Indian Corkwood
Indian Corkwood, also called Leitneria floridana, is an evergreen shrub native to the southeastern United States. It is named for its thick, corky bark that can be found on both its stems and branches. The leaves of this plant are a glossy dark green and leathery. The small creamish-white male flowers are followed by red berries that ripen in late summer. This relatively slow growing and drought tolerant shrub is a great option for gardens in warmer climates.
This shrub prefers moist, well-drained soils and should be watered regularly during the summer until a healthy deep root system is established. As with all woody plants, Indian Corkwood should not be allowed to dry out. However, they can tolerate some drought conditions once they are established.
Indian Corkwood prefers partial shade and can tolerate full sun locations, however, too much direct sun may cause foliage to scorch. Because the plant does not produce well without enough light, look for locations that receive morning sun and afternoon shade or dappled sun throughout the day.
Indian Corkwood is a warm season plant that prefers temperatures between 70°F and 90°F, or 21°C to 32°C. Colder temperatures will cause the plant to go dormant, while temperatures above this range may cause the plant to lack vigor.
This plant does not require high levels of humidity but can withstand occasional hot, humid days better than low humidity conditions. Since air circulation is key with warm season shrubs, it is important to avoid planting too close to other plants to allow enough air movement.
Indian Corkwood prefers moist, fertile, and well-drained soil. The pH should be slightly acidic (pH 6.0 to 6.5). You can improve soil structure by adding compost or well-rotted manure before planting, and a layer of mulch around the base of the plant to reduce evaporation.
To ensure adequate growth and flowering, fertilize Indian Corkwood in early spring with a balanced fertilizer such as 5-10-5. Fertilize monthly during the growing season and then again in the fall. If fertilizer is applied too late, the growth may not have a chance to mature before the winter and may die off.
This plant has few serious pest issues. Spider mites may infest the plant and cause yellow spots. Thrips may also cause yellow spots and distorted foliage. The best way to get rid of these pests is to employ the use of beneficial insects like green lacewings or lady bugs, as well as a regular spraying of horticultural oil. You can also keep the humidity around the plant low to discourage them from taking up residence.
This plant does not require frequent repotting, although when the plant becomes root-bound it will need to be repotted. Repot in spring using a mixture of soil, compost, and peat moss to provide adequate drainage and aeration for the roots.
This plant has an upright, open growth habit and responds well to regular pruning. To maintain an attractive shape, prune lightly in early spring to remove dead or diseased branches. Prune out weak, leggy branches to encourage bushier growth. In late summer, prune the tips of the branches to encourage bushier growth and more branching.
This plant prefers a layer of mulch to retain moisture and reduce weeds. Choose an organic mulch like bark or wood chips.
Indian Corkwood can be propagated from seed or cuttings. To start from seed, collect ripe seed in late summer and store in the refrigerator for 4-6 weeks before sowing. To start from cuttings, take 3-4 inch tip cuttings in spring or summer and plant directly into the soil. Dip the cutting in rooting powder prior to planting.
This plant may need occasional staking or support to remain upright in a breeze. Soft ties can be used to secure the branches to a stake or to other plants.
This plant does not go dormant in the winter and can be kept outside all year with protection against cold temperatures. In colder climates, the plant may need to be moved indoors to a well-lit location during the winter months.
This plant is not toxic to humans or pets.
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