Water thoroughly when the top 2-3 cm of soil feels dry. Allow excess water to drain away completely to prevent root rot. Reduce watering frequency during cooler months, but never let the soil become completely parched.

Consistent moisture is key for healthy growth and fruit production.

Prune in late winter or early spring before new growth begins. Remove dead, damaged, or crossing branches. Thin out the canopy to improve air circulation and light penetration.

Aim for an open, vase-like shape to encourage fruit production and overall plant health. Avoid heavy pruning.

Key limes are typically propagated by grafting or air-layering to ensure desirable fruit characteristics. Seeds can be planted, but they may not produce true-to-type fruit and take many years to mature.

Cuttings can be rooted, but it's often challenging for home gardeners.

Repot young trees every 1-2 years, and mature trees every 2-3 years, preferably in spring. Choose a pot that is slightly larger than the current one with good drainage.

Use a well-draining potting mix formulated for citrus or cacti. Avoid overpotting, which can lead to waterlogged soil.