Growing a Calamondin Orange Bonsai Indoors

What Is a Calamondin Orange?

Citrus × microcarpa (syn. Citrus mitis), the calamondin, is a small, ornamental citrus with fragrant flowers and tart, kumquat-like fruit. It's popular for bonsai due to its naturally compact size.

Indoor Care Essentials

• Light: Bright, direct sun for 4+ hours daily (south/west window).
• Temperature: Above 55°F (13°C); hardy to 20°F but grows poorly below 55°F.
• Water: Let top inch dry between thorough waterings. Never let sit in water.
• Soil: Well-draining, slightly acidic mix (citrus or cactus blend).
• Fertilizer: Citrus fertilizer monthly at half strength during growing season.
• Pruning: Regular trimming maintains bonsai shape; root prune during repotting.

Fun Uses for the Fruit

The juice relieves insect bites, lightens freckles, and can be used as a cough remedy or laxative (diluted).

Getting Started

Join bonsai forums for technique guidance. With patience, a calamondin makes a rewarding, fragrant indoor tree.