Rudbeckia hirta (black-eyed Susan) is a bright, adaptable wildflower that brings classic golden petals and a dark center to your garden. You will get cheerful, daisy-like blooms in warm months and a strong native-plant look that fits naturalized plantings, borders, and cutting gardens.

Place it where it will receive full sun for the best flowering, though it also performs in partial shade. Provide average, well-drained soil; once established it tolerates drier stretches, but it will look fuller and bloom more with occasional deep watering during extended heat. Avoid consistently soggy sites, which can reduce vigor and increase disease issues.

At maturity it typically reaches about 24-36 inches tall, with a spread around 12-24 inches, so give each plant enough room for airflow. Deadhead if you want a tidier look and to encourage continued flowering; leave some seedheads late in the season if you want self-sown seedlings. Cut stems back after hard frost, or leave them standing into winter for texture and to support garden wildlife. This species is valued by pollinators, and its seed can be a seasonal food source for birds.

Specifications

• Cold hardiness zone: 3-8 (-40 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Mature height: 24-36"
• Spread: 12-24"
• Tolerant of: Deer, Drought, Salt
• Attracts: Butterflies
• Native to the U.S.: Yes

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