Thunbergia Erecta Violet flowering plant

Thunbergia erecta, often called the Bush Clock Vine or King’s Mantle, is a beautiful ornamental shrub from the Acanthaceae family. It’s not as common as climber thunbergias (like black-eyed Susan vine), but it’s prized for its vibrant flowers.

🌱 General Information

• Scientific name: Thunbergia erecta

• Common names: Bush Clock Vine, King’s Mantle, Bush Thunbergia

• Family: Acanthaceae

• Type: Evergreen shrub (sometimes trained as a small vine)

• Height/Spread: 4–6 feet tall, 3–5 feet wide (compact, bushy form)

• Leaves: Small, opposite, ovate, bright to deep green

• Flowers:

  • Trumpet-shaped, 2–3 inches wide

  • Violet-purple to deep blue with a bright yellow throat
    

🌍 Growing Conditions

• Native range: West Africa

• Climate: Tropical and subtropical

• Light: Full sun to partial shade (best flowering in full sun)

• Soil: Well-draining, fertile soil (loamy or sandy, pH 6–7)

• Watering: Regular watering; keep soil moist but not waterlogged. Drought-tolerant once established.

🌿 Care & Maintenance

• Pruning: Trim lightly after flowering to maintain shape and encourage branching. Can be shaped into a hedge or grown in containers.

• Fertilizer: Feed monthly during growing/flowering season with a balanced fertilizer.

• Pests/Diseases: Generally resistant, but may attract aphids, whiteflies, or spider mites in hot/dry conditions.

• Propagation: Easily propagated by semi-hardwood cuttings or seeds.

🌸 Landscape & Uses

• Ornamental hedge, border, or specimen shrub

• Works beautifully in containers, patios, and courtyards

• Attracts butterflies and hummingbirds

• Can be pruned into topiary shapes or used as a flowering accent

✅ Tip: Regular pruning keeps Thunbergia erecta bushy and full of blooms. Without trimming, it may get leggy.