Hydrangeas, those riotously glorious, spring and summer blooming popular border and ornamental shrub, are considered relatively easy to grow and care for. Even novice gardeners can experience success with cultivating the more than 23 species of Hydrangea available for commercial resale. However, one of the most common questions Hydrangea enthusiasts may find themselves asking is "Why won't my hydrangea bloom?" Planting and care practices directly impact even the healthiest Hydrangea's ability to produce its trademark bursts of blue, white, pink, and variegated blossoms that are so popular in fresh and dried flower arrangements as well as for lawn displays. Learn from Hydrangea care experts how to ensure that your Hydrangea will bloom at the proper time and to its full potential.
Under ideal planting and care conditions, a Hydrangea plant will bloom during the spring and summer season. Beyond this, different varietals of Hydrangea may bloom earlier or later in the year, so knowing what to expect from the specific varietal being installed can reduce frustration and enhance the plant's ability to effectively produce blossoms at the right time.
For best results when bloom season arrives, Hydrangeas should be installed in a location that receives enough light. Too much shade can prevent even a healthy Hydrangea plant from being able to produce blossoms. Pruning practices can also be a culprit in a Hydrangea plant's failure to bloom. Do not prune Hydrangea during the fall, winter, or spring, as this will remove next year's bloom buds along with foliage and branches. Prune only in the summer immediately after the bloom season has completed. Additionally, Hydrangeas that are exposed to overly cold weather may become damaged and will fail to bloom. For Hydrangeas planted in colder climates, a warm snap can produce early foliage that can be damaged by a return of cold, damaging its ability to bloom.