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Blooming Shrubs for the Houston Area

Houston, Texas, is within U.S. Department of Agriculture plant hardiness zone 9a, meaning the lowest temperatures during winter are in the range of 20 degrees Fahrenheit. Blooming shrubs suitable for Houston need to withstand heat and humidity rather than cold.
  1. Types

    • No shortage of blooming shrub options exist for Houston, with species such as hydrangea, crape myrtle, sumacs and shrub rose all capable of thriving there. Many shrubs possess multiple cultivars, giving the landscaper choices as to size and flower color for a particular species. For example, big leaf hydrangea has cultivars that produce white, pink, red and blue flowers, according to the Missouri Botanical Garden.

    Size

    • Many smaller blooming shrubs such as bluebeard and Japanese quince hybrids, including Pygmaeus, are appropriate as ground cover and for shrub borders in Houston. Larger species, such as Chickasaw plum, work to form hedges, screens and groves in naturalized areas.

    Time Frame

    • Certain blooming shrubs can flower late into summer and into autumn in Houston, giving the property owner colorful accents to her landscape. Among the late bloomers or those that repeatedly bloom are species such as butterfly bushes, hybrid tea roses and shrub roses.