How to Grow Mizuna – A Beginner’s Guide

mizuna plant growing in garden
Mizuna, which are known botanically as Brassica rapa var. nipposinica, are a type of vegetable that can easily be grown at home. Continue reading to learn the basics of growing mizuna as well as common mistakes to avoid along the way.

Best Time to Plant Mizuna

This will depend largely on your local climate, but as a rule of thumb, begin to plant the mizuna seeds directly outdoors in early spring or fall. This is the best time to ensure that the seedlings survive the weather.

To check when mizuna are most likely to thrive in your area, see the USDA Plant Hardiness Zone Map. If you live outside the US, do a quick search for ‘plant hardiness zone + [city]’.

How to Plant Mizuna the Right Way

There are a number of things to consider that will help you avoid some of the common mistakes of growing mizuna in your home garden.

Often overlooked, your soil can have a huge impact on how well your mizuna grow. Generally, your soil should be well-drained and fertile. Soil PH levels should be around 6.0 to 7.0.

1″ apart in rows 12″ apart. 1″ apart in rows 18″ apart. The seeds should be sowed at a depth of about 4-6″. For each plant, be sure to sow at least a few seeds to ensure that at least one of them will germinate.

Begin thinning your mizuna seedlings 8-12″ apart when seedlings are 1-2″ tall.

How Much Sunlight is Needed to Grow Mizuna

The amount of sunlight is another key to a successful harvest. Too much sunlight will dry out your mizuna. Not enough sunlight will stunt your its growth or even kill it.

Ideally, your mizuna should be getting full sun to partial shade

How Much to Water Mizuna

As you’ve figured by now, a lot can have an impact on how well your mizuna do, and the amount of water is no different.

Ideally, the soil should be damp to touch; not soggy or bone dry. If the leaves on your mizuna begin to change colors or start to look droopy, you need to adjust how much water you’re giving it.

Unfortunately, if you give it too much or too little water, you can kill it, so it’s best to just keep an eye on it and water as needed.

How Long Does it Take Mizuna to Germinate and Grow?

Now the fun part begins and you get to watch your mizuna grow.

It takes approximately 4-7 days to germinate, and a total of 35-50 days from seed to harvest.

When to Harvest Mizuna

The best time to harvest your mizuna is when leaves are 4-6″ long and before they bolt.

Mizuna can grow up to about 8-12″ tall.

What Can Mizuna Be Used For?

Food Use: great for salads, stir-fry, and cooked greens.

Flavor Profile: mild, peppery, and slightly spicy.

Can Mizuna Grow in Pots and Containers?

Yes, you can plant multiple plants in a 12″ container. This can help control weeds and keep your plant from growing out of control.

It also gives you the flexibility to move your mizuna around if you need to adjust sunlight or bring it indoors to avoid harsh weather conditions.

Are Mizuna Safe for Bees?

Yes, mizuna are safe for bees.

According to, bees pollinate human food crops that make up about 90% of the world’s nutrition.

Given their importance in our ecosystem and food supply, I feel it is important to note that growing mizuna is bee-friendly.

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