Get To Know The Wasabi Plant: A Comprehensive Overview

  • By: Succulents Plants
  • Date: December 15, 2022
  • Time to read: 10 min.
Wasabi Plants
Photo by courtesy of y-studio

Are you curious about the wasabi plant and its culinary and health benefits? The wasabi plant, also known as Wasabia japonica, is a unique member of the Brassicaceae family and is primarily found in Japan, China, and Korea. This comprehensive overview will explore what the wasabi plant is, how it is grown, the nutrition and health benefits it provides, and how to best use it in the kitchen. So, if you want to learn more about the wasabi plant, read on!

What is Wasabi?

Wasabi is an edible plant found primarily in parts of Japan and East Asia. It is an integral part of Japanese cuisine and is often served as a condiment with sushi or sashimi. Wasabi is known for its unique flavor, spicy aroma, and distinct green color. It is closely related to horseradish and mustard; its leaves, stems, and roots are all edible.

The wasabi plant is a perennial, meaning it can survive over multiple seasons and years in the right environment. The central part of the wasabi plant consists of an underground rhizome, which is usually grated to produce an aromatic green paste. The leaves of the plant are edible and often served as part of salads or used as a garnish. The stems can also be eaten and are sometimes used as a flavoring in soup or boiled rice.

Wasabi grows best in environments that have plenty of sun and moisture. It is a hardy plant and can even withstand frosty temperatures. It is usually found in areas near rivers and streams, and it thrives in rocky soil. To cultivate optimal growth, the wasabi plants must have plenty of water and pH-neutral soil.

Wasabi has been widely consumed in Japan for centuries and is now increasingly popular in other parts of the world. It has been used both as an ingredient and a condiment in many dishes, and it is gaining popularity for its distinct flavor and health benefits.

Where Does The Wasabi Plant Grow?

Wasabi is a member of the Brassicaceae family, a perennial herb native to Japan, Taiwan, and parts of China. The scientific name of the wasabi plant is Eutrema Wasabi, which is related to horseradish, broccoli, and cauliflower.

Wasabi plants grow best in shady, moist places with acidic soil, such as mountain streams and riverbanks. It is often found in stream beds and sometimes in home gardens. Wasabi needs a steady water supply, so keeping it in a well-drained, moist area is essential. The ideal temperature for wasabi plants is around 10-15°C (50-60°F) with a relative humidity of 65-70%.

Wasabi plants grow in clusters that can reach up to three feet in height and have long leaves ranging from green to light green in color. The plant will produce small, colorful flowers in the summer months. Wasabi is an incredibly slow-growing plant, taking anywhere from two to three years to reach maturity.

Wasabi grows in temperate climates worldwide, but it is commonly thought of as being from Japan. It is widely cultivated in Asia but is also grown in other countries such as France, Germany, and the United States. The fact that wasabi is a slow-growing perennial makes it challenging to cultivate, so most of the wasabi used commercially is a mix of horseradish, mustard, and food dye. You’ll have to look for fresh wasabi to get the real thing.

How is Wasabi Grown?

The wasabi plant is native to the moist, shady mountain streams of Japan and takes a particular environment to cultivate it. The wasabi root, or rhizome, is mainly grown in the shade, on alluvial soils in wet river beds, or terraced fields.

The wasabi plant requires a steady flow of water, often achieved using gravity-fed irrigation systems from nearby mountains. A layer of organic compost is added at the beginning of the growing season to give the plant the nutrients it needs. To ensure plant growth and healthy leaves, the soil is regularly fertilized with fish meal and organic fertilizers.

Wasabi plants can be grown in either a direct-seeded or transplanted system. In the direct-seeded system, the rhizomes are planted directly into the soil; this is the most common cultivation method. In the transplanted system, the wasabi rhizomes are individually potted before they are produced in the field; this method ensures that the plants get the best start possible and can be harvested separately.

In addition to providing the right environment, growers must carefully monitor water levels, soil pH, air temperature, and sunlight levels. If the wasabi plant receives too much direct sunlight, it can get sunburned and wither, while insufficient light can stunt its growth.

