Cirsium Species, Southern Thistle, Texas Purple Thistle, Texas Thistle

Cirsiumtexanum

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Cirsium (SIR-see-um)
Species
texanum (tek-SAY-num)
Synonym
Cirsium austrinum
Cirsium helleri
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Succulent
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Pink
Rose/Mauve
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Other Details
Category
Biennials
Perennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Wethersfield, Connecticut

Arlington, Texas

De Leon, Texas

Desoto, Texas

Fort Worth, Texas

Lampasas, Texas

New Braunfels, Texas

Plano, Texas

Red Oak, Texas

San Antonio, Texas

Universal City, Texas

Victoria, Texas

show all

Featured Videos

Gardener's Notes:

4
positives
0
neutral
1
negative
Sort By:
Sort By:
T
T
| February 2017 | positive

Having spent 4 yrs living on President LBJ's National Park, I realized aside from the Bluebonnet, the Texas Thistle is the most abundant ...Read More

G
Plano, TX (Zone 8a) | May 2014 | positive

I've been growing the Texas thistle in a container for four years, and it's finally blooming this year. The blooms are beautiful and so v...Read More

B
Rancho Santa Rita, TX (Zone 8a) | May 2009 | negative

This is one of those plants where one gardener's treasure is another gardener's treasure. In this area of Texas, (North Central Texas Da...Read More

H
H
San Antonio, TX (Zone 8b) | May 2004 | positive

San Antonio, Tx.
An upright perennial that has spiny leaves and bracts, it can grow can grow from between two to five feet tall. A...Read More

F
Josephine, Arlington, TX (Zone 8a) | April 2004 | positive

The Texas thistle is a wonderful Native plant. It is annual or biennial and it takes up a bit of space but the benefits are worth it. Th...Read More

Featured
Tawny Mining Bee
(Andrena fulva)
Chaffinch
(Fringilla coelebs)
Featured
Tawny Mining Bee
(Andrena fulva)
Chaffinch
(Fringilla coelebs)