Gomphocarpus Physocarpus

Description

Gomphocarpus Physocarpus, commonly known as the balloon plant or swan plant, is a species of milkweed native to Africa. It is a perennial subshrub that can grow up to 2 meters tall. The plant gets its name from its unique fruit, which is a large, inflated, balloon-like structure that contains numerous seeds.

Taxonomic Information

Appearance

The leaves of the Gomphocarpus Physocarpus are large, oval-shaped, and can grow up to 20 cm in length. The flowers are small and white, and they grow in clusters at the top of the plant. The fruit is the most distinctive feature of the plant, as it is a large, inflated, balloon-like structure that can grow up to 10 cm in diameter. The fruit starts off green and gradually turns yellow as it matures.

Care Guide

Gomphocarpus Physocarpus is a relatively low-maintenance plant that requires minimal care. Here are some tips for taking care of your balloon plant:

• Water: Water your plant regularly, but make sure not to over-water it as this can cause root rot.
• Fertilization: Fertilize your plant every 4-6 weeks during the growing season with a balanced fertilizer.
• Soil: The balloon plant prefers well-draining soil that is rich in organic matter.
• Sunlight: The plant prefers full sun but can also grow in partial shade.
• Hardiness Zones: The plant is hardy in USDA zones 8-11.

Common Pests & Diseases

The Gomphocarpus Physocarpus is relatively pest and disease-resistant. However, there are a few pests and diseases you should watch out for:

• Aphids: These small insects can suck the sap from the plant and cause stunted growth. Use insecticidal soap to get rid of them.
• Spider mites: These tiny pests can cause leaves to turn yellow and dry out. Use insecticidal soap or neem oil to get rid of them.
• Leaf spot: This fungal disease can cause brown spots on the leaves. Remove infected leaves and use a fungicide to prevent further spread.

Habitat

The balloon plant is native to Africa but can now be found in many other parts of the world, including Australia, New Zealand, and the United States. It prefers warm, dry climates and can grow in a variety of soil types.

Question and Answer

Q: Is the Gomphocarpus Physocarpus toxic to humans?

A: Yes, the plant is toxic if ingested and can cause vomiting and diarrhea.

Q: Can the balloon plant be grown indoors?

A: Yes, the plant can be grown indoors in a sunny location.

Q: How long does it take for the fruit to mature?

A: It takes about 3-4 months for the fruit to mature and turn yellow.

Q: Can the balloon plant be propagated from cuttings?

A: Yes, the plant can be propagated from stem cuttings taken in the summer.

Related Plants

• Gomphocarpus fruticosus
• Gomphocarpus sinaicus
• Gomphocarpus cancellatus
• Asclepias syriaca

References

• “Gomphocarpus physocarpus.” Missouri Botanical Garden. www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d299.
• “Swan Plant, Balloon Plant.” Auckland Council. www.aucklandcouncil.govt.nz/environment/plants-animals/pests-weeds/Pages/swan-plant-balloon-plant.aspx.
• “Gomphocarpus physocarpus.” Australian Native Plants Society. anpsa.org.au/gom-pho.html.