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Yellow Coneflowers

Native Plant Gallery

Roughstem Rosinweed

Roughstem Rosinweed

Roughstem Rosinweed

Silphium radula
Family: Asteraceae (Aster Family)

Roughstem Rosinweed is a tall, native perennial wildflower found in prairies and open woodlands of Texas, especially in Southeast Texas. It is very similar to Slender Rosinweed. Some view them as varieties of the same species.

  • Scientific Name: Silphium radula
  • Common Names: Roughstem Rosinweed
  • Family: Asteraceae (Aster Family)
  • Growth Habit: Tall, upright perennial wildflower
  • Height: 3-6 feet
  • Leaves: Lance-shaped, rough-textured
  • Flowers: Bright yellow, daisy-like blooms held on tall stems
  • Bloom Time: Summer to early fall
  • Wildlife Benefits: Attracts native bees, butterflies, and other pollinators

Eric Hunt, CC BY-SA 4.0, via Wikimedia Commons

Where to Find It

  • Interested in adding Rosinweed to your garden? Check if this is in stock or add to cart to purchase directly from our Natives Nursery.

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