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Description
Echinocactus Horizonthalonius, commonly known as the eagle’s claw cactus or horse crippler, is a species of cactus that belongs to the Cactaceae family. It is native to the Chihuahuan Desert in the United States and Mexico. This slow-growing cactus can reach up to three feet in height and one foot in diameter. Its stem is light green in color, cylindrical in shape, and covered in numerous sharp, curved spines. The plant produces beautiful, large, yellow flowers that bloom in late spring and early summer.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Caryophyllales |
| Family | Cactaceae |
| Genus | Echinocactus |
| Species | Echinocactus Horizonthalonius |
Appearance
Echinocactus Horizonthalonius has a unique appearance that makes it stand out from other cacti. Its stem is covered in long, curved spines that resemble eagle claws, hence the common name “eagle’s claw cactus.” The spines are light brown in color and can reach up to six inches in length. The stem is also covered in small, white hairs that give it a fuzzy appearance. The plant’s flowers are large and yellow, measuring up to three inches in diameter. The flowers bloom in late spring and early summer and are followed by small, edible fruits that are green in color.
Care Guide
Echinocactus Horizonthalonius is a low-maintenance plant that is easy to care for. Here are some tips:
Water: The plant requires infrequent watering. Water it thoroughly, but allow the soil to dry out completely before watering again.
Fertilization: The plant does not require frequent fertilization. Fertilize it once a month during the growing season (spring and summer) with a cactus fertilizer.
Soil: The plant prefers well-draining soil that is slightly acidic. Use a cactus soil mix or make your own by mixing sand, perlite, and peat moss.
Sunlight: The plant requires full sun to thrive. Place it in a sunny spot, such as a south-facing window or outside in a sunny location.
Hardiness Zones: The plant is hardy in USDA hardiness zones 9b to 11. If you live in a colder climate, keep the plant indoors or in a greenhouse during the winter.
Common Pests & Diseases
Echinocactus Horizonthalonius is generally a healthy plant and is not prone to many pests and diseases. However, here are some issues to watch out for:
Mealybugs: These small, white insects can infest the plant and cause damage. Use a cotton swab dipped in rubbing alcohol to remove them.
Root rot: Overwatering can cause the plant’s roots to rot. Make sure the soil is well-draining and allow it to dry out between waterings.
Habitat
Echinocactus Horizonthalonius is native to the Chihuahuan Desert in the United States and Mexico. It grows in rocky, well-draining soil at elevations between 2,500 and 5,500 feet. The plant is adapted to hot, dry conditions and can tolerate extreme temperatures and drought.
Question and Answer
Q: Can Echinocactus Horizonthalonius be grown indoors?
A: Yes, the plant can be grown indoors as long as it receives plenty of sunlight.
Q: How often should I fertilize Echinocactus Horizonthalonius?
A: Fertilize the plant once a month during the growing season (spring and summer).
Q: Can Echinocactus Horizonthalonius be propagated from cuttings?
A: Yes, the plant can be propagated from stem cuttings. Allow the cuttings to dry out for a few days before planting them in well-draining soil.
Q: What is the ideal temperature range for Echinocactus Horizonthalonius?
A: The plant is adapted to hot, dry conditions and can tolerate temperatures between 50 and 100 degrees Fahrenheit.
Related Plants
Here are some related plants to Echinocactus Horizonthalonius:
- Echinocactus grusonii
- Echinocactus texensis
- Echinocactus polycephalus
- Echinocactus parryi
References
- “Echinocactus Horizonthalonius.” Cactus Art Nursery. Accessed 15 June 2021. <http://www.cactus-art.biz/schede/ECHINOCACTUS/Echinocactus_horizonthalonius/Echinocactus_horizonthalonius/Echinocactus_horizonthalonius.htm>.
- “Echinocactus Horizonthalonius.” World of Succulents. Accessed 15 June 2021. <https://worldofsucculents.com/echinocactus-horizonthalonius-eagles-claw-cactus-horse-crippler/>.
- “Echinocactus Horizonthalonius.” PlantZAfrica.com. Accessed 15 June 2021. <http://pza.sanbi.org/echinocactus-horizonthalonius>.
