Kangkong Chinese Upland- Kangkong (Ipomea reptans) is a fast-growing herb with succulent hollow stems. The leaves and stalk may either be green or purplish. It grows well in both wet and dry places. It can be grown from low to mid elevations throughout the year. Production is best in sandy to clay loam soil with a pH of 5.5-6.5. Plants mature at 30-40 days after sowing.