Water Olea lancea thoroughly when the top 5-10 cm of soil is dry. Allow soil to drain completely to prevent waterlogging, which can lead to root rot.

Reduce watering frequency during winter months, allowing the soil to dry out more between waterings. Ensure good drainage in pots.

Prune Olea lancea in late winter or early spring before new growth begins. Remove dead, diseased, or crossing branches to maintain shape and improve air circulation.

Light pruning can be done throughout the year to control size and shape. Avoid heavy pruning that removes too much foliage.

Propagate Olea lancea from semi-hardwood cuttings taken in late summer or early autumn. Dip cuttings in rooting hormone and plant in a well-draining medium. Keep moist and in a warm, humid environment.

Germination from seed is possible but often slow and may not produce true-to-type plants.

Repot Olea lancea every 2-3 years, or when root-bound, typically in early spring. Use a well-draining potting mix, such as a blend of loam, sand, and compost.

Choose a pot that is only slightly larger than the current one to avoid overwatering issues. Trim any circling roots.