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Brown-eyed Susan

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description Brown-eyed Susan Overview

Brown-eyed Susan (*Rudbeckia triloba*) is an upright, herbaceous plant belonging to the aster family, Asteraceae, native to eastern and central North America. It typically grows as a biennial or short-lived perennial in open woods, prairies, and along roadsides. The species is characterized by branched stems and hairy leaves, often featuring three lobes. During its late summer and fall blooming period, it produces numerous daisy-like flowers with yellow petals surrounding a dark, domed brown or black center.

help Brown-eyed Susan FAQ

What is the difference between Brown-eyed Susan and Black-eyed Susan?

Brown-eyed Susan (Rudbeckia triloba) is generally taller, has smaller and more numerous flowers, and features distinctive three-lobed lower leaves compared to Black-eyed Susan (Rudbeckia hirta). Both share the classic yellow ray petals and dark central cone of the Rudbeckia genus.

Is Brown-eyed Susan a perennial or annual?

Rudbeckia triloba typically behaves as a biennial or a short-lived perennial, meaning individual plants may only live for two to three years. However, it self-seeds prolifically, allowing established colonies to persist for many years in the garden.

How tall does Brown-eyed Susan get?

Brown-eyed Susan can grow 3 to 5 feet tall, making it one of the taller members of the Rudbeckia genus. Its height and branching habit make it a great choice for the back of a mixed border or wildflower meadow.

Does Brown-eyed Susan attract bees and butterflies?

Yes, Rudbeckia triloba is a major pollinator magnet, attracting large numbers of native bees, butterflies, and beneficial syrphid flies during its long summer-to-fall bloom period. Its seeds are also heavily consumed by goldfinches and other songbirds in autumn.

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