Balloon vine (Cardiospermum halicacabum)
The balloon vine, also known as Cardiospermum halicacabum, is a fascinating climbing plant from the soapberry family. With its heart-shaped leaves and characteristic balloon-like fruits, it not only enhances gardens but also symbolizes natural beauty and romance.

Cultivation and care
Balloon vines are best sown in a greenhouse between February and March. The seeds should be pre-soaked in water for about 24 hours before sowing to promote germination. Germination occurs at a temperature of 22-27°C and takes about three weeks. The young plants should be planted out in the garden starting in mid-May. Balloon vines prefer undemanding, well-drained soil and a sunny to partially shaded location. Regular fertilization with compost promotes healthy growth.
Possible uses
cut flower: The delicate tendrils of the balloon vine are ideal as cut flowers in bouquets.
Medical applications: In some cultures, balloon vine is used in traditional medicine for its anti-inflammatory properties, particularly for skin conditions such as eczema. Extracts of the plant are often used in ointment form.
Insect-friendly: The flowers of the balloon vine are a food source for various insect species, making it a valuable addition to insect-friendly gardens.

Balloon vine - Cardiospermum halicacabum
Discover the elegant beauty of Cardiospermum halicacabum, also known as balloon vine or heart vine. The vines boast heart-shaped leaves and delicate, air-filled fruits that add a romantic touch to any floral arrangement. These fast-growing climbers are not only eye-catching in the garden but also symbolize love and natural beauty. Add a touch of grace to your bouquets with balloon vines.
Details:
Sowing in the greenhouse: February to March
Germination time: approx. 3 weeks at 22-27°C
Sowing depth: 1-2 cm
Height: 2-3 meters
Planting distance: 60 cm
Flower size: 1 cm
Flowering time: July to September
Soil: Undemanding, permeable soil
Fertilization: With compost
Location: Sun/partial shade/leeward
Water consumption: Moderately dry to humid
Growing tips:
For optimal germination, the seeds should be soaked in water for up to 24 hours in February/March. The young plants can be planted out in the garden from mid-May.
Use:
cut flower
Medical applications
Insect-friendly
Bag contents:
Approx. 10 seeds
Store in a cool, dry place.
Other interesting aspects
The balloon vine is a fast-growing plant that can climb up to 3 meters tall. Its small, inconspicuous flowers develop in summer into characteristic balloon-shaped fruits, each containing three seeds. Each seed is marked by a white, heart-shaped spot, giving the plant its name, "heart seed."
In Europe, the balloon vine is cultivated primarily as an ornamental plant, while in other parts of the world it is often valued as a medicinal plant. Its ability to quickly cover trellises or fences makes it a popular choice for vertical gardens and decorative trellises.