Roseum elegans rhododendron is an evergreen shrub that is native to the himalayan mountains. it is a popular plant for gardens and landscaping due to its beautiful flowers. the flowers can be white, pink, or red and have a sweet fragrance.
Related plant:
Viburnum Roseum
About soil condition, roseum elegans rhododendron prefers humus-rich, acidic soil that is moist but well-drained. It will tolerate a range of soil types as long as the drainage is good. The plant is quite tolerant of shade, although it flowers best in full sun.
So, like the other Rhododendrons, roseum elegans rhododendron requires a lot of sun light. However, it can also tolerate some shade, especially during the hot summer months. If you live in an area with hot summers, you may want to provide some afternoon shade for your plant.
The temperature condition that is best for the growth of the roseum elegans rhododendron is between 60 and 70 degrees Fahrenheit. This plant is native to the Himalayan region and thrives in cooler climates. When grown in warmer climates, the roseum elegans rhododendron may experience leaf drop and reduced flowering.
Ideal humidity condition for this plant is 50% and above. Plant will suffer if the humidity drops below this mark, leaves will show brown tips and edges. If the condition persists, it will cause the leaves to drop off.
The fertilizer, usually the plant food, that you use for your roseum elegans rhododendron, should be a balanced 10-10-10 fertilizer with trace minerals. You can find this type of fertilizer at most garden stores. Fertilize your rhododendron every six weeks during the growing season, April through September. Apply the fertilizer around the base of the plant, being careful not to get any on the leaves. Water the plant after applying the fertilizer.
Pruning is an important part of keeping your roseum elegans rhododendron healthy and looking its best. Pruning helps to encourage new growth, remove dead or diseased branches, and shaping the plant. When pruning, be sure to use sharp, clean pruning shears and cut at a 45-degree angle just above a bud or node.
Propagation of roseum elegans rhododendron is typically done through rooting stem cuttings. Cuttings should be taken from new growth that is approximately 6-8 inches long. The cutting should be taken just below a set of leaves and the bottom leaves should be removed. The cutting should then be placed in a well-draining potting mix and kept moist. Rooting typically occurs within 4-8 weeks.
Usually, the plant growth rate is rather slow, taking several years to reach its full potential size. When mature, these plants can grow up to 10 feet (3 meters) in height and spread up to 6 feet (1.8 meters) wide. They prefer full sun to partial shade and do best in moist, acidic soils.
Common problems for this kind of plant are powdery mildew and root rot. Powdery mildew is a white or grayish powdery substance that appears on the leaves and stems of the plant. Root rot is a condition where the roots of the plant are decaying.
Source:
Rhododendron catawbiense 'Roseum Elegans' habit: UIPLANTS
Rhododendrons: Spring color in shady areas - University of Missouri
Rhododendron maximum - North Carolina State University