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Dynamite CrapemyrtleLagerstroemia indica 'Whit II'<

  • Dynamite Crapemyrtle shrub - Lagerstroemia indica Whit II P.P.# 10296
The crapemyrtle is often referred to as the "lilac of the South." But with new cold-hardy cultivars, more areas of the country can now enjoy their brilliant color and year-round beauty. This stunning tree is renowned for its showy flowers, beautiful bark, fast growth, and tolerance of soil conditions. The petals are wrinkled like crepe paper, adding to the appeal of this popular tree.

The dynamite variety is the first true red tree form crapemyrtle, producing cherry red flowers even in full sun and hot conditions.

Hardiness Zones

The dynamite crapemyrtle can be expected to grow in Hardiness Zones 6–9. View Map

Tree Type

Mature Size

The dynamite crapemyrtle grows to a height of 10–15' and a spread of 12–20' at maturity.

Growth Speed Medium Growth Rate

This shrub grows at a medium rate, with height increases of 13–24" per year.

Sun Preference

Full sun is the ideal condition for this shrub, meaning it should get at least 6 hours of direct, unfiltered sunlight each day.

Soil Preference

The dynamite crapemyrtle grows in a wide range of moist, well-drained soils. It has both drought and mildew resistance.


This shrub:
  • Grows in a rounded shape.
  • Produces cherry red flowers that have wrinkled petals similar to crepe paper in April and May.
  • Works well as a specimen plant or as part of a mixed border.
  • Features leaves that emerge crimson then mature to a dark green, becoming moderately leathery.
  • Has drought and mildew resistance.

Wildlife Value

This shrub attracts bees and provides bird habitat.


Thanks to his work with crapemyrtle breeding for most of his professional life, Dr. Carl Witcomb -- researcher, author, and professor at the University of Florida and Oklahoma State University for 20 years -- has patented cultivars that are hardy in Zone 6. The dynamite crapemyrtle is one example.