The first harvest can start when the wasabi plants are a couple of months old. The rhizomes are carefully dug up and washed before the leaves can be cut off for later use. The rhizomes are then replanted, and the process begins once again.

Nutrition and Health Benefits of Wasabi

Its spicy green condiment is primarily used to flavor Japanese dishes, including sushi and sashimi. Wasabi is gaining momentum among health-conscious consumers due to its numerous health benefits. Wasabi contains various vitamins and minerals, such as vitamin C, potassium, calcium, magnesium, and beta-carotene. Additionally, it is an excellent source of dietary fiber, protein, and essential fatty acids.

Wasabi’s primary health benefit is its ability to fight inflammation. Studies show that wasabi is packed with anti-inflammatory compounds that can help reduce chronic inflammation and the risk of many diseases like heart disease and cancer. Wasabi is also packed with antioxidants which help protect the body from free radical damage and reduce the risk of disease.

In addition to its anti-inflammatory and antioxidant benefits, wasabi has been linked to improved brain health. Studies suggest that wasabi can help protect the brain from neurodegenerative diseases like Alzheimer’s and Parkinson’s. Wasabi contains compounds that can inhibit the accumulation of amyloid-beta plaques in the brain, which is the primary factor in Alzheimer’s disease.

Wasabi also has antibacterial and antifungal properties, which can help reduce the risk of infection. The essential oils in wasabi can help fight bacterial and fungal infections. Wasabi is also a natural diuretic that helps reduce bloating and water retention.

Nutritional Profile of Wasabi

The wasabi plant is an incredibly nutrient-dense food packed with vitamins and minerals. It is packed with vitamin C, which helps to boost immunity and promote healthy blood glucose levels. It is also a great source of iron that helps maintain energy levels and can help protect against anemia. Wasabi is an excellent source of dietary fiber, providing much-needed nutrition for a healthy digestive system. It is also a great source of antioxidants, which helps to reduce inflammation in the body.

Wasabi is also a great source of potassium, a mineral that helps to regulate blood pressure and plays a role in maintaining proper muscle and nerve function. It is also a great source of magnesium, essential for energy production and muscle function. Wasabi is a good source of calcium, making it an excellent addition to any calcium-rich diet.

In addition to these essential vitamins and minerals, wasabi also contains a good amount of protein, which is essential for muscle growth and maintenance. The protein found in wasabi comprises all eight essential amino acids, which are necessary for healthy growth and development.

Wasabi is also a rich fiber source, which helps reduce cholesterol levels and keep the digestive system running smoothly. It also contains a good amount of fat, which can provide some needed calories when consumed in moderation.

Antioxidants in Wasabi

When it comes to wasabi, many people think of the spicy condiment commonly found in sushi restaurants. But did you know that wasabi is a plant? Wasabi is part of the Brassicaceae family, along with broccoli and cabbage, and is native to Japan and parts of China and Taiwan. Not only is wasabi a delicious condiment, but it’s also a powerhouse of antioxidants.

This green-hued plant has many beneficial compounds, making it an excellent source of antioxidants. Wasabi contains polyphenols, which are a type of compound found in fruits and vegetables. These polyphenols act as antioxidants, actively scavenging free radicals and preventing oxidative damage. Studies have shown that wasabi can help reduce inflammation and bolster the body’s natural defense systems.

Cardiovascular Benefits of Wasabi

Wasabi contains a compound called allyl isothiocyanate, which helps reduce cholesterol levels. Studies have shown that consuming wasabi can help reduce total cholesterol levels and LDL or bad cholesterol. It can also raise levels of HDL or good cholesterol. This helps lower the risk of developing cardiovascular diseases, such as hypertension and coronary artery disease.

The plant is also packed with antioxidants, which help protect the body from free radical damage and oxidative stress. This can also aid in reducing the risk of developing cardiovascular diseases. In addition, antioxidants play a role in reducing inflammation, which is a critical factor in heart health.

