Water Spinach (Kangkong)

What Is Water Spinach (Kangkong)?

Water spinach (kangkong, ong choy) is an aquatic plant that grows in wetlands and along ponds in Southeast Asia (Ipomoea aquatica). Despite its name, botanically it differs from spinach and is a member of the potato family (morning glory family).

It has long, hollow stems and arrow-shaped leaves; the stems are crisp, while the leaves are soft like spinach. It is widely used in Vietnamese, Thai, Chinese, and Filipino cuisines.

Water Spinach Nutrition Facts

Raw water spinach contains about 19 kcal per 100 g; it is rich in vitamin A and vitamin C and also provides fiber. Values are approximate.

How to Eat Water Spinach

Water spinach can be included as part of a balanced diet as a low-calorie source of vitamins; it is usually cooked briefly.

This is general information; water spinach is a food and is not a substitute for medical treatment.

How to Choose Water Spinach

Good water spinach has bright green leaves and crisp, fresh stems without yellowing. Avoid wilted or yellowish bunches and those with rotten spots.

• The leaves should be bright green
• The stems should look crisp and fresh
• There should be no yellowing or rotten spots

How to Store Water Spinach

Water spinach can be stored wrapped in damp paper in the refrigerator for 2–3 days; because it wilts quickly, it is best eaten as fresh as possible.

Using Water Spinach in the Kitchen

Water spinach is commonly quickly stir-fried over high heat with garlic and chili (Thai- or Vietnamese-style) or used in soups; the short cooking time helps preserve its crispness.

Is Water Spinach the Same as Regular Spinach?

No. Despite the similar name, it is a botanically different plant (in the morning glory family). Its leaf texture is similar to spinach, but its stems are hollow and crisp, unlike spinach stems.

Frequently Asked Questions

How is kangkong cooked?

The most common method is to quickly stir-fry it over high heat with garlic, chili, and fermented bean sauce for 2–3 minutes; overcooking makes it lose its crispness.

Can water spinach be eaten raw?

It is usually cooked. Because it grows in fresh water, eating it raw carries a risk of parasites that washing does not remove; the safest choice is to cook it well in boiling water.

Is water spinach available in Türkiye?

It is not common; it is mostly available at Asian grocery stores and markets.