Streptocarpus ‘Gwen’ is an RHS award-winning variety boasting large bunches of white blooms flushed with violet-blue in the lower half, which picks out the vein pattern to give intricate detail. Streptocarpus make great houseplants, with clusters of exotic-looking blooms produced for at least nine months of the year in an endless array of vibrant shades and colour combinations, rising above thick, wrinkled, furry green leaves. Height: 30cm (12in). Spread: 35cm (14in).