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Description
Gomphocarpus Tomentosus, also known as the hairy cotton bush, is a perennial plant species that belongs to the milkweed family. This plant is native to South Africa, where it grows in sandy soils and rocky areas. It is known for its unique appearance, which includes hairy stems and leaves, as well as small, white flowers. The seeds produced by this plant are enclosed in a pod that resembles a small cotton ball, which is why it is commonly referred to as the cotton bush.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Gentianales |
| Family | Apocynaceae |
| Genus | Gomphocarpus |
Appearance
The hairy cotton bush can grow up to 6 feet tall and 3 feet wide. Its stems and leaves are covered in fine hairs, which give it a fuzzy appearance. The leaves are lance-shaped and can grow up to 6 inches long. The flowers of this plant are small and white, and they bloom in clusters from late spring to early fall. The fruits of this plant are pods that are covered in soft hairs, which give them a cotton-like texture.
Care Guide
The hairy cotton bush is a hardy plant that requires minimal care. Here are some tips for caring for this plant:
- Water: Water the plant deeply once a week, or when the top inch of soil feels dry to the touch.
- Fertilization: Fertilize the plant once a month during the growing season with a balanced fertilizer.
- Soil: Grow the plant in well-draining soil that is rich in organic matter.
- Sunlight: Place the plant in full sun to partial shade.
- Hardiness Zones: The hairy cotton bush is hardy in USDA zones 9-11.
Common Pests & Diseases
The hairy cotton bush is relatively pest and disease-resistant. However, it may be susceptible to the following:
- Aphids: These small insects can suck the sap from the leaves and stems of the plant, causing them to wilt and die.
- Spider mites: These tiny pests can cause the leaves to turn yellow and fall off.
- Fungal leaf spot: This disease can cause brown spots on the leaves and stems of the plant.
To prevent these pests and diseases, keep the plant healthy and free from stress. Remove any infected plant material and treat with a suitable insecticide or fungicide if necessary.
Habitat
The hairy cotton bush is native to South Africa, where it grows in sandy soils and rocky areas. It is also commonly found in other parts of the world, including Australia, India, and the United States. In the United States, it is often grown as an ornamental plant in gardens and landscapes.
Question and Answer
Q: Is the hairy cotton bush toxic?
A: Yes, the plant is toxic if ingested. It contains cardiac glycosides, which can cause heart problems in humans and animals.
Q: How do I propagate the hairy cotton bush?
A: The plant can be propagated by seed or by stem cuttings taken in the spring or early summer.
Q: Can the hairy cotton bush tolerate drought?
A: Yes, the plant is drought-tolerant once established. However, it will grow best with regular watering.
Q: How often should I prune the hairy cotton bush?
A: The plant does not require regular pruning, but you can remove any dead or damaged branches as needed.
Related Plants
- Gomphocarpus Fruticosus
- Gomphocarpus Physocarpus
- Gomphocarpus Sinuatus
References
- “Gomphocarpus Tomentosus.” Missouri Botanical Garden. Accessed August 4, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=l440.
- “Gomphocarpus Tomentosus.” PlantZAfrica. Accessed August 4, 2021. http://pza.sanbi.org/gomphocarpus-tomentosus.
- “Hairy Cotton Bush: Gomphocarpus Tomentosus.” World of Succulents. Accessed August 4, 2021. https://worldofsucculents.com/hairy-cotton-bush-gomphocarpus-tomentosus/.
