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.

Two Leaved Senna

Name: Pollinator Patch
Author: Pollinator Patch

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

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 411 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Chihuahuan Deserts Central Oklahoma/Texas Plains Edwards Plateau Southern Texas Plains Texas Blackland Prairies East Central Texas Plains

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.

Ready to grow Two Leaved Senna? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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