour Series

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2 responses to “Black-Eyed Susan (Rudbeckia hirta) – Flower of the Hour”

  1. I planted (spread) a few packs of these in a rather brush heavy spot in the edge of our property this past spring. Tossed a bit of loose soil over where I’d spread. I also started some of the seeds in my garage under some grow lights on a heated pad. I admittedly didn’t take much (any) time to consider how to best get them going. I didnt manage a single flower from either process. I was super bummed. Such a pretty flower. Black eyed Susan, black thumb John.

    1. You may have covered them too much or started too late. Start germinating indoors in March. Or spread seed right after last frost. Make sure it contacts soil but not buried. A very light cover shouldn’t hurt though. Good luck. Best way is to divide a mature plant or buy it already established.

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