Crape myrtle shrub is a flowering plant that is native to Asia. The plant has been introduced to North America and Europe, where it is grown as an ornamental plant. The plant is a member of the family Lythraceae, which includes other species of plants such as the American linden (Tilia americana) and the European linden (Tilia cordata).
Related plant:
Crape Jasmine
Related plant:
Crape Myrtle
About soil condition, crape myrtle shrub grows well in a range of soil conditions from loamy to sandy, however it prefers soil that is slightly acidic. The shrub is also tolerant to drought conditions once it is established.
Not too different with other varieties of myrtle, the Crape Myrtle shrub requires full sun in order to thrive. If you live in an area with hot summers, this shrub is a great addition to your landscape. The Crape Myrtle will provide your yard with beautiful color and interest all season long.
The temperature condition that is ideal for growing a crap myrtle shrub is between 60 to 80 degrees Fahrenheit. This shrub prefers full sun and well-drained soil. When the temperatures start to become too hot, the leaves of the crap myrtle shrub will start to turn red. If the temperatures get too cold, the leaves will fall off the shrub.
Ideal humidity condition for this plant is 50%. If the humidity level drops below 30%, the leaves will start to curl and the plant will become stressed. If the humidity level gets too high, above 70%, the leaves will start to turn yellow and drop off.
Discussing fertilizer, this kind of plant food is very important to the health of your Crape Myrtle. The roots of the Crape Myrtle are very sensitive to changes in the soil, so it is important to keep a close eye on the levels of nutrients in the ground around your plant. A good rule of thumb is to fertilize your Crape Myrtle every six weeks during the growing season, using a fertilizer that contains a mix of nitrogen, phosphorus, and potassium.
Pruning is an important part of caring for a crapmyrtle shrub. It helps to keep the plant healthy and looking its best. When pruning, be sure to remove any dead or diseased branches. Also, trim back any branches that are growing too close to the center of the plant. This will help to keep the plant from becoming too crowded.
Propagation is by stem cuttings or by seed. To propagate by stem cuttings, take 6-8" cuttings from new growth in late spring or early summer. Dip the cuttings in rooting hormone and plant in a well-drained, sterile medium. Keep the cuttings moist but not wet and in bright, indirect light. They should root in 4-6 weeks. Once rooted, pot up the cuttings and grow on in bright light. To propagate by seed, sow seed in a well-drained, sterile medium in late spring or early summer. Keep the seedlings moist but not wet and in bright, indirect light. They should germinate in 4-6 weeks. Once germinated, pot up the seedlings and grow on in bright light.
Usually, the plant growth rate is considered to be fast. This is especially true when they are young and actively growing. Once they have reached a certain age, however, their growth rate will generally slow down somewhat. Nevertheless, they are still considered to be reasonably fast-growing shrubs in comparison to other plants.
Common problems for this kind of plant are scale, powdery mildew, sooty mold and aphids. These pests can cause the leaves to yellow and drop off the plant. The best way to control these pests is to use a horticultural oil or insecticidal soap.
Source:
Crape Myrtle | University of Redlands
Crape Myrtle - Lagerstroemia indica - PNW Plants
Crapemyrtle-The Perfect Texas Landscape Plant