Creating a mini galangal garden in an outdoor plant box is a rewarding way to grow this aromatic rhizome, even in limited spaces. Galangal, a tropical plant related to ginger, thrives in warm, humid conditions and can be easily cultivated in containers. Here’s how to get started:

1. Choose the Right Plant Box: Select a sturdy, well-draining outdoor plant box at least 12 inches deep to accommodate galangal’s spreading roots. Ensure it has drainage holes to prevent waterlogging.

2. Prepare the Soil: Use a rich, loamy potting mix with organic compost. Galangal prefers slightly acidic to neutral soil (pH 6.0–7.0). Mix in perlite or sand to improve drainage.

3. Planting Galangal: Plant fresh galangal rhizomes 2–3 inches deep, spacing them 6–8 inches apart. Place the box in a spot with partial shade, as galangal dislikes intense direct sunlight.

4. Watering and Care: Keep the soil consistently moist but not soggy. Mulch the surface to retain moisture and regulate temperature. Fertilize monthly with a balanced organic fertilizer.

5. Harvesting: Galangal takes 8–10 months to mature. Gently dig around the rhizomes to harvest, leaving some to regrow for continuous production.

With patience and care, your outdoor plant box can yield fresh galangal for culinary and medicinal uses, bringing a touch of the tropics to your garden.