Thelocactus Species, Glory of Texas, Straw Spine Cactus, Texas Pride

Thelocactusbicolor

Family
Cactaceae (kak-TAY-see-ee)
Genus
Thelocactus (thel-oh-KAK-tus)
Species
bicolor (BY-kul-ur)
Synonym
Echinocactus bicolor
Echinocactus bicolor var. schottii
Thelocactus bicolor var. schottii
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Pink
Magenta (pink-purple)
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Can be grown as an annual
Bloom Characteristics
Bloom Size
Other details
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
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; germinate in vitro in gelatin, agar or other medium
Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds
Properly cleaned, seed can be successfully stored
Regional

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

Chandler, Arizona

Phoenix, Arizona

Tucson, Arizona

Las Cruces, New Mexico

Cleveland, Ohio

Kermit, Texas

Portland, Texas

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Gardener's Notes:

2
positives
2
neutrals
0
negative
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X
Phoenix, AZ (Zone 9b) | November 2006 | neutral

More synonyms of this plant are Echinocactus rhodophthalmus & Thelocactus bicolor var. bicolor

F
Josephine, Arlington, TX (Zone 8a) | October 2006 | neutral

Glory of Texas, Straw Spine Cactus, Texas Pride, Thelocactus bicolor
is Endemic to Texas.

L
Kermit, TX (Zone 7b) | June 2005 | positive

The stems of "Glory of Texas" are solitary, grayish blue-green and ususally egg-shaped. They may reach 8" in height and 4 or 5" in diame...Read More

P
Acton, CA (Zone 8b) | July 2004 | positive

Nice looking plant with striking flowers. From N Mexico to Texas. Some forms are hardier than others (some hardy to 10F). Small column...Read More

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