Cup and sauces vine Alba - Climbing Flowers. Best known by its common name ‘Cathedral bells’. Creamy-white bell-shaped flowers cimb to cover a wall or trellis. Initially a slow starter but grows quickly in sunny weather reaching up to 10 feet (3m) tall. Sow under glass or in frames from February. Plant out mid-May in open ground in a sunny position. Blooms from July to September.