What Is a Grandiflora Rose?

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Roses remain one of the most popular blooming plants for both home growing and giving as gifts. Two general groups of roses include the bush-type and climbing roses. Bush roses come in several classifications with many different species and varieties. Hybrid tea roses and floribunda roses are the most common variety. The grandiflora possesses characteristics of both the hybrid and floribunda.

Characteristics

  • The grandiflora rose combines the characteristics of the floribunda and the hybrid tea rose. They grow to a height of 3 to 5 feet tall and produce five to seven blooms in a cluster on each stem shaped similar to a chandelier. Grandiflora roses bloom more frequently than the hybrids and require winter protection. They are more susceptible to insects and disease so they must be checked frequently for these problems.

Types

  • Some common types of grandiflora roses include the Camelot, with coral-pink flowers; the Queen Elizabeth, which produces medium pink blossoms; and the Arizona, with copper gold blooms. Another type of grandiflora is the Love, which has a red and white bicolor flower. There are fewer varieties of grandiflora roses than the hybrid tea and the floribundas.

Hardiness

  • The grandiflora rose is a tender rose and needs some preparation against winter weather. Most roses winter well and are hardy to a number of zones including the lower ones. When selecting grandiflora roses, or any other variety, check the hardiness zones listed. With the proper "bedding down" for the winter, most grandiflora varieties will come back the following year.

Winterization

  • Winterizing the grandiflora is an important factor in maintaining the rose plant from year to year. Mounding is accomplished by moving soil around and over the plant to a depth of about 8 to 12 inches before the first frost. The soil needs to be moist. Another winterizing method for protecting the grandiflora is mulching. Spread compost, leaves or other types of organic matter around the base of the rose and cover the entire plant. It is not recommended that straw or hay be used as these attract rodents.

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