Two Leaved Senna
Senna roemeriana
Last reviewed: June 2026
Light
full sun
Water
low
Size
12"–36" H × 12"–24" W
Bloom
Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov
Native to
NM, OK, TX
Pollinators
butterflies, bees
Browse plants for this ecoregion
Two Leaved Senna is a compact native shrub that produces bright yellow flowers from spring through fall. This drought-tolerant plant maintains a neat, rounded form and requires minimal care once established.
In an HOA neighborhood
Two Leaved Senna is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 4 out of 5.
Works well in: foundation, mid zone.
- Requires annual shaping to stay compact
Wildlife value
The abundant yellow blooms attract butterflies and native bees throughout the growing season. This plant serves as a host for sulfur butterfly caterpillars.
Common questions
- How much sun does Two Leaved Senna need?
- Two Leaved Senna grows best in full sun conditions.
- When does Two Leaved Senna bloom?
- Two Leaved Senna blooms in March, April, May, June, July, August, September, October, and November.
- Where is Two Leaved Senna native?
- Two Leaved Senna (Senna roemeriana) is native to NM, OK, TX, per the USDA PLANTS Database and regional native plant society lists.
- What pollinators does Two Leaved Senna attract?
- Two Leaved Senna draws butterflies and bees.
- Is Two Leaved Senna HOA-friendly?
- Two Leaved Senna is generally an HOA-friendly choice in the right placement, with moderate maintenance.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Two Leaved Senna fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.