Empress of India
The Empress of India (Tropaeolum majus) is a hardy, herbaceous, annual flowering plant. It is native to South America, particularly Peru and Bolivia. It is a member of the Tropaeolaceae family. The Empress of India makes an attractive groundcover or trailing plant, and is best grown in shaded areas. Despite its tropical origins, it is generally very tolerant of cooler temperatures and can be grown in USDA zones 7 and higher. It can be grown as an ornamental plant in containers indoors or outdoors.
Water your Empress of India plant regularly, making sure the soil is always slightly moist. The plant prefers consistently moist soil but it should never stand in water and be sure to allow it to dry out slightly between waterings. Overwatering can cause the foliage to yellow and the tips to curl.
Empress of India prefers bright but filtered light, such as that found beneath a pergola or trellis. Full sun and direct heat should be avoided, as it can cause the foliage to scorch. If plants are grown in full sun, it is important to make sure they remain constantly moist. If grown indoors, place in an east or south facing window, but protect from scorching afternoon sun.
The Empress of India is a tropical plant and prefers temperatures between 55°F to 70°F (13°C to 21°C). It can tolerate temperatures as low as 37°F (3°C) for brief periods of time. Avoid exposing it to temperatures lower than this as it may suffer damage.
The Empress of India enjoys a humid environment, but can tolerate normal household humidity. It may need to be misted in particularly dry indoor environments. If grown outdoors, plant it in a shady area where it will be sheltered from wind.
The Empress of India prefers a light and well-drained soil with a medium to low level of fertility. The ideal soil should have a pH of between 6 and 7 and contain plenty of organic matter. If growing it in containers, use a high-quality potting soil with added perlite to promote drainage.
Fertilizing is an important aspect of caring for the Empress of India. Feed with a balanced liquid fertilizer every 2-4 weeks during the growing season. Try to avoid fertilizer with a high nitrogen content, as this can encourage excessive vegetative growth. Apply a slow release fertilizer every 3-4 months to ensure good bloom and growth, as well as micronutrients to boost flowering.
Not surprisingly, the Empress of India can be prone to a number of insect pests, including aphids, lace bugs and mealybugs. Homeowners should check their plants regularly for signs of infestation and take prompt corrective action. To treat aphids, use a natural insecticidal soap or neem oil. Lace bugs can be controlled by pruning the affected parts of the plant and treating with neem oil. Mealybugs can be eliminated with horticultural oil or rubbing alcohol. If the infestation is severe, it may be necessary to discard the plant.
The Empress of India should only be repotted once every two years, or every three if it is not being used for propagation purposes. Always use a light, well-draining soil, such as a lightweight potting soil or cactus and succulent soil mix. When repotting, make sure the soil is only lightly compacted and well watered.
The Empress of India does not require regular pruning, however, it can be pruned back to encourage a fuller, bushier shape. The best time to prune is in spring or summer, when the new buds are beginning to emerge. Make sure to prune the plant immediately after flowering to ensure a good show of flowers the next year.
The Empress of India should be mulched in the autumn, to protect the roots from becoming too cold in winter. An organic mulch is best, such as garden compost or aged manure. Mulch should be applied in a 2-3 inch layer and kept clear of the stem to prevent rot.
The Empress of India is easily propagated via cuttings. Take cuttings in the spring or summer months, when the plant is in active growth. Remove the lower leaves and dip the cut end in a rooting hormone before potting it in a well-draining soil mix. Place the pot in a warm spot or propagator at temperatures between 70-80°F (21-27°C). Roots should form within 3-4 weeks.
The Empress of India can also benefit from support as it grows taller and begins to cascade. A stake is an ideal choice as it will help support the stems and promote a better overall growth habit. Be careful not to damage the stems when positioning the stake.
The Empress of India does not require a rest period and can be grown in the same pot all year round, with regular repotting and fertilizing. Although it is not necessary to rest the plant, it may benefit from slightly cooler temperatures and less direct sunlight in the winter months.
The Empress of India is generally non-toxic to pets, however, it should not be ingested. Animals may experience itching or swelling if they come into contact with the sap of the plant.
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