The Petunia Supertunia � Double Dark Blue, 'Petunia hybrids', are wonderfully fragrant and their huge flowers and vigorous trailing habit turn hanging baskets and decorative urns into garden masterpieces. The Double Dark Blue has beautiful dark blue flowers. Supertunias are a vigorously trailing species of an everblooming, long-living petunia from Australia. They will provide long-term color in full sun areas throughout the season, and can grow nearly an inch a day. They are ideal for baskets, beds, balconies and combination plantings. Supertunias are very heat and drought tolerant once established in the ground or pot. They do not need to have their dead flower heads removed to continue flowering and they are not leggy. Supertunias grow fast and therefore need ample moisture and fertilzer.For zones 9-11, this plant can also be a perennial.

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