Photo by Melody

PlantFiles: Desert Cassia
Senna polyphylla

Family: Caesalpiniaceae (ses-al-pin-ee-AY-see-ee) (Info)
Genus: Senna (SEN-nuh) (Info)
Species: polyphylla (pol-ee-FIL-uh) (Info)

Synonym:Cassia polyphylla

One vendor has this plant for sale.

4 members have or want this plant for trade.

Tropicals and Tender Perennials

Unknown - Tell us

4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Blooms all year


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
From woody stem cuttings
From seed; direct sow outdoors in fall

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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2 positives
No neutrals
1 negative

Gardeners' Notes:

Negative SWFLgarden On Feb 18, 2013, SWFLgarden from Lehigh Acres, FL wrote:

I love this little tree. However, I lost two trees to the cold in zone 9b two years in a row. I'm considering getting another after seeing others in colder zones growing this tree. Should I keep it in a pot to move it into the garage on cold nights?

Positive flaflwrgrl On Jul 26, 2009, flaflwrgrl from North Central , FL (Zone 8b) wrote:

Just a lovely small tree. It blooms off & on all year long. This tree is never still or silent. The bees are always humming in it's flowers and butterflies dancing from branch to branch providing constant movement even on the most still of days. Good xeri plant and excellent accent tree.

Positive NativePlantFan9 On Feb 7, 2005, NativePlantFan9 from Boca Raton, FL (Zone 10a) wrote:

The origin of this small to medium Senna (Cassia) is unknown. It has a weeping form, and the attractive small to medium flowers attract butterflies. It is used in central and southern Florida and California and is useful as a landscape tree. It is hardy in zones 9a and 9b through 11, at least. It can survive temperatures down to 25 or 20 degrees. Great for landscaping.


This plant has been said to grow in the following regions:

Boca Raton, Florida
Dunnellon, Florida
Fort Lauderdale, Florida
Hobe Sound, Florida (2 reports)
Hollywood, Florida
Homestead, Florida
Kissimmee, Florida
Miami, Florida (3 reports)
Mulberry, Florida
Odessa, Florida
Oldsmar, Florida
Port Charlotte, Florida
Sarasota, Florida
Sebastian, Florida
Mcallen, Texas
Spring, Texas

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