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Description
Cestrum Thyrsoideum, commonly known as the Mexican cestrum, is a species of flowering plant in the nightshade family, Solanaceae. It is native to Mexico and Central America and is widely cultivated as an ornamental plant for its fragrant flowers and dark green foliage.
Taxonomic Information
| Domain: | Eukarya |
| Kingdom: | Plantae |
| Phylum: | Spermatophyta |
| Class: | Magnoliopsida |
| Order: | Solanales |
| Family: | Solanaceae |
| Genus: | Cestrum |
Appearance
Cestrum Thyrsoideum is a fast-growing shrub that can reach up to 10 feet in height and 8 feet in width. It has dark green, glossy leaves that are about 4 inches long and 2 inches wide. The plant produces clusters of tubular, fragrant flowers that are about 1 inch long and come in shades of white, pink, and lavender. The flowers bloom in summer and fall and are followed by small, black berries that are poisonous if ingested.
Care Guide
Water: Cestrum Thyrsoideum prefers consistently moist soil but can tolerate some drought once established. Water the plant deeply once a week during the growing season and reduce watering in winter.
Fertilization: Feed Cestrum Thyrsoideum with a balanced fertilizer in spring and summer to promote growth and flowering.
Soil: Plant Cestrum Thyrsoideum in well-draining soil that is rich in organic matter. The plant prefers slightly acidic to neutral soil with a pH between 6.0 and 7.0.
Sunlight: Cestrum Thyrsoideum grows best in full sun to partial shade. It can tolerate some shade but may produce fewer flowers.
Hardiness Zones: Cestrum Thyrsoideum is hardy in USDA zones 8 to 11 and can be grown as an annual in colder climates.
Common Pests & Diseases
Cestrum Thyrsoideum is relatively pest and disease-free but may be susceptible to spider mites, whiteflies, and mealybugs. It may also develop fungal diseases such as powdery mildew and leaf spot if grown in damp conditions or overcrowded areas.
Habitat
Cestrum Thyrsoideum is native to Mexico and Central America and grows in a variety of habitats, including forests, scrublands, and disturbed areas. It is widely cultivated as an ornamental plant in gardens and landscapes throughout its range and beyond.
Question and Answer
Q: Is Cestrum Thyrsoideum toxic to pets?
A: Yes, the berries of Cestrum Thyrsoideum are poisonous if ingested and can cause vomiting, diarrhea, and other symptoms in pets and humans.
Q: Can Cestrum Thyrsoideum be grown in containers?
A: Yes, Cestrum Thyrsoideum can be grown in containers as long as it has enough space to grow and is provided with adequate water and nutrients.
Q: How often should I prune Cestrum Thyrsoideum?
A: Prune Cestrum Thyrsoideum in late winter or early spring to remove dead or damaged wood and shape the plant as desired. Avoid pruning during the growing season as this may reduce flowering.
Q: Does Cestrum Thyrsoideum attract pollinators?
A: Yes, Cestrum Thyrsoideum is attractive to bees, butterflies, and other pollinators that are attracted to its fragrant flowers.
Related Plants
- Cestrum Elegans
- Cestrum Nocturnum
- Cestrum Parqui
- Cestrum Aurantiacum
References
- “Cestrum Thyrsoideum.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a146.
- “Mexican Cestrum.” The Spruce, www.thespruce.com/mexican-cesturm-plant-profile-4842274.
- “Cestrum Thyrsoideum.” Dave’s Garden, www.davesgarden.com/guides/pf/go/194573/.
