Brown-eyed Susan (Rudbeckia triloba)

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Item #: RUTRIs
Binomial Rudbeckia triloba

This is a fairly tall annual or biennial (or short-lived perennial) that can reach three to five feet tall. It attracts many pollinators, including butterflies and a large variety of bees.  The flower heads are more numerous but smaller than black-eyed Susan (R. hirta), which is also an annual. It blooms for a long time during summer.

Uses: Pollinators, deer tolerant, drought tolerant
Bloom time: July - September

Height: 3 to 5 feet
Space:  1.5 to 2.5 feet

Sun: Full sun to medium shade
Moisture: Average to moist

Seed: Much of the seed will germinate without any special treatment, but a brief period of cold-moist stratification can be beneficial.
  • 200 seeds per packet
  • 33,000 seeds per ounce
  • 1 ounce per 1,000 square feet
  • 2.5 to 3 pounds per acre

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