Super Swiss Giant Pansy Seeds (Mixed Colours). Gracefully waved petals, long stems and rich tones combine to make this strain of pansy a beauty. Extra large blooms have a thick, velvety texture with smiling faces or artistic brown blotches. Plants have an average garden height of 20 cm (8"). When planted in the garden, water regularly and mulch the soil around the plants to help extend the blooming period well into hot summer weather.