Contents
Description
Ruellia Lactea, also known as Mexican petunia, is a perennial plant that belongs to the Acanthaceae family. It is native to Mexico and Central America but is now widely cultivated in many parts of the world. The plant grows up to 1.5 meters in height and has dark green leaves that are up to 15 cm long. The flowers are trumpet-shaped and come in shades of white or pink. They bloom from late spring until the first frost.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Acanthaceae |
| Genus | Ruellia |
Appearance
Ruellia Lactea has a bushy growth habit and can grow up to 1.5 meters tall. The plant has dark green, lance-shaped leaves that can grow up to 15 cm long. The flowers are trumpet-shaped and come in shades of white or pink. They have a diameter of about 5 cm and bloom from late spring until the first frost. The plant’s roots are shallow and fibrous, and the stems are erect and woody.
Care Guide
Water: Ruellia Lactea requires moderate watering, and the soil should be kept moist but not waterlogged. During the growing season, water the plant once or twice a week, depending on the weather conditions. In the winter months, reduce watering to once every two weeks.Fertilization: The plant requires regular fertilization during the growing season to promote healthy growth and flowering. Use a balanced fertilizer with an N-P-K ratio of 10-10-10 or 20-20-20. Apply the fertilizer every two weeks during the growing season.Soil: Ruellia Lactea grows best in well-draining soil that is rich in organic matter. The soil pH should be between 6.0 and 7.5. If the soil is too acidic, add lime to raise the pH.Sunlight: The plant prefers full sun to partial shade. It can tolerate some shade but may not flower as well.Hardiness Zones: Ruellia Lactea is hardy in USDA zones 8-11.
Common Pests & Diseases
Ruellia Lactea is relatively pest-free but can be susceptible to spider mites, mealybugs, and aphids. To control these pests, use insecticidal soap or neem oil. The plant can also be prone to root rot if the soil is too wet. To prevent root rot, make sure the soil is well-draining and not waterlogged.
Habitat
Ruellia Lactea is native to Mexico and Central America but has been introduced to many parts of the world. It grows in a variety of habitats, including open woodlands, grasslands, and disturbed areas. The plant prefers well-draining soil and can tolerate a range of temperatures.
Question and Answer
Q: Is Ruellia Lactea toxic to pets?A: Yes, the plant is toxic to cats and dogs if ingested. Symptoms of poisoning include vomiting, diarrhea, and abdominal pain.Q: Does Ruellia Lactea attract bees?A: Yes, the flowers of the plant are attractive to bees and other pollinators.Q: Can Ruellia Lactea be grown in a container?A: Yes, the plant can be grown in a container as long as the container is large enough to accommodate the plant’s root system.Q: How often should Ruellia Lactea be pruned?A: The plant does not require regular pruning but can be pruned to control its size or shape. Prune the plant in the early spring before new growth begins.
Related Plants
- Ruellia brittoniana
- Ruellia tuberosa
- Ruellia tweediana
References
- “Ruellia Lactea.” Missouri Botanical Garden. Accessed 2 September 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c975
- “Mexican petunia (Ruellia brittoniana).” Florida-Friendly Landscaping Program. Accessed 2 September 2021. https://ffl.ifas.ufl.edu/plants/mexican-petunia-ruellia-brittoniana/
- “Ruellia Lactea – Mexican Petunia, White.” Plant Delights Nursery. Accessed 2 September 2021. https://www.plantdelights.com/products/ruellia-lactea
