Sowing method: Direct sow. Avoid covering seeds with soil. Keep them moist.. Crab Claw herb won’t be able to grow well in an environment that is too warm. If you’re planting it in a pot, Place in a bright and shady spot, away from direct sunlight, in average warmth, not less than 50f- 55f in winter. Crab claw herb is a kind of vegetable which grow naturally in the wet ground. Crab claw herb grow faster and stronger with raining. The Crab Claw herb or its scientific name Peperomia Pellucida is also known as Ketumpang Air among the Malay community. It could grow up to a height of about 15cm to 45cm in its lifetime. The shape resembles that of a poker card (heart-shaped) with soft, succulent stems. The Crab Claw herb or its scientific name Peperomia Pellucida is also known as Ketumpang Air among the Malay community. It could grow up to a height of about 15cm to 45cm in its lifetime. The shape resembles that of a poker card (heart-shaped) with soft, succulent stems. Common Culinary Name: Vietnamese crab claw herb, salad pepperomia . Botanical Family & Name: Pepperomia Pellucida . Vegetative Description: Small, crawling plant with shiny, slightly Crab Claw Peperomia Pellucida Pansit Pansitan Shiny Bush Rau Càng Cua