Vibrant: Due to their sweet honey fragrance, look out for bees, butterflies and other pollinating wildlife visiting your garden. Plants and flowers: Get a Buddleia tricolour butterfly bush. Water and maintenance: These bushes are known to be a generally low maintenance shrub. The tricolour requires frequent watering for the first couple of weeks after planting, and then just average watering from then. Season of interest: Each coloured bloom will last for several weeks boosting vibrancy in our garden through July to September. Height and spread: If left unpruned, the potential height can be 1 - 1.5m and spread of 0.75 - 1m. Buddleia Tricolour Butterfly Bush | Living Social