Ballon Vine
Cardiospermum grandiflorum
NEMBA category
English: Heart Pea, Heart Seed,
Afrikaans: Blaasklimop, Opblaasboontjie
Zulu: intandela, uzipho
A highly invasive perennial climber, Balloon Vine aggressively spreads through landscapes by draping itself over trees and structures, reaching 2-5 meters or higher. Its bristly-haired stems and bright green, serrated leaves enable rapid colonisation.
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Origins: South America (Brazil, Argentina)
Overall Appearance:
Cardiospermum grandiflorum is a vigorous, climbing vine that can reach lengths of 10 meters or more.
Leaves:
Leaves are compound, consisting of three leaflets arranged in groups of three. Leaflets are oval-shaped with toothed margins.
Flowers:
Small, white flowers are borne in clusters.
Flowering Season:
Flowers are produced throughout the year, but most abundantly during spring and summer.
Fruits:
Distinctive, inflated, papery capsules that resemble small balloons.
Seeds:
Black seeds with a white, heart-shaped spot.
Soil Type:
Adaptable to a wide range of soil types, including moist, fertile soils.
Aspect:
Prefers full sun to partial shade.
Problem Provinces:
Widespread throughout South Africa, particularly in coastal regions, along riverbanks, and in forests.
Note:
Cardiospermum grandiflorum is a highly invasive species in South Africa.
It forms dense thickets that smother and kill native vegetation, reducing biodiversity and impacting ecosystem function.
It can also damage infrastructure by climbing over fences and buildings.
Control measures, such as manual removal, herbicide application, and the introduction of biological control agents, are often necessary to manage infestations.
Friendly alternatives:
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