Create a buzz in the garden with petunia banoffee pie a drop dead gorgeous new petunia with dramatic coal black flowers and contrasting sunny yellow stripes this annual has bags of flower power the large blooms cover plants for months starting in june and continuing to the first frosts of autumn ideal in sun or partial shade this easy to grow floral beauty makes attractive mounds of foliage around 60cm high keep plants looking at their best by watering regularly pinching off fading flow