Laurus is a plant genus comprising just 3 tree species that are native to the Mediterranean region. One species that is particularly popular among gardeners and landscapers is Laurus nobilis. This evergreen tree is commonly known as the bay laurel. It grows 40 feet in height and spreads about 30 feet. Its foliage consists of glossy, dark green leaves, which serve as the backdrop for fragrant clusters of star-shaped, yellow flowers. Its pyramidal form makes it an ideal shade tree. It can also be used as a topiary tree.
There are several things to consider when planting and growing the bay laurel. The condition of the soil, the climate, and certain pests or diseases can affect the health of Laurus nobilis.
Climate
This shrub thrives in hardiness zones 7 to 10. It grows better in partial shade than in direct sunlight. This is a cool to warm climate tree. They are moderately frost hardy, but should be planted in a sheltered position.
Soil Conditions
Plant the bay laurel in rich, well-drained soil. Poorly draining soil will lead to root rot, which is a condition that deteriorates the structure and function of the plants root system. It is a good idea to add mulch to protect it from the elements.
Watering and Fertilizers
This tree is accustomed to moist soil conditions in its native habitat. It is recommended to water this tree when the soil dries. Fertilizers aren’t required for this tree.
Propagation
The best way to propagate this plant is by sowing seeds. The best time to sow seeds is during the fall. Another option is to take stem cuttings during the summer.
Pests and Diseases
There aren’t any insects or microorganisms which are common to this plant species.
Reference:
Laurus nobilis – Floridata
Laurus nobilis – UConn Ecology & Evolutionary Biology