Oligoneuron rigidum
Oligoneuron rigidum
Last reviewed: August 2026

Toxicity unknown
Oligoneuron rigidum 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
low
Size
24"–60" H × 18"–24" W
Bloom
Aug, Sep, Oct
Native to
AR, CT, DE, IA and 24 more states
Pollinators
bees, butterflies
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 445 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaAn upright late-season goldenrod with stiff, sturdy stems and flat-topped clusters of small yellow flower heads. Coarse, gray-green leaves clasp the stem below the flat bloom clusters.
Wildlife value
Late bloom timing makes it an important nectar source for a wide range of native bees and migrating monarch butterflies in fall.
Common questions
- How much sun does Oligoneuron rigidum need?
- Oligoneuron rigidum grows best in full sun conditions.
- When does Oligoneuron rigidum bloom?
- Oligoneuron rigidum blooms in August, September, and October.
- Where is Oligoneuron rigidum native?
- Oligoneuron rigidum is native to AR, CT, DE, IA and 24 more states, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Oligoneuron rigidum attract?
- Oligoneuron rigidum draws bees and butterflies.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Oligoneuron rigidum? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz