Garden and meadow phlox are perfect for garden borders, since they grow quite wide and tall. [3] X Research source Low-growing phlox varieties are perfect to use as groundcover in shady areas, especially as many are mildew-resistant. You can also buy bare-root plants from a mail order company, but bare root plants are best planted in the spring.
Phlox grown in the shade often produce fewer flowers. They are also at increased risk for contracting a disease, so if you choose to plant phlox in the shade, look for a variety that is mildew-resistant.
Start when they are around 6 inches (15 cm) tall if you are growing a tall species of phlox. Shorter phlox species that you are not growing as ground cover can also be pruned when they are 4 to 6 inches (10 to 15 cm) tall.
Water your phlox early in the morning. Remove all mulch and plant debris during the autumn season to prevent fungus and rot.
