Prunus lusitanica is a deciduous tree native to the Iberian Peninsula and northwest Africa. It typically grows to 1525 m (4982 ft) tall and is widely cultivated as an ornamental tree in parks and gardens. The leaves are ovate-lanceolate, 612 cm (24 in) long and 37 cm (13 in) wide, with a finely serrated margin. The flowers are white, 57 cm (23 in) diameter, with five petals. The fruit is a black drupe, 58 mm (0.20.3 in) diameter.
Related plant:
Prunus Serrulata Kanzan
Related plant:
Prunus Serrulata
About soil condition, prunus lusitanica prefers well-drained soil with a high organic content. It is also important to make sure the soil is not too alkaline or acidic. If you are unsure about your soil's pH, you can have it tested by your local Cooperative Extension office.
Similar to other members of the Prunus genus, the prunus lusitanica tree enjoys full sun and well-drained soil. It is a moderate to fast grower, and can reach a height of 15-25 feet. This makes it a great choice for use as a privacy screen or wind break. The prunus lusitanica is also fairly drought tolerant once established, making it a low-maintenance tree for homeowners.
The temperature condition of prunus lusitanica is quite temperature-sensitive. The trees do best in a warm climate, and can tolerate a minimum temperature of about 15 degrees Fahrenheit. They can also withstand temperatures as high as 100 degrees Fahrenheit. In a cold climate, however, the trees may experience damage to their leaves and flowers.
Ideal humidity condition for this plant is around 50%, meaning neither too wet nor too dry. The air should also be circulated well to prevent the growth of mold. When the plant is too dry, the leaves will start to droop and the flowers will wilt. If the plant is too wet, the leaves will start to yellow and the flowers will fall off.
Mentioning fertilizer, this family of plant need a lot of it, preferably organic matter. The Portuguese cherry (Prunus lusitanica) is a fertilizer-hungry plant that will do best with a yearly application of compost or manure. Be sure to work it into the root system well.
Pruning is a vital part of keeping your prunus lusitanica looking its best. Pruning not only keeps the plant healthy, but can also encourage new growth and flower production. When pruning, be sure to remove any dead, diseased, or damaged branches. Also, prune any branches that are rubbing against each other.
Propagation of Prunus lusitanica is typically through rooting hardwood or softwood cuttings. Hardwood cuttings are taken from December to February, while softwood cuttings are taken from June to August. The cuttings should be taken from young, healthy shoots that are about 10-15 cm long. Cuttings should be taken from the middle of the shoot, just below a node.
Usually, the plant growth rate during the spring and summer months. However, some species may grow during the fall and winter as well. The best time to plant prunus lusitanica is in the spring or summer.
Common problems for this kind of plant are rooted in its cultural requirements. This species needs full sun and well-drained soil to perform well. Additionally, it is important to not let the soil around prunus lusitanica dry out completely. These problems can be avoided by proper care and attention to the plant.
Source:
SelecTree: A Tree Selection Guide - Cal Poly
Prunus lusitanica, Portuguese laurel | Trees of Stanford & Environs
Prunus lusitanica (Portugal Laurel) - American University of Beirut