Pilosocereus pachycladus, commonly known as the Blue Torch Cactus, is a striking columnar cactus native to Brazil. It is renowned for its powdery, blue-green stems that contrast beautifully with its golden spines. This cactus is fast-growing and can reach heights of 10–20 feet (3–6 meters) in its natural habitat. During its blooming season, it produces funnel-shaped white or pale pink flowers, which are nocturnal and highly fragrant. Its bold appearance and vibrant blue hues make it a standout in any cactus collection or landscape.
Pilosocereus pachycladus is a low-maintenance, visually stunning cactus that adds a unique, architectural flair to any space. Its dazzling blue coloration and ease of care make it a favourite among collectors and desert garden enthusiasts alike.
Light
Thrives in full sun or bright, direct light.
Indoors, place near a sunny, south-facing window or use supplemental grow lights.
Gradually introduce to direct sunlight when moved outdoors to avoid sunburn.
Water
Water deeply but only after the soil has completely dried out.
During the growing season (spring and summer), water every 2-3 weeks.
In fall and winter, reduce watering to once a month or less to prevent rot during dormancy.
Humidity
Prefers low humidity and dry environments.
Avoid misting or exposing it to excessive moisture.
Temperature
Ideal temperatures are 70-90°F (21-32°C).
Can tolerate brief drops to 40°F (4°C) but is not frost-hardy.
Protect from freezing temperatures.
Soil
Use a fast-draining cactus or succulent mix.
Improve drainage further with added sand, pumice, or perlite.
Ensure the pot has adequate drainage holes to prevent waterlogging.
Fertilization
Feed with a diluted cactus fertilizer once a month during the growing season.
Avoid fertilizing during the dormant period in fall and winter.
Repotting
Repot every 2-3 years, or when the cactus outgrows its pot.
Use a pot only slightly larger than the current one to avoid excessive soil, which can retain moisture.
Handle carefully, as spines can be sharp.
Pruning
Minimal pruning is needed.
Remove any damaged or dead sections using sterilized tools, allowing the cuts to callus over before watering.
Propagation
Propagation can be done through cuttings or seeds.
For cuttings, allow the cut end to callus over for several days before planting in dry soil.
Sow seeds in a sandy, well-draining mix and keep them warm and lightly moist until germination.
Am I Pet Friendly?
Unfortunately I am NOT pet friendly
What size am I?
I am in a 8cm pot.