The Cathedral Bell oris an outstanding example of the small group of plants which are grown as climbers. It may survive the winter in mild districts but the usual practice is to discard the plants in late autumn. Cobaea grows rapidly, climbing by means of tendrils and bearing bell-like . These blooms are green at first, later turning purple.
VARIETIES: There is one species – C. scandens. The prominent flowers are about 3 in. long and are borne throughout the summer. Cobaea is sometimes flower shy – make sure that the plants are properly hardened off before planting out, watered freely in dry weather and not overfed. A few catalogues list a yellowish green variety (C. scandens alba).
SITE AND SOIL: Any well-drained garden soil will do – thrives best in full sun.
PLANT DETAILS: Height 10 ft.
Spacing: 2 ft.
Flowering period: July-October.
PROPAGATION: Follow the Half Hardy Annual technique,the edge-wise. Plant out when the danger of frost is past.