How to Grow Hawaiian Shampoo Plant (Awapuhi)

1. Plant selection

• Source: Buy rhizomes or potted plants from a trusted nursery.
• Condition: Make sure the rhizomes are firm and free of mold.

1. Choice of location

• Sunlight: Prefers partial shade to full sun.
• Soil: It needs a well-drained, rich and loamy soil with organic matter.

1. **Planting

• Timing: Plant in late spring or early summer when the soil is warm.
• Preparation: Dig a hole 2-4 inches deep.
• Process: Place the rhizomes horizontally in the hole, cover them with soil and water abundantly.

1. Irrigation

• Frequency: Keep the soil constantly moist during the growing season.
• Adjustment: Water less in winter when the plant is dormant.

1. Fertilization

• First application: Apply a balanced slow release fertilizer when planting.
• Continuous fertilization: Fertilize monthly during the growing season.

1. Mulching

• Purpose: Retains moisture and suppresses weeds.
• Application: Apply a 2-3 inch layer of organic mulch around the plant.

1. Pruning

• Timing: Prune dead or yellowed leaves as necessary.
• Technique: Use clean, sharp pruning shears.

1. Pest and disease management

• Inspection: Check regularly for pests such as aphids and mites.
• Treatment: Use insecticidal soap or neem oil as necessary.

1. Care in winter

• Protection: In cold climates, dig up the rhizomes and keep them indoors or grow in pots to move indoors.
• Mulching: In mild climates, apply a thick layer of mulch to protect the roots.

1. Harvest

• Timing: Flower spikes appear in late summer or early fall.
• Use: Gently squeeze the flower spikes to release the shampoo-like sap.

1. Propagation

• Division: Divide the rhizomes every few years in early spring.
• Process: Dig up the group, cut the rhizomes into sections with at least one shoot each, and replant.

By following these steps, you can successfully grow the Hawaiian shampoo plant and enjoy its beauty and unique usefulness in your garden.