Hạt Giống Rau Ngót Vn + Free Sample Vegetable Seed

Hạt Giống Rau Ngót VN – Premium Katuk Vegetable Seeds + Free Sample. Quick Planting Guide for Rau Ngót (Katuk). Seed Preparation: Rau Ngót seeds have a hard outer shell. Soak seeds in warm water (2 parts hot water + 3 parts cold water) for 12 – 24 hours to soften the shell and stimulate germination.