Protect the buds with mulch or burlap during the winter. Hydrangeas are a garden’s true showstoppers. · hydrangeas are perennial shrubs that come back every year, but some are not cold-tolerant and need winter protection. This greatly depends on the hardiness zone, including climate and location, of the area where the hydrangea will be grown. · hydrangeas are perennial only in the right climate and if theyre properly overwintered. Choose cold-hardy varieties, and plant them in moist, well-draining soil. · as for landscaping hydrangea shrubs, these can be perennials. However, some hydrangeas can be grown as an annual plant. Should a hydrangea be an annual? When do hydrangeas bloom? Hydrangeas are a wide group of plants that have over 75 species. — yes , hydrangeas are perennial plants in most climates. · so, to answer the central question— hydrangea is it a perennial? · hydrangeas are woody perennials that can live for up to fifty years if well cared for. Learn how to grow hydrangeas in different hardiness zones, containers, and as annuals if needed. Are hydrangeas perennials? Learn how to keep your hydrangeas alive indoors or outdoors, and how to trigger blooming in different varieties. However, whether they come back every year depends on the hardiness of the hydrangea, which varies between hydrangea species and varieties. With proper selection, care, and maintenance, they can become long-lived stars in your landscape. Most hydrangeas, no matter the variety, are considered to be perennial plants. They are deciduous perennial shrubs and vines. Do hydrangeas come back every year? Hydrangeas are considered perennials , which means they come back every year once planted if the plant is not beat down too much by the winter months. · the answer is… hydrangeas are perennials.