Guide to King’s Mantle (Thunbergia erecta)

King’s Mantle, also known as Bush Clock Vine or Thunbergia erecta, is a popular ornamental shrub known for its vibrant purple flowers and easy maintenance.

History

King’s Mantle is native to tropical Africa. It has been cultivated in gardens around the world for its striking blooms and adaptability to various growing conditions.

Common Names

King’s Mantle
Bush Clock Vine
Thunbergia erecta

Plant Characteristics

Height: Up to 6 feet tall
Width: Up to 4 feet wide
Leaves: Dark green, ovate, and glossy
Flowers: Deep purple with a yellow throat, trumpet-shaped
Bloom Time: Year-round in tropical climates; spring to fall in temperate regions
Sun Exposure: Full sun to partial shade
Soil Type: Well-draining soil, rich in organic matter
Soil pH: Slightly acidic to neutral
Hardiness Zones: 9-11 (USDA)

Planting Guide

When to Plant: Plant in spring or fall when temperatures are mild.
Where to Plant: Choose a spot with full sun to partial shade and well-draining soil.
How to Plant: Dig a hole twice the width of the root ball and plant the shrub at the same depth it was in the container. Space plants 3 feet apart to allow for growth.
Mulching: Add a layer of mulch around the base to retain moisture and suppress weeds.

Care Instructions

Watering: Water regularly, especially during the first year to establish roots. Once established, water moderately, allowing the soil to dry out between waterings.
Feeding: Fertilize three times a year with a balanced fertilizer (e.g., 10-10-10). Supplement with bone meal or liquid fertilizer to promote blooming.
Pruning: Prune in late winter or early spring to shape the plant and remove dead or damaged branches. Avoid using hedge trimmers; hand pruning is best.
Propagation: Easily propagated by seeds or cuttings. Divide the plant every 3-4 years to maintain vigor.

Pests and Diseases

King’s Mantle is generally pest and disease-resistant. However, watch out for spider mites, aphids, and whiteflies. Ensure good air circulation to prevent fungal diseases.

Uses

Landscaping: Ideal for garden beds, borders, and containers.
Hedges: Can be used to form attractive flowering hedges.
Cut Flowers: Excellent cut flowers for arrangements.

Toxicity

All parts of King’s Mantle are toxic if ingested. Keep it away from children and pets.

Fun Facts

Symbolism: In some cultures, King’s Mantle is seen as a symbol of protection and prosperity.
Varieties: There are several varieties with different flower colors, including white and blue.