Balloon-vine was originally indigenous to the Bermudas, Florida and Texas. Nowadays it grows extensively in India, Africa and South America, Mediterranean. It is regarded as a rampaging weed here. Balloon-vine is cultivated in Switzerland and in southern Germany in wine-growing regions. It is not a hardy plant. Is likely to be cut down by frost, if so pull and compost. May overwinter in very mild areas.
Lately it became popular across the world as the annual or perennial, growing up to 2,50 m, and fast covering fences and pergolas. Flowers from July to the frost.
The plant is easy to grow. Prefers any moist, well-drained soil in full sun. Will require a structure on which to climb.
Genus - Cardiospermum
Species - Halicacabum
Common name - Balloon Vine
Pre-Treatment - Not-required
Hardiness zones - 4 - 10
Height - 2,50 m
Spread - 0,50 m
Plant type - Annual, Perennial climber
Exposure - Full Sun, Partial Sun
Growth rate - Fast
Soil PH - Acid, neutral, alkaline
Soil type - Clay, Sand, Loam
Water requirements - Average
Landscape uses - Climber, decorative seeds
Bloom season - July - Ocotber
Sow indoors from February to April or till June outside.
Sow indoors 10mm deep into moist, well-drained seed compost. Cover with glass or clear plastic.
Ideal temp. +18-20C.
Germination takes ~21-30 days.
Transplant seedlings when large enough to handle to 8cm pots and grow on.
Acclimatise and plant out after danger of frost has passed.
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