Contents
Description
Cussonia is a genus of trees and shrubs that belongs to the family Araliaceae. There are about 20 species of Cussonia, mostly found in Africa and Madagascar. They are known for their large, lobed leaves and unique appearance, making them a popular ornamental plant. Some species of Cussonia can grow up to 20 meters tall, while others remain small and shrubby.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Apiales |
| Family | Araliaceae |
| Genus | Cussonia |
Appearance
Cussonia has large, lobed leaves that can be up to 1 meter in length. The leaves are arranged in a rosette at the end of the stems. Some species have a distinctive silvery or bluish coloration on the undersides of the leaves. The flowers of Cussonia are small and white or yellow, and are arranged in large panicles. The fruit is a small, round drupe that is usually black or purple.
Care Guide
Cussonia is a relatively easy plant to care for, as long as you provide it with the right conditions. Here are some tips to help you care for your Cussonia:
- Water: Cussonia prefers well-draining soil and should be watered regularly, but not over-watered. Allow the soil to dry out between waterings.
- Fertilization: Fertilize your Cussonia once a month during the growing season with a balanced fertilizer.
- Soil: Cussonia prefers well-draining soil that is rich in organic matter.
- Sunlight: Cussonia prefers full sun to partial shade, but can tolerate some shade.
- Hardiness Zones: Cussonia is hardy in USDA zones 9-11.
Common Pests & Diseases
Cussonia is relatively pest and disease resistant, but it can still be susceptible to some common problems. Here are some of the pests and diseases that can affect Cussonia:
- Scale insects: These insects can suck the sap from the leaves and stems of Cussonia, causing them to wilt and die. Use insecticidal soap or neem oil to control the infestation.
- Leaf spots: Cussonia can be susceptible to various fungal leaf spots, which can cause the leaves to yellow and drop prematurely. Remove infected leaves and treat the plant with a fungicide.
- Root rot: Over-watering or poorly drained soil can lead to root rot in Cussonia. Allow the soil to dry out between waterings and make sure the pot has adequate drainage.
Habitat
Cussonia is native to Africa and Madagascar, where it grows in a variety of habitats including savannas, woodlands, and rocky slopes. Some species of Cussonia can also be found in coastal areas.
Question and Answer
Q: Can Cussonia be grown indoors?
A: Yes, Cussonia can be grown indoors as long as it is placed in a bright, sunny location and is watered regularly.
Q: How fast does Cussonia grow?
A: The growth rate of Cussonia can vary depending on the species and growing conditions. Some species can grow up to 1 meter per year, while others may grow more slowly.
Q: Can Cussonia be propagated from cuttings?
A: Yes, Cussonia can be propagated from stem cuttings taken in the spring or summer. The cuttings should be allowed to dry for a few days before being planted in well-draining soil.
Q: Is Cussonia toxic to pets?
A: There is limited information on the toxicity of Cussonia to pets, but it is generally considered to be non-toxic.
Related Plants
- Polyscias
- Schefflera
- Dizygotheca
- Plerandra
References
- “Cussonia.” PlantZAfrica. South African National Biodiversity Institute, n.d. Web. 27 Oct. 2021.
- “Cussonia.” Missouri Botanical Garden. Missouri Botanical Garden, n.d. Web. 27 Oct. 2021.
