OK
In progress indicator

Thunbergia alata (Black-eyed Susan)

Beginner
skill rating
1 hour care
per year
1.4m
Max height
0.6m
Max spread
1-2 years
To maturity

Plant details

Botanical name

Thunbergia alata

Other names

Black-eyed Susan

Genus

Thunbergia Thunbergia

Species

T. alata - T. alata is a climbing annual with mid-green heart shaped leaves. In summer, it produces bright orange, salver-shaped flowers with conspicuous dark centres, hence its common name.


Thunbergia alata is: Deciduous

Habit

Climbing, Twining

Flower

Orange in Summer

Foliage

Green in Summer; Green in Autumn

How to care

Watch out for

General care

Propagation methods

Seed


Sign up for your FREE ACCOUNT today or login to receive detailed monthly care instructions

Where to grow

Thunbergia alata (Black-eyed Susan) will reach a height of 1.4m and a spread of 0.6m after 1-2 years.

Suggested uses

Beds and borders, City, Conservatory, Containers, Cottage/Informal

Cultivation

Plant in free-draining soil in a sunny, sheltered position. Provide a means of support for climbing.

Soil type

Chalky, Clay, Loamy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Tender in frost (H3)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Thunbergia alata

Other names

Black-eyed Susan

Genus

Thunbergia Thunbergia

Species

T. alata - T. alata is a climbing annual with mid-green heart shaped leaves. In summer, it produces bright orange, salver-shaped flowers with conspicuous dark centres, hence its common name.

Foliage

Deciduous

Habit

Climbing, Twining


Colour

Flower

Orange in Summer

Foliage

Green in Summer; Green in Autumn

General care

Propagation methods

Seed


Monthly care advice


Where to grow

Thunbergia alata (Black-eyed Susan) will reach a height of 1.4m and a spread of 0.6m after 1-2 years.

Suggested uses

Beds and borders, City, Conservatory, Containers, Cottage/Informal

Cultivation

Plant in free-draining soil in a sunny, sheltered position. Provide a means of support for climbing.

Soil type

Chalky, Clay, Loamy

Soil drainage

Moist but well-drained, Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Tender in frost (H3)

In order to add a note on this plant, please add this plant to your plant lists.

In progress indicator
Full size image
In progress indicator
Caption

Caption

Cancel and close this form
In progress indicator
This plant likes... Garden match
Soil types: Chalky, Clay, Loamy Tell us...
Soil drainage: Moist but well-drained, Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Tender in frost (H3) Tell us...

DISCUSS THIS PLANT

Mildew on Thunbergia

My Thunbergia alata has developed mildew on some of its leaves. What is the best remedy for this? read more

There are 2 active discussions about Thunbergia alata (Black-eyed Susan)

View all discussions

GARDENS WITH THIS PLANT

Harlequin
Harlequin
Liz Holder
My Garden
My Garden
Robert Kay
My Garden
My Garden
Val Robson
My Garden
My Garden
alex
My Garden
My Garden
Norma Thain

Report content or feedback to Shoot

To add ? to your lists,
login to your account or subscribe.

Find out more about plant lists here

or Login


To check if this plant is suitable for your garden first login to your account or subscribe.

or Login

In progress indicator
Note

Note

You are adding a note to: ?

Cancel