This is a good plant to shoo-away aphids, whitefly etc.

The Shoo-fly Plant (Nicandra physaloides), also known as the Apple of Peru, is an annual plant native to Peru. It is the only species in the genus Nicandra. They are known for their property of repelling insects.

Plants grow to 1 metre tall and are vigorous with spreading branches and ovate, mid-green, toothed and waved leaves. The flowers are bell-shaped and 5 cm or more across, they are pale violet with white throats, and are produced from July to September. The flower will become lantern like towards the end of its time, it is a hardy annual that means it will last one season from seed to seed