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Varieties of Red Crape Myrtle

Crape myrtles (Lagerstromemia) that generate red flowers when they bloom are available for your landscaping jobs. According to the United States National Arboretum, crape myrtles flower "most heavily" when you locate them in the sun. Since crape myrtles are not cold-hardy, the coldest U.S. Department of Agriculture plant hardiness zone you can utilize them in with few worries is zone 6.
  1. USDA Zone 6

    • In USDA zone 6, plant Lagerstroemia indica "Watermelon Red" for a shrub that produces red flowers. Its green leaves have a hint of bronze coloring in springtime, notes the Missouri Botanical garden, and the foliage turns yellowish-orange in autumn. Exfoliating bark, a trait of most crape myrtle varieties, is a feature on this shrub, which grows to 10 feet and blooms during the summer. Tonto, featuring fuchsia-colored flowers, grows smaller in zone 6 than it would in the Deep South. Maroon fall foliage and beige/cream-colored bark are aspects of this crape myrtle form.

    USDA Zone 7

    • Use Country Red in shrub borders or as a specimen plant in USDA zone 7, where it has few problems surviving the winter. Country Red is a cultivar dating back to the 1950s, known for red flowers from July into September. This form of crape myrtle grows between 4 and 10 feet tall. Houston is a small weeping-type of crape myrtle, between 12 and 24 inches high. Suited for rock gardens and foundations, Houston has red flowers, dense branches and dark green leaves.

    USDA Zone 8

    • Victor grows to 6 feet in USDA zone 8, producing dark red flowers all summer long. Victor has peeling red-brown bark and its foliage changes to hues of red-yellow during the fall. Victor serves as a hedge or screen as well as a specimen shrub. For bright red flowers, consider Baton Rouge. This variety of crape myrtle grows to 3 feet high and is appropriate as a container plant for use on your patio in zone 8.

    USDA Zones 9 and 10

    • USDA zone 10 is a bit too hot and sticky for most forms of crape myrtles with red flowers, but Gamad thrives there, generating cherry-red blooms. Gamad has a somewhat shorter blooming period, beginning in July and ending in August. In zone 9, the Whit II form of crape myrtle grows as large as 20 feet, making it a potential choice for planting along streets and driveways. Whit II has creamy-red blossoms and its foliage goes from reddish when it opens, to green and finally to orange and red by autumn.