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Description
Euphorbia Trigona, also known as African milk tree or cathedral cactus, is a succulent plant native to Central and West Africa. Despite its name, it is not a cactus but belongs to the Euphorbia family. This plant is popular among collectors and gardeners for its striking appearance and relatively easy care.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Malpighiales |
| Family | Euphorbiaceae |
| Genus | Euphorbia |
Appearance
The Euphorbia Trigona plant can grow up to 6 feet tall and 2 feet wide. Its stems are green and triangular in shape, with distinctive ridges and edges. The plant’s leaves are small and inconspicuous, and it produces white or yellow flowers in the summer. The sap of this plant is toxic and can cause skin irritation, so it is important to handle it with care.
Care Guide
Water: Euphorbia Trigona requires infrequent watering, especially during the winter months when it goes dormant. Water only when the soil is completely dry, and avoid getting water on the leaves or stems.
Fertilization: This plant does not require frequent fertilization, but you can give it a balanced fertilizer every few months during the growing season.
Soil: Use a well-draining soil mix, such as cactus or succulent soil, to ensure that the plant’s roots do not sit in water.
Sunlight: Euphorbia Trigona prefers bright, indirect sunlight. Avoid placing it in direct sunlight, as this can scorch its leaves and stems.
Hardiness Zones: This plant is hardy in USDA zones 9-11, but can be grown indoors in colder climates.
Common Pests & Diseases
Euphorbia Trigona is susceptible to mealybugs, spider mites, and scale insects. To prevent infestations, inspect the plant regularly and treat with an insecticidal soap if necessary. This plant is also prone to root rot if overwatered, so be sure to let the soil dry out between waterings.
Habitat
Euphorbia Trigona is native to Central and West Africa, where it grows in hot, dry climates. It is often found in rocky or sandy areas, and can tolerate moderate drought conditions.
Question and Answer
Q: Is Euphorbia Trigona toxic to pets?
A: Yes, this plant is toxic to cats, dogs, and other pets, so it should be kept out of reach.
Q: How often should I water my Euphorbia Trigona plant?
A: Water only when the soil is completely dry, and avoid getting water on the leaves or stems.
Q: Can Euphorbia Trigona be grown indoors?
A: Yes, this plant can be grown indoors in bright, indirect sunlight.
Q: How tall can Euphorbia Trigona grow?
A: This plant can grow up to 6 feet tall.
Related Plants
- Euphorbia lactea
- Euphorbia millii
- Euphorbia obesa
- Euphorbia tirucalli
References
- “Euphorbia Trigona.” The Spruce, 2021, www.thespruce.com/growing-euphorbia-trigona-1902772.
- “Euphorbia Trigona.” World of Succulents, 2021, worldofsucculents.com/euphorbia-trigona-african-milk-tree-cathedral-cactus/.
- “Euphorbia Trigona.” Gardening Know How, 2021, www.gardeningknowhow.com/ornamental/cacti-succulents/euphorbia/euphorbia-trigona.htm.
