Photo by Melody

PlantFiles: Lindheimer's Senna, Velvetleaf Cassia
Senna lindheimeriana

Family: Caesalpiniaceae (ses-al-pin-ee-AY-see-ee) (Info)
Genus: Senna (SEN-nuh) (Info)
Species: lindheimeriana (lind-hy-mer-ee-AY-nuh) (Info)

5 members have or want this plant for trade.

Alpines and Rock Gardens
Tropicals and Tender Perennials

12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
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

Parts of plant are poisonous if ingested

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
From semi-hardwood cuttings
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored

Click thumbnail
to view:

By SShurgot
Thumbnail #1 of Senna lindheimeriana by SShurgot

By SShurgot
Thumbnail #2 of Senna lindheimeriana by SShurgot

By Jeff_Beck
Thumbnail #3 of Senna lindheimeriana by Jeff_Beck

By Jeff_Beck
Thumbnail #4 of Senna lindheimeriana by Jeff_Beck

By Jeff_Beck
Thumbnail #5 of Senna lindheimeriana by Jeff_Beck

By Kaufmann
Thumbnail #6 of Senna lindheimeriana by Kaufmann

By frostweed
Thumbnail #7 of Senna lindheimeriana by frostweed

There are a total of 14 photos.
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2 positives
No neutrals
1 negative

Gardeners' Notes:

Negative topcatto On Oct 27, 2013, topcatto from Camp Wood, TX wrote:

This plant is deadly toxic to horses and cattle, not that they normally eat it, but they only need to get a little and their muscles become weak and they cannot get up. I had to destroy one of my best horses last week after she ingested some of it. If anyone wants any, I'm about to pull up and burn every bit of it that I can find, so contact me if you want some

Positive LipLock On Oct 24, 2011, LipLock from Austin, TX (Zone 8b) wrote:

Here's another plant that will always have a place in my zone 8b, Central Texas garden. It's easy to grow from seed, the leaves are so soft and velvety, it's a nice, soft gray color that complements so much in the landscape. In the fall it is covered with yellow flowers that give way to seed pods that the birds and squirrels feast upon. Here in Central Texas you'll see it growing in ditches & fields. In fact, that is where I got my first seed. I simply tossed the seed on the ground one fall and my yard has never been without it. You never know where it will pop up. It's very easy to control simply by pulling it up. It thrives in the sun but will tolerate shade as well (it's not quite as tall where its come up under my pecan tree). I've given seeds to all my friends and neighbors and they have had success with this plant as well. It loves the heat and thrived in this; the hottest, driest summer ever recorded in Texas.

Positive htop On Mar 15, 2009, htop from San Antonio, TX (Zone 8b) wrote:

I have not grown this plant; however, I have observed it in its native habitat. Lindheimer's Senna, Velvetleaf Cassia (Senna lindheimeriana) is native to Arizona, New Mexico and Texas.


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

Tucson, Arizona
Atlanta, Georgia
Arlington, Texas
Austin, Texas (2 reports)
Bulverde, Texas
Fort Worth, Texas (2 reports)
Georgetown, Texas
Helotes, Texas
Hondo, Texas
New Braunfels, Texas
San Antonio, Texas (2 reports)
Spring Branch, Texas

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