Lesser Balloon Vine - Care Sheet

Cardiospermum halicacabum
Updated 2025-11-09 16:49 UTC

Overview

The Lesser Balloon Vine, scientifically known as Cardiospermum halicacabum, is a delightful climbing plant known for its unique balloon-like seed pods and vibrant green foliage. This hardy vine thrives in a variety of conditions, making it a fantastic choice for both novice and experienced gardeners. With its ability to attract pollinators and provide lush greenery, it can be a charming addition to your home or garden.

Quick Facts

Scientific name Cardiospermum halicacabum
Common name Lesser Balloon Vine
Difficulty Beginner
Pet-safe? Yes
Light 6–8 hours of indirect sunlight
Water Moderate, allow soil to dry slightly
Humidity 40–60%
Temperature 18–29°C / 65–85°F
Soil Well-draining, fertile soil with pH 6.0–7.0
Fertilizer Balanced liquid fertilizer every 4–6 weeks
Repotting Every 1–2 years, as needed
Propagation Seeds or stem cuttings

Light

The Lesser Balloon Vine prefers bright, indirect sunlight for about 6–8 hours a day. While it can tolerate some direct sunlight, especially in the morning, too much harsh light can scorch its leaves. If grown indoors, a south or east-facing window is ideal to ensure it receives sufficient light.

Water

Water your Lesser Balloon Vine moderately. It’s best to allow the top inch of soil to dry out before watering again. Overwatering can lead to root rot, so ensure that your pot has adequate drainage. During the growing season (spring and summer), you may need to water more frequently, while in the dormant months (fall and winter), reduce watering.

Humidity

This plant thrives in moderate humidity levels of around 40–60%. If you live in a dry climate or have your plant indoors, consider increasing humidity by misting the leaves, placing a humidifier nearby, or using a pebble tray filled with water.

Temperature

The ideal temperature range for the Lesser Balloon Vine is between 18–29°C (65–85°F). It is important to keep the plant away from cold drafts and sudden temperature fluctuations, which can stress the plant and hinder its growth.

Soil & Potting

Use a well-draining, fertile soil mix to encourage healthy root growth. A mix of potting soil with perlite or sand works well. The soil pH should ideally be between 6.0 and 7.0. When repotting, choose a pot that is one size larger than the current one, ensuring it has drainage holes to prevent waterlogging.

Feeding

Fertilize your Lesser Balloon Vine with a balanced liquid fertilizer every 4–6 weeks during the growing season. In the fall and winter, you can reduce or halt feeding as the plant enters a dormant phase.

Repotting

Repot your Lesser Balloon Vine every 1–2 years, or when you notice that it has outgrown its pot. Signs that it needs repotting include roots growing out of the drainage holes or water not soaking into the soil. Choose a slightly larger pot to give the roots room to grow.

Propagation

This plant can be propagated through seeds or stem cuttings. For seeds, sow them in spring after the last frost. If using stem cuttings, take a healthy cutting with a few leaves and place it in water or directly in soil until roots develop.

Common Problems

Yellowing Leaves

Yellowing leaves can indicate overwatering or poor drainage. Ensure you’re allowing the soil to dry out between waterings and that your pot has good drainage.

Wilting

Wilting can be a sign of underwatering or extreme temperatures. Check the soil moisture and adjust your watering schedule as needed.

Pest Infestations

Common pests include aphids and spider mites. Regularly inspect your plant and treat infestations with insecticidal soap or neem oil as necessary.

Toxicity & Pet Safety

The Lesser Balloon Vine is considered pet-safe. However, while it is generally non-toxic, it's always best to keep plants out of reach of pets to avoid any potential issues with chewing or ingestion.

Seasonal Care

During the spring and summer, focus on providing ample light, regular watering, and feeding to support growth. In the fall, reduce watering as the plant enters dormancy and minimize fertilizer application. In winter, keep the plant in a warmer spot and avoid cold drafts.

Quick Tips


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