Gymnocalycium Species, Giant Chin Cactus
Gymnocalyciumsaglionis

Synonym:Echinocactus saglionis

Synonym:Gymnocalycium saglionis subsp. saglionis

Synonym:Gymnocalycium saglionis var. albispinum

Synonym:Gymnocalycium saglionis var. flavispinum

Synonym:Gymnocalycium saglionis var. longispinum

Category
Cactus and Succulents

Water Requirements
Drought-tolerant; suitable for xeriscaping

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage

Foliage Color

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

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

Hardiness
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
Pale Pink
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Mid Spring

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
From seed; direct sow after last frost

Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds