To ensure your Thunbergia erecta thrives, place it in a location where it gets dappled sunlight. This could be under a tree that provides light shade or near a window with sheer curtains indoors.

It is ideal to set the plant in a spot that receives morning sunlight, which is gentle, allowing the plant to absorb necessary light without the harsh afternoon rays.

The plant should be moved to align with seasonal light changes, ensuring it receives enough sunlight in winter and is protected from harsh summer sun.

Bush clockvine (Thunbergia erecta)

Also known as: Potato bush

Consider the Clematis, a versatile climbing plant that produces striking dark blue or purple flowers during the summer and autumn months. This plant is perfect for enhancing hedges, borders, and walls with its vibrant blooms. While typically a climber, it can also be trained to grow in various forms to suit your gardening needs.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Bush clockvine

Lifespan

Perennial

Plant Type

Vine, Shrub

Plant Height

2.5 m

Spread

1.5 m to 2.5 m

Leaf Color

Green

Flower Size

2.5 cm to 5 cm

Flower Color

Purple Blue

Images of Bush clockvine

Quickly Identify Bush clockvine

To identify Thunbergia erecta, look for its vibrant blue or violet tubular flowers with a characteristic yellow center. The leaves are glossy, ovate, and dark green. The plant typically grows upright and can reach moderate heights.

Scientific Classification of Bush clockvine

Phylum

Vascular plants

Class

Dicotyledons

Order

Lamiales

Family

Acanthus

Genus

Thunbergias

Species

Bush clockvine

Planting and Growing of Bush clockvine

Care Difficulty

Easy

Watering Schedule

Every 3 days

Sunlight Requirements

Partial sun

Sunshine Duration

4-8 hours

Ideal Temperature

68-77℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

Once a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Bush clockvine?

When watering Thunbergia erecta, aim for about 500 ml of water per session. This amount ensures that the soil is evenly moist but not waterlogged. It's crucial to only water until you see a slight trickle from the drainage holes, indicating the soil is adequately saturated without being overly wet.

What are the symptoms of an underwatered Bush clockvine? ›

What should I do if my Bush clockvine is not getting enough water? ›

What are the symptoms of an overwatered Bush clockvine? ›

How to save an overwatered Bush clockvine? ›

What Are the Sunlight Requirements for Bush clockvine?

Sunlight Requirements: Partial sun

Duration of light: 4-6 hours

Providing partial sun exposure ensures robust growth and vibrant blooms. This balanced light condition supports photosynthesis and prevents stress caused by fluctuating extremes.

Optimal Location ›

Sunlight Timing ›

Adjusting for Light ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Bush clockvine?

Ideal Temperature: 68 ~ 77℉

For optimal growth, Thunbergia erecta thrives best between 68°F to 77°F. This temperature range supports healthy development and flowering, providing warmth without causing heat stress.

What Soil is Best for Bush clockvine?

Soil type: Sandy soil, Loam

Soil PH: 6.5 ~ 7.5

Thunbergia erecta thrives best in well-draining soils to prevent waterlogging, which can lead to root rot. Sandy soil or loamy soil is ideal as it provides adequate drainage, ensuring that the roots have a healthy environment to grow, promoting vigorous plant development. Moderately fertile soils supply enough nutrients to support the growth of Thunbergia erecta without causing nutrient burns from excessive fertilizers. Loamy soil enriched with organic matter ensures a steady flow of essential nutrients, boosting plant growth and health. Keeping the pH level between 6.5 and 7.5 is crucial for Thunbergia erecta to facilitate optimal nutrient absorption from the soil. Naturally balanced soil in this range avoids nutrient lockout and ensures the plant can access necessary elements for its development.

How to Fertilize Bush clockvine?

Fertilizer type: Balanced

For Thunbergia erecta, it is important to use a balanced fertilizer with equal parts of nitrogen, phosphorus, and potassium. Typically, a diluted solution of liquid fertilizer should be enough. When applying slow-release granules, a handful spread evenly around the base of the plant is sufficient.

How to Prune Bush clockvine?

Pruning Time: Spring, Summer, Autumn

Using sharp, clean pruning shears is essential to ensure smooth cuts and prevent damage to the plant. Dull tools can crush or injure the stems, leading to potential disease entry points. Always sterilize your tools before and after pruning to minimize the risk of transferring pathogens. Inspect the Thunbergia erecta for any dead or damaged stems or leaves. Removing these not only improves the aesthetic appeal of the plant but also reduces the likelihood of pest infestations and diseases. Cut these tissues back to a healthy and robust section of the plant. More About Pruning Techniques→

How to Propagate Bush clockvine plant?

Propagate Time: Late spring, Early summer

Select healthy, green stems from the plant. Ensure each cutting is 4 to 6 inches long and has a few leaves. Cut just below a node to maximize rooting potential.

Remove any leaves from the lower part of the cutting. Dip the cut end into rooting hormone to promote root growth and prevent rot.

Insert the cutting into a pot filled with well-draining potting mix. Ensure the cuttings are stable and water thoroughly to settle the soil around them.

More About Propagating Techniques→

How to Repot Bush clockvine plant?

Repotting frequency: Every 1-2 years

Thunbergia erecta shows signs of needing repotting when its roots start to grow through the drainage holes or when the soil dries out quickly after watering. The optimal time to repot is during the active growing seasons like spring and summer, as this helps reduce stress and promote quicker recovery.

Select a pot that is one size larger with sufficient drainage holes. This ensures good air circulation and prevents waterlogging, which is crucial for maintaining healthy root development. A pot that's too large can retain excess moisture, which may lead to root rot.

A well-draining potting mix with perlite or sand ensures excess water doesn't accumulate at the base. A mix that imitates its natural environment promotes optimal growth conditions, providing support, nutrition, and breathing space for the roots.