how to grow petunia indoor
Place petunia plants in the container on the soil and water lightly prior to filling container with soil. Cover the base of the petunia plants with remaining soil, slightly packing to ensure the root system is not exposed to air. Place in a spot where the petunias can receive at least five hours of sunlight a day.Direct, full sun is best. Water as necessary.Petunias like soil that is moist to slightly dry. Deadhead by removing spent blooms as necessary to promote new buds and encourage continuous blooming. Feed once a month with a balanced liquid fertilizer (8-8-8 or 10-10-10).ater as necessary. Petunias like soil that is moist to slightly dry. Deadhead by removing spent blooms as necessary to promote new buds and encourage continuous blooming. Feed once a month with a balanced liquid fertilizer (8-8-8 or 10-10-10).