American Columbo
Frasera caroliniensis
Last reviewed: August 2026

Toxicity unknown
American Columbo (Frasera caroliniensis) 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
part sun
Water
medium
Size
24"–72" H × 12"–24" W
Bloom
May, Jun, Jul
Native to
AL, AR, GA, IL and 14 more states
Pollinators
bees, beetles
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 452 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
American columbo is a tall biennial wildflower that produces an impressive flowering spike reaching up to 6 feet tall. It blooms with clusters of small greenish-white flowers from May through July before completing its two-year life cycle. This native plant prefers partial sun and average moisture conditions.
In an HOA neighborhood
American Columbo takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Very tall growth may appear wild or unkempt
- Biennial lifecycle creates gaps when plants die after flowering
- Uncommon appearance may be seen as weedy by neighbors
Wildlife value
The flowers attract various pollinators including native bees and beetles during its extended summer bloom period. As a native species, it provides important ecological value for local wildlife.
Common questions
- How much sun does American Columbo need?
- American Columbo grows best in part sun conditions.
- When does American Columbo bloom?
- American Columbo blooms in May, June, and July.
- Where is American Columbo native?
- American Columbo (Frasera caroliniensis) is native to AL, AR, GA, IL and 14 more states, per the World Checklist of Vascular Plants (Kew).
- What pollinators does American Columbo attract?
- American Columbo draws bees and beetles.
- Is American Columbo HOA-friendly?
- American Columbo takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
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 American Columbo? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Planning a bed around it? Start a free plan with this plant
Not sure where to start? Take the 2-minute yard quiz