Showy Balloonvine

Cardiospermum grandiflorum

Native to:
Angola, Argentina, Belize, Benin, Bolivia, Botswana, Brazil, Cabinda, Cameroon, Central African Republic, Colombia, Congo, Costa Rica, DR Congo, El Salvador, Eswatini, Ghana, Guatemala, Guinea, Guyana, Honduras, Ivory Coast, Jamaica, Kenya, Liberia, Malawi, Mexico, Namibia, Nicaragua, Nigeria, Panamá, Paraguay, Peru, Sierra Leone, South Africa, Sudan-South Sudan, Tanzania, Togo, Uganda, Uruguay, Zambia, Zimbabwe

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Sapindaceae
Genus:
Cardiospermum
Species:
Cardiospermum grandiflorum
USDA Symbol:
CAGR13

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Vine
Height:
1000 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug,sep,oct
Bloom Colors:
white

Wildlife Benefits

Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Silver-banded hairstreak (Chlorostrymon simaethis)

Garden & Ecology Notes

Wildlife Value:
birds, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers nutrient-rich soils in native habitats

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Scarification improves germination rates. Seeds germinate readily in warm conditions.

The above propagation data sourced from Claude AI