Mr Fothergills - Pictorial Packet - Flower - Nasturtium Alaska Mixed - 25 Seeds. Attractive flowers & leaves. Easily grown, marbled foliage and hot coloured flowers. Excellent for patio tubs and borders. Height: 30cm/12in. Plant Class: Hardy Annual (HA). Habit: Dwarf, Bushy. Nasturtium - Alaska Mixed is an easy to grow variety featuring marbled foliage and hot coloured flowers, and is excellent for patio tubs and borders. Easily grown, marbled foliage and hot coloured flowers. Excellent for patio tubs and borders.