Grewia Robusta

Description

Grewia Robusta is a small tree that is native to Africa and Asia. It is also commonly known as the Lavender Starflower or the African Starbush. This species belongs to the family Malvaceae and is known for its beautiful lavender flowers that bloom in late winter and early spring. The tree has a straight trunk and can grow up to 10 meters in height. Its leaves are simple, alternate, and have a length of 5-10 cm.

Taxonomic Information

Appearance

The Grewia Robusta tree has an upright and spreading growth habit. Its bark is grey-brown and rough, and the branches are covered with small hairs. The leaves of this tree are simple, alternate, and have a length of 5-10 cm. They are oval-shaped, dark green, and have a slightly serrated margin. In late winter and early spring, the tree produces beautiful lavender flowers that are star-shaped and have a diameter of 1-2 cm. The fruit of this tree is a greenish-yellow berry that is edible and has a sour taste.

Care Guide

Water

Grewia Robusta requires regular watering during the growing season. It is important to keep the soil moist but not waterlogged to prevent root rot.

Fertilization

This plant benefits from regular fertilization during the growing season. Use a balanced fertilizer and follow the manufacturer’s instructions for application.

Soil

Grewia Robusta prefers well-draining soil that is rich in organic matter. It can tolerate a wide range of soil pH but prefers slightly acidic to neutral soil.

Sunlight

This tree prefers full sunlight but can tolerate partial shade.

Hardiness Zones

Grewia Robusta is hardy in USDA zones 9-11.

Common Pests & Diseases

Grewia Robusta is susceptible to a few pests and diseases, including spider mites, aphids, and powdery mildew. Regular inspections and treatments with insecticidal soap or neem oil can help prevent pest infestations. Proper pruning and spacing of plants can also help prevent fungal diseases like powdery mildew.

Habitat

Grewia Robusta is native to Africa and Asia and can be found in a variety of habitats, including savannas, tropical and subtropical forests, and grasslands. It is a hardy tree that can tolerate drought, making it a good choice for xeriscaping.

Question and Answer

Q: Can Grewia Robusta be grown in a container?

A: Yes, Grewia Robusta can be grown in a container. Use a large container and make sure it has good drainage.

Q: Is Grewia Robusta a fast-growing tree?

A: Grewia Robusta is a moderately fast-growing tree.

Q: Does Grewia Robusta attract wildlife?

A: Yes, Grewia Robusta is known to attract birds and butterflies.

Q: Can Grewia Robusta be grown from seed?

A: Yes, Grewia Robusta can be grown from seed. Sow the seeds in a well-draining soil mix and keep them moist until they germinate.

Related Plants

• Grewia Asiatica
• Grewia Occidentalis
• Grewia Tenax
• Grewia Flavescens

References

• “Grewia Robusta.” PlantZAfrica, www.plantzafrica.com/plantefg/grewiarob.htm.
• “Grewia Robusta.” Gardening Know How, www.gardeningknowhow.com/ornamental/shrubs/lavender-star-flower-grewia-robus.htm.
• “Grewia Robusta.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c182.