Rhs perfect for pollinators wildlife friendly this variety is part of the rhs perfect for pollinators list meaning they are perfect for attracting bees and other pollinating insects to your gardena spectacular variety of sweet william which is hardy in an average winter season and is heat cold and rain resistant vesuvio is perfect for creating an explosion of colour in your beds borders and patio pots with striking blooms in a spectacular mix of pinks reds purples and white sweet willia