Bixa arborea prefers consistently moist soil but dislikes waterlogged conditions. Water deeply when the top 2-3 cm of soil feels dry to the touch. Reduce watering slightly during cooler, dormant periods.

Ensure good drainage to prevent root rot, especially in containers.

Prune Bixa arborea to maintain desired shape and size, and to remove any dead, damaged, or crossing branches.

Light pruning can be done year-round, but heavier pruning is best done in late winter or early spring before new growth begins. This encourages bushier growth.

Propagate Bixa arborea from seeds, which should be sown fresh after collection. Scarification or soaking the seeds in warm water for 24 hours can improve germination rates.

Stem cuttings can also be taken from semi-hardwood in summer, treated with rooting hormone, and placed in a moist medium.

Young plants of Bixa arborea may need repotting annually in spring, while mature plants can be repotted every 2-3 years or when root-bound. Use a well-draining potting mix.

Choose a pot one size larger than the current one. Water thoroughly after repotting to settle the soil.