The wasabi plant also contains a variety of B vitamins, which are essential for maintaining heart health. B vitamins help to reduce levels of homocysteine, a compound linked to an increased risk of heart attack and stroke. They also play a role in helping to regulate both blood pressure and cholesterol levels.

Anti-Inflammatory Benefits of Wasabi

The main active component in wasabi is a compound called 6-methylsulfinyl-hexyl-isothiocyanate, which has been known to exhibit anti-inflammatory properties.

Studies have shown that wasabi’s anti-inflammatory properties can be attributed to two main factors: its high content of vitamin E and its ability to inhibit the production of pro-inflammatory molecules in the body. Vitamin E is a powerful antioxidant that helps protect our cells from free radical damage while inhibiting the production of pro-inflammatory molecules, helping reduce inflammation and pain.

Research has also found that wasabi’s anti-inflammatory properties can positively affect our overall health. One study showed that consuming a diet rich in wasabi can help reduce the risk of chronic diseases, such as heart disease and diabetes. Additionally, wasabi has been shown to reduce inflammation in the lungs, which can help reduce asthma symptoms.

Using Wasabi in the Kitchen

It is essential to use the freshest ingredients for the best flavor. Fresh wasabi is usually found in the refrigerated section of supermarkets, but you can also buy wasabi powder from specialty stores or order it online. Wasabi powder is usually more potent, so start with a small amount, and adjust to your desired heat level.

Fresh wasabi is best sliced and grated using a Microplane grater. You want to ensure you don’t over-grate it, as the flavor and heat will dissipate the more it is minced. The grated wasabi can then be used to make a paste or as a flavorful garnish for sushi, sashimi, and other Japanese dishes. The same goes for wasabi powder – you can use it to make a sauce or dressing with cold water or simply add a tiny bit to a hot dish and mix so that it won’t burn.

Wasabi is also great for jazzing hot sauces, especially if you’re looking for a kick. Mix a little wasabi paste with your favorite hot sauce for a bold and flavorful condiment that you can use on just about anything.

The wasabi plant is an incredibly versatile ingredient that can take your cooking to the next level. Whether you’re using fresh wasabi or wasabi powder, you can be sure that it will elevate any meal with its unique flavor and a subtle kick of heat.

Buying and Storing Wasabi

Buying and storing wasabi is a unique task since it is not widely available fresh. While buying fresh wasabi is the best option, it can be challenging to find. If you are lucky enough to come across fresh wasabi, it should be stored in the refrigerator as soon as possible. Remember also to keep it away from strong odors, as the smell can penetrate the wasabi’s delicate flavor.

If you cannot find fresh wasabi, the next best option is to buy it frozen. Wasabi powder is the easiest form of wasabi to find and is extremely shelf-stable with a long shelf life. Wasabi powder can be purchased in small jars or larger bags. It should be kept in a cool, dry, and dark place and will keep for a year or more.

For those who want a long-term and sustainable supply of wasabi, growing wasabi at home is an option. Wasabi is a slow-growing plant that thrives in cool, moist climates and prefers partial shade. While it takes several years to fully mature, growing wasabi at home may save money in the long run. To keep your wasabi plant fresh, you should avoid letting the soil dry out and keep the temperature between 55 and 75 degrees Fahrenheit. When it is time to harvest, use a sharp knife or scissors to cut the wasabi directly from the root.


In conclusion, getting to know the wasabi plant is more than just an interesting topic of conversation. The wasabi plant is an incredibly healthy and flavorful ingredient that can easily be included in meals. The nutritional and health benefits of wasabi are numerous, including the antioxidants that fight free radicals, the anti-inflammatory actions, the cardiovascular benefits and even cancer prevention and treatment benefits. Wasabi can be found fresh in some areas and is most often available in powder form. With just a few ingredients, you can make wasabi paste that adds a unique flavor to any dish. With these tips, you’re sure to enjoy the flavor and benefit from the healthiness that the wasabi plant can bring. So, don’t be afraid to give this unique ingredient a try!


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