Pot Size: 1 gal
Accepted Scientific Name:
Tricholobivia 'Pinkie'
Origin and Habitat:
Tricholobivia 'Pinkie' is a horticultural hybrid, likely derived from species within the Lobivia and Trichocereus genera, both native to the mountainous regions of Bolivia and Argentina. These parent plants are found in high-altitude habitats ranging from 1,500 to 3,500 meters, where they grow in rocky soils with strong sun exposure, cool nights, and seasonal rainfall. The hybrid maintains many of the environmental tolerances of its highland ancestors, including a preference for well-drained soil, bright light, and moderate watering during the growing season.
Description:
Tricholobivia 'Pinkie' is a small, clustering cactus that forms rounded to slightly cylindrical stems, reaching about 3–4 inches tall and 2–3 inches wide. The stems are dark green and ribbed, with small areoles bearing fine, white to tan spines. Its standout feature is the large, showy pink flowers that bloom in late spring to early summer. The blooms are funnel-shaped, up to 4 inches in diameter, and appear in dramatic contrast to the plant’s compact body. Flowers may last several days and attract pollinators when grown outdoors.
Cultivation:
Zone: Best suited to USDA Zones 9–11, or indoors as a potted specimen.
Temperature: Optimal growth occurs between 15–28°C; protect from prolonged exposure below 5°C.
Growth Rate: Moderate, forming clusters over time.
Soil: Use a well-draining cactus mix with added pumice for aeration and root health.
Watering: Water thoroughly when soil is dry; reduce frequency in fall and winter. Avoid standing water.
Fertilizing: Feed with a balanced, diluted cactus fertilizer every 2–3 weeks during the active season.
Light: Requires bright light to full sun; filtered light is best in very hot climates.
Pests and Diseases: May be affected by spider mites or mealybugs; ensure good airflow and avoid overwatering to prevent rot.
Propagation:
Easily propagated by separating offsets or from seed. Allow offsets to dry before replanting in pumice-rich substrate. Keep warm and lightly moist until established.
