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Description
Cereus Spegazzinii, also known as the Argentine saguaro, is a columnar cactus that belongs to the Cactaceae family. This cactus is native to Argentina and can grow up to 15 feet tall. It has a greenish-blue stem with 5-7 ribs and white areoles that produce spines. It also has large, fragrant, white flowers that bloom at night and only last for one night. The fruit of the Cereus Spegazzinii is red and edible.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Cactaceae |
| Genus | Cereus |
Appearance
Cereus Spegazzinii has a columnar shape with a greenish-blue stem that can grow up to 15 feet tall. The stem has 5-7 ribs with white areoles that produce spines. The spines are initially yellow but turn gray as they age. The large, fragrant, white flowers bloom at night and only last for one night. The fruit of the Cereus Spegazzinii is red and edible.
Care Guide
Cereus Spegazzinii requires bright, direct sunlight for at least 6 hours a day. It prefers well-draining soil and should be watered deeply once a week during the growing season (spring and summer). In the winter, it should be watered sparingly. Fertilize the plant once a month during the growing season with a balanced fertilizer. Cereus Spegazzinii is hardy to USDA zones 9-11.
Common Pests & Diseases
Cereus Spegazzinii can be susceptible to mealybugs and spider mites. To prevent these pests, regularly inspect the plant and remove any infected parts. The plant can also be treated with insecticidal soap. Cereus Spegazzinii may also be susceptible to root rot if overwatered.
Habitat
Cereus Spegazzinii is native to Argentina and can be found in the Gran Chaco region. It grows in rocky, dry habitats and can tolerate drought.
Question and Answer
Q: How often should I water my Cereus Spegazzinii?
A: During the growing season (spring and summer), water deeply once a week. In the winter, water sparingly.
Q: Is Cereus Spegazzinii a hardy plant?
A: Yes, Cereus Spegazzinii is hardy to USDA zones 9-11.
Q: Can I eat the fruit of Cereus Spegazzinii?
A: Yes, the fruit of Cereus Spegazzinii is red and edible.
Q: What kind of soil does Cereus Spegazzinii prefer?
A: Cereus Spegazzinii prefers well-draining soil.
Related Plants
- Cereus forbesii
- Cereus peruvianus
- Cereus repandus
- Cereus uruguayanus
References
- “Cereus.” World of Succulents, https://worldofsucculents.com/genus/cereus/.
- “Cereus Spegazzinii.” Desert-Tropicals, https://www.desert-tropicals.com/plant-encyclopedias/cacti/cereus_spegazzinii.html.
- “Cereus Spegazzinii.” The Spruce, https://www.thespruce.com/cereus-spegazzinii-care-4843825.
