Contents
Description
Pilosocereus Alensis, also known as the Alen’s Old Man Cactus, is a columnar cactus that belongs to the Cactaceae family. It is native to Brazil and can grow up to 6 meters tall. The stem of this cactus is covered with white spines and its flowers are pinkish-red in color. It is a slow-growing cactus that can take years to reach its full height. Pilosocereus Alensis is a popular ornamental plant and is often grown indoors.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Cactaceae |
| Genus | Pilosocereus |
Appearance
Pilosocereus Alensis has a columnar stem that can grow up to 6 meters tall and 15 cm in diameter. The stem is covered with long white spines that can grow up to 12 cm long. The spines are arranged in clusters and can be quite dense. The flowers of Pilosocereus Alensis are pinkish-red in color and can grow up to 7 cm in diameter. They bloom in late spring and early summer. The fruits of this cactus are small and red in color.
Care Guide
Pilosocereus Alensis is a relatively easy plant to care for. Here are some tips:
- Water: Water your cactus sparingly, allowing the soil to dry out completely between watering.
- Fertilization: Fertilize your cactus once a month during the growing season with a cactus fertilizer.
- Soil: Use a well-draining cactus soil mix for your Pilosocereus Alensis.
- Sunlight: Place your cactus in a bright, sunny spot. It can tolerate some shade but needs at least 4 hours of direct sunlight per day.
- Hardiness Zones: Pilosocereus Alensis is hardy in USDA zones 9-11.
Common Pests & Diseases
Pilosocereus Alensis is relatively pest and disease-free. However, it can be susceptible to mealybugs, spider mites, and scale insects. To prevent these pests, keep your cactus in a well-ventilated area and avoid overwatering. If you notice any signs of infestation, treat with a neem oil solution. This cactus can also be susceptible to root rot if overwatered, so be sure to allow the soil to dry out completely between watering.
Habitat
Pilosocereus Alensis is native to Brazil and can be found growing in rocky, well-draining soils in arid regions. It is often found growing in open fields and along roadsides.
Question and Answer
Q: Can Pilosocereus Alensis be propagated from cuttings?
A: Yes, Pilosocereus Alensis can be propagated from stem cuttings. Allow the cuttings to dry out for a few days before planting them in well-draining soil.
Q: How often should I water my Pilosocereus Alensis?
A: Water your cactus sparingly, allowing the soil to dry out completely between watering. During the winter months, you can reduce watering to once every 2-3 weeks.
Q: Does Pilosocereus Alensis require full sun?
A: Pilosocereus Alensis needs at least 4 hours of direct sunlight per day. It can tolerate some shade but may not grow as well.
Q: What is the growth rate of Pilosocereus Alensis?
A: Pilosocereus Alensis is a slow-growing cactus that can take years to reach its full height.
Related Plants
- Pilosocereus pachycladus
- Pilosocereus gounellei
- Pilosocereus polygonus
References
- “Pilosocereus Alensis.” Cactus Art Nursery. http://cactus-art.biz/schede/PILOSOCEREUS/Pilosocereus_alensis/Pilosocereus_alensis/Pilosocereus_alensis.htm
- “Pilosocereus.” Desert-Tropicals. https://desert-tropicals.com/Plants/Cactaceae/Pilosocereus.html
- “Pilosocereus Alensis.” World of Succulents. https://worldofsucculents.com/pilosocereus-alensis-alens-old-man-cactus/
