How Far Apart to Plant Petunias: Optimal Spacing for Thriving Blooms!
How Far Apart to Plant Petunias? Petunias should be spaced at least 12 inches apart when planted in full sunlight. However, milliflora petunias can be spaced as close as 4 to 6 inches. Spreading ground-cover types should be planted at least 1 1/2 feet apart. In containers, petunias should be planted closely together for a…