when does rose of sharon bloom

Rose of Sharon typically blooms from midsummer through fall until the first frost. The blooming period generally starts in July and continues into the fall. The exact timing can vary depending on the variety and growing conditions. Some varieties bloom for weeks, while long-blooming types can flower for months. For best flowering, Rose of Sharon plants need full sun to partial shade and thrive in USDA zones 5-9. The flowers usually appear on new growth each year, so pruning is best done in late winter or early spring while the plant is dormant.