Purple azalea bush is a evergreen shrub that is part of the heath family. It can grow to be about 6 feet tall and 8 feet wide. The flowers are purple and bloom in the spring.
Related plant:
Leycesteria Formosa Purple Rain
Related plant:
Purple Bush Plant
About soil condition, the purple azalea bush needs well-drained, acidic soil to remain healthy and achieve its potential for growth and flowering. The root system of the plant is shallow, so it is important to improve the soil before planting and to maintain moist conditions during the growing season.
Like the other azalea bushes, purple azalea bushes need plenty of sunlight to thrive. They should be planted in an area that gets at least six hours of direct sunlight each day. If you live in a colder climate, you may need to provide your azalea bush with some extra protection from the cold weather.
The temperature condition for a purple azalea bush is cool and moist. The bush should be in a location where it will receive direct sunlight for at least six hours per day, and the soil should be kept moist but not soggy.
Ideal humidity condition for this plant is around 50%. The plant does not like to be too wet or too dry. If the leaves start to turn brown and fall off, it is a sign that the plant is not getting enough humidity.
For the fertilizer, this type of plant does best with a 10-10-10 fertilizer applied three times a year: once in early spring, once in late spring, and once in early summer. For the root, a good rule of thumb is to keep the roots moist but not soggy.
Pruning your purple azalea bush is an important step in keeping your bush healthy and looking its best. Azaleas are best pruned in late winter or early spring, before new growth begins. To prune, first remove any dead, diseased, or damaged branches. Next, thin out the bush by removing any branches that are crossing or rubbing against each other. Finally, cut back any overly long branches. When pruning, be sure to make clean cuts at a 45-degree angle.
Propagation is typically done through rooting stem cuttings taken from the desired plant. The cutting should be taken from new growth that is still soft and flexible. Cut the stem at a 45-degree angle just below a node (the area where the leaves are attached). Remove the leaves from the bottom half of the cutting, and dip the cut end of the stem in rooting hormone. Plant the stem cutting in a pot filled with moistened potting mix, and cover the pot with a plastic bag to create a humid environment. Keep the cutting moist and warm, and in a few weeks, you should see new growth.
Usually, the plant growth rate is determined by the cultivar planted. The plant's height and spread at maturity are also important considerations when determining the appropriate growth rate. Some purple azalea bush cultivars can grow 6 to 12 inches per year, while others may only grow 1 to 2 inches per year.
Common problems for this kind of plant are over watering, under watering, pests, and diseases. overwatering can lead to the plant to not being able to absorb the water and the roots will start to rot. Under watering can make the leaves to dry out and fall off. Pests such as aphids, whiteflies, and mealybugs can infest the plant and cause the leaves to turn yellow and drop off. Diseases such as powdery mildew, root rot, and leaf spot can also affect the plant.
Source:
Azalea - uaex.uada.edu
Gumpo Azalea
Selecting and Growing Azaleas | UGA Cooperative Extension