"The Petunia Supertunia « Double Purple, 'Petunia hybrids', are wonderfully fragrant and their huge flowers and a vigorous trailing habit that turn hanging baskets and decorative urns into garden masterpieces. The Double Purple has beautiful purple flowers. Supertunias are a vigorously trailing species of an everblooming, long-living petunia from Australia. They do not need to have their dead flower heads removed to continue flowering and they are not leggy. For zones 9-11, this plant can also be a perennial."