Anacardium excelsum prefers consistently moist soil but dislikes waterlogging. Water thoroughly when the top 2-3 cm of soil feels dry.

Reduce watering slightly during cooler, dormant periods, but never allow the soil to dry out completely. Ensure good drainage to prevent root rot.

Prune Anacardium excelsum to maintain desired shape and size, and to remove any dead, damaged, or crossing branches. This can be done in late winter or early spring before new growth begins.

Heavy pruning is generally not recommended, focus on formative pruning for structure.

Propagation is typically done by seeds, which require warm temperatures and consistent moisture to germinate. Cuttings are less common and can be challenging to root.

Sow seeds in a well-draining potting mix and maintain high humidity and warmth for successful germination.

Repot Anacardium excelsum every 2-3 years, or when it becomes root-bound, preferably in spring. Use a larger pot with fresh, well-draining potting mix. Handle the roots gently to avoid damage.

This allows for continued healthy growth and prevents stress on the plant.