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

Synonym:Echinocactus bicolor var. schottii

Synonym:Thelocactus bicolor var. schottii

Category

Cactus and Succulents

Water Requirements

Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure

Full Sun
Sun to Partial Shade

Foliage

Unknown

Foliage Color

Unknown

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)

Where to Grow

Can be grown as an annual

Danger

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color

Pink
Magenta (pink-purple)

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Other details

Unknown

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