Rudbeckia triloba
Rudbeckia triloba is a long blooming native perennial covered in masses of small golden yellow flowers with dark brown centers from midsummer into fall. Its airy branching habit creates a naturalized look in borders and meadow plantings while providing season long color and exceptional pollinator value.
Height & Spread: 36 - 60 in x 24 - 36 in
Bloom Time: Midsummer to fall
Light Requirements: Full sun
Soil Preference: Average to well drained soil
Watering Needs: Low to moderate; drought tolerant once established
Deer Resistance: Deer resistant
Native Status
Rudbeckia triloba is native to much of the eastern and central United States where it naturally occurs in open woodlands, prairies, and meadows. It is valued for its ability to support pollinators while thriving in a wide range of garden conditions.
WILDLIFE & INSECTS
Butterflies
- Attracts Monarchs, Painted Ladies, sulphurs, and other nectar seeking butterflies throughout its extended bloom season.
Bees
- Supports native bees, bumblebees, and honeybees which visit the abundant flowers for nectar and pollen.
Birds
- Produces seed heads that are enjoyed by goldfinches and other songbirds later in the season.
Spacing & Landscape Use
Spacing Recommendations
- Space 24 - 36 in apart to allow its branching habit to develop and create a full display of flowers.
Landscape Placement
- Excellent for native plantings, cottage gardens, meadow gardens, and sunny borders where its airy form can weave naturally among surrounding perennials and grasses.
Companion Plants
- Schizachyrium scoparium (Little Bluestem) - Provides upright native grass texture and warm fall color that complements the bright yellow blooms.
- Eutrochium purpureum (Joe Pye Weed) - Adds height and late season pollinator interest alongside Rudbeckia.
- Solidago rugosa 'Fireworks' (Goldenrod) - Extends seasonal color and creates a vibrant native meadow combination.
- Vernonia noveboracensis (New York Ironweed) - Contributes rich purple flowers that contrast beautifully with the golden blooms.
- Panicum virgatum 'Shenandoah' (Switchgrass) - Offers strong vertical structure and red tinted foliage for seasonal interest.