Clasping Coneflower
Rudbeckia amplexicaulis
Last reviewed: October 2026
Rudbeckia amplexicaulis, or clasping coneflower, produces bright yellow flowers with dark brown centers from March through August. It grows best in full sun with consistently moist soil, often in prairies and open fields.
Toxicity unknown
Clasping Coneflower (Rudbeckia amplexicaulis) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
high
Size
24"–36" H × 12"–24" W
Bloom
Mar, Apr, May, Jun, Jul, Aug
Native to
AL, AR, FL, GA and 10 more states
Pollinators
butterflies, bees
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 460 programs across 44 states, each with a link to the provider and the date we last checked it.
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Clasping Coneflower is a tall annual wildflower with bright yellow daisy-like blooms and distinctive leaves that wrap around the stem. It flowers for an exceptionally long season from spring through late summer, providing continuous color in sunny gardens. This native Texas plant thrives with regular water and can reach up to 3 feet tall.
Growing Clasping Coneflower
Grow Clasping Coneflower in full sun and high water. Mature plants reach 24 to 36 inches tall and spread 12 to 24 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Clasping Coneflower is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 2 out of 5.
Works well in: front yard, mid zone.
- Requires seasonal replanting
- May have messy dieback
Wildlife value
The long blooming period makes this an excellent pollinator plant, attracting butterflies and native bees throughout most of the growing season. Its abundant nectar and pollen provide crucial food sources during hot Texas summers.
Common questions
- When does clasping coneflower bloom?
- Clasping coneflower blooms from March through August, with the heaviest flowering typically in late spring and early summer.
- What growing conditions does clasping coneflower need?
- It prefers full sun and consistently moist to wet soil, and is often found along ditches, prairies, and other open, damp ground.
- What pollinators visit clasping coneflower?
- Butterflies and bees regularly visit its flowers for nectar and pollen during the bloom season.
- Is Clasping Coneflower HOA-friendly?
- Clasping Coneflower is generally an HOA-friendly choice in the right placement, with moderate maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Clasping Coneflower? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.