Pack Size: 20, 100
Year: 2021
Accepted Scientific Name: Trichocereus bridgesii
Origin and Habitat:
Trichocereus bridgesii, also known as the Bolivian torch cactus, is native to the high-altitude regions of Bolivia. It thrives in arid and semi-arid environments, often growing on rocky slopes and dry valleys. The cactus is well-adapted to intense sunlight, minimal rainfall, and large temperature fluctuations, common in its natural habitat.
Description:
A tall, columnar cactus, Trichocereus bridgesii grows up to 16 feet in height and 4–6 inches in diameter. Its stems are green to bluish-green, with prominent ribs and sharp, golden to brown spines. This species produces large, showy white flowers that bloom at night, attracting nocturnal pollinators.
Cultivation:
Zone: 9–11
Temperature: Thrives at 20°C–35°C but can tolerate brief periods near 0°C when dry.
Growth Rate: Fast-growing under ideal conditions.
Soil: Prefers well-draining soil with pumice to prevent root rot.
Watering: Water thoroughly, allowing soil to dry completely between waterings.
Fertilizing: Use a balanced cactus fertilizer every 2–3 weeks during the growing season.
Light: Full sun to light shade; protect from extreme midday heat in hotter climates.
Pests and Diseases: Prone to spider mites, scale insects, and fungal rot if overwatered or poorly ventilated.
Germination Info:
Temperature: Maintain a steady 27°C for optimal germination.
Surface Sown: Yes; scatter seeds on the surface, mist lightly, and keep the substrate consistently moist.