Laurus nobilis

Mediterranean origins and history

Laurus nobilis is native around the Mediterranean and into adjacent regions, where it belongs to evergreen woodland and sheltered, relatively moist sites within a seasonally dry climate. It is the true culinary bay, distinct from cherry laurel, Prunus laurocerasus, and California bay, Umbellularia californica, despite overlapping common names.

Bay leaves have been used in Mediterranean cooking since antiquity. In classical Greek and Roman culture, laurel branches were also formed into wreaths associated with victory, honour, learning and poetic achievement. These culinary and symbolic histories helped spread the tree far beyond its native range. They apply specifically to correctly identified L. nobilis, not automatically to every unrelated plant called bay or laurel.

Care for woody plants in containers

• Settling outdoors: Acclimatise newly delivered foliage gradually to stronger sun, wind and cold. Soft growth from protected production can scorch even though established bay is an outdoor tree.
• Light: Grow in sun to partial shade. Good light supports dense branching and aromatic, sturdy leaves.
• Water: Soak container plants thoroughly, then drain. Avoid prolonged drought, but never leave the pot waterlogged through winter.
• Substrate and container: Use a fertile, well-drained mix and a stable pot that can carry the increasingly woody, top-heavy crown.
• Winter protection: The crown is hardy in many temperate climates, while roots in an exposed container freeze and dry more readily than roots in the ground. Protect the pot during severe cold and drying wind.
• Feeding: Apply balanced fertiliser through the growing season. Do not assume every yellow leaf indicates hunger if the root ball is remaining wet.
• Pruning and roots: Clip during active growth and leave enough foliage for recovery. Move established container plants into a larger pot, or carefully trim their roots, before the root ball becomes completely congested.

Evergreen shrub problems and solutions

• Curled thick yellow margins: This pattern is characteristic of bay sucker. Inspect the folded edges for insects or waxy deposits, remove badly affected tips and use a control labelled for the pest.
• Fixed bumps, stickiness or black coating: Scale insects produce honeydew, and sooty mould grows on that residue. Target the scale first; the black film can then be wiped from firm leaves.
• Crisp inward-curling leaves: Drought and drying wind are common causes. Check the full root ball and water deeply without leaving the container saturated.
• Black or brown spotting with wet soil: Waterlogging and root decline are more likely than hunger. Improve drainage and inspect roots before adding fertiliser.
• Scorch after winter: Damage concentrated on exposed sides usually follows frost or cold wind. Protect the container and wait for new growth before removing only clearly dead shoots.
• Powdery coating or spreading leaf spots: Thin dense growth, keep foliage drier and remove heavily affected leaves. If spotting continues to spread, identify the disease before choosing a labelled treatment.
• Hidden pests in topiary: Dense clipped crowns conceal scale, sucker damage and dead leaves. Open the canopy gently and inspect the interior rather than judging only the outer surface.

Laurus nobilis is toxic to cats and dogs

• Keep the leaves away from cats and dogs that may chew them.
• Their aromatic oils, including eugenol, can irritate a pet’s digestive tract, and a whole leaf may cause an obstruction.
• Contact a veterinarian if any part is swallowed or if vomiting, stomach pain or weakness develops.

Why is it called Laurus nobilis?

Laurus is the classical Latin name for laurel. The Latin epithet nobilis means noble, notable or renowned.

Carl Linnaeus established the genus Laurus in 1753 in Species Plantarum, page 369.

Carl Linnaeus first described Laurus nobilis in 1753 in Species Plantarum, page 369.