Phaulopsis imbricata is a shrub native to South Africa. It is also known as Himalayan ruellia. Leaves are opposite, one larger than the other in each pair, usually asymmetrical at the base. Phaulopsis imbricata is a good fodder, the young leaves are eaten as a vegetable and the plant-ash in oil is rubbed into scarifications on the back for rheumatism in Tanganyika. The flowers have an unpleasant smell. It is filed as near-threatened by the IUCN. It is one of the larval host plants of the butterflies great eggfly, tiny grass blue, brown pansy, soldier pansy and marbled elf.
Himalayan ruellia has strong disease resistance and is usually not susceptible to diseases. In terms of care, this plant is fairly low maintenance. When grown outdoors, it needs only light watering, and larger specimens generally do not require pruning. However, smaller plants should be trimmed after they finish blooming. Himalayan ruellia is suitable for anyone with outdoor space, such as a garden or a deck, and does not demand extensive care experience.
How to keep Phaulopsis Imbricata.
Light
Himalayan ruellia naturally occurs in habitats like forest understories and rocky areas that provide natural shade. It prefers partial sun but can adjust to full sun or full shade, showing a versatile and hardy nature.
Temperature
Himalayan ruellia comes from tropical regions, where the climate is generally warm and humid. As a result, it is well adapted to high temperatures and humidity. It does not tolerate sudden temperature changes and prefers a stable temperature, so avoiding indoor temperature fluctuations is important. It usually cannot withstand cold and requires warmer conditions for growth. If the temperature falls too low, the plant may stop growing or even die.
Fertilizer
Fertilizing a Himalayan ruellia is best done in early spring as it comes out of dormancy. This supports overall growth and the development of flowers. Fertilizer improves foliage, stems, and branches, while encouraging larger, more vivid, and longer-lasting blooms. It helps transport nutrients from the roots to the flowers and enhances the plant’s health and resistance to disease.
Botanical profile.
- Plant Type
- Shrub
- Life Cycle
- Perennial
- Genus
- Phaulopsis
- Family
- Acanthaceae
- Hardiness Zone
- 10-12
- Mature Height
- 30 cm to 61 cm
- Mature Spread
- 30 cm to 49 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Evergreen
- Flower Color
- White
- Flower Size
- 1.02 cm to 1.52 cm
- Bloom Time
- Late spring, Summer, Early fall
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Mid summer, Late summer, Fall
- Native Area
- Sri Lanka, Burkina Faso, India, Angola, Rwanda, Nigeria, Yemen, Kenya, Uganda, Tanzania, Zimbabwe, Guinea-Bissau, Mali, Benin, Cameroon, Liberia, Mozambique, Burundi, Ethiopia, Congo, Nepal, Malawi, South Africa, Zambia, Sudan, Mauritania, Laos, Bangladesh, Chad, China, Vietnam, Myanmar, Bhutan, Senegal, Eswatini, Côte d'Ivoire, Gambia, Congo (DRC), Thailand, Gabon
