Cobaea - cup-and-saucer vine

Cobaea scandens

Cobaea is a climbing annual plant. In our conditions, we grow it as an annual, but in its homeland (South America, Mexico) it is a perennial plant reaching up to 20 meters in height. Here it grows 3-5 meters tall. It has pinnate leaves. It most commonly blooms in purple-violet. Flowers can also be red, blue, purple or white. Initially they have a greenish color and gradually develop their full color. It is suitable for use on pergolas, gazebos and fences, where it quickly creates a dense cover and visual screen.

How to Grow Cobaea

• Plants require a sunny location. The location should be sheltered from wind. If we pinch the plant, it will increase flower formation and become bushier. It requires abundant watering. Overwintering is inefficient in our conditions - it only overwinters in warm, heated greenhouses or conservatories.

• Sow seeds in February or March, shallowly, by pressing them into moist substrate. Use substrate suitable for sowing and propagation. Seeds will germinate at temperatures around 22-24°C in about three weeks. Plant mature seedlings in their final location at the end of May.

• It requires nutrient-rich and well-draining soil.

• Apply fertilizer every two weeks. Suitable options include fertilizer for flowers or foliage - for example Kristalon, Cererit.

• The plant may be attacked by aphids or powdery mildew. Treat with appropriate insecticides and fungicides.