Mustard (Brassica Juncea)

Microgreens Corner is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more.

Mustard microgreens produce a mild but sweet and spicy flavor to your next meal. It’s one of the more popular spices in the world! They are very much like other microgreens, tender and juicy, and filled with nutrition. 

What Are Mustard Microgreens?

Mustard Microgreens comes in different types, some spicier than others, like the purple mustard. This more mildly version is also known as the mustard spinach. 

Growing period8-12 days
FlavorMildly sweet but spicy mustard flavor, close to horseradish
Growing difficultyEasy
Buy seedsOsaka Purple Mustard seeds from True Leaf Market
Spicy Oriental Mustard seeds from True Leaf Market


The mustard as a microgreen is nothing like the mustard you buy in the supermarket. Growing your own mustard microgreens you will get a mini-veggie high in healthy nutrients.

Mustard microgreens vs grains and full grown flower

The mustard is a plant species in the genera Brassica and Sinapis in the family Brassicaceae. Historically it has been used as a spicy grown both in Asia, Europe, and the Americas.

General Nutrition & Benefits

The mustard microgreens are full of nutrition and have a high content of Vitamins A, B6, C, E, and K. They are also containing antioxidants and high in carbohydrates, protein, fiber, folate, calcium, iron and sodium.

RELATED: The 14 Most Nutritious Microgreens to Grow and Eat

How to Grow Mustard Microgreens

Mustard microgreens are very easy to grow and they are ready to be harvested in about two weeks.

Growing timeline (estimated)
Preferred mediumCoco Coir, Soil or Hydroponic mat
Avg. seed weight (10/20 tray)1 oz
Germination period (blackout)Day 1-3
Growth time (sunlight)Day 4-7
HarvestDay 8-12

The seeds are small and germinate and grow fast. You don’t have to presoak the seeds but you can get right to it!

They can be planted in both soil and hydroponic growth medium. You spread the seeds evenly across your tray and if growing in soil, you can spread some soil on top.

The results are a crop of tall microgreens with upright stems that makes harvesting easy.

Culinary Guiding

The mustard microgreens make a great choice to sandwiches, mix in salads, and to sprinkle over soups.

Microgreens Corner
Microgreens Corner
We are Janette & Jesper, and we love microgreens.


Please enter your comment!
Please enter your name here

Stay Up to Date

Join our free email list and learn how to grow your own microgreens at home. Get the tips, tricks and latest news straight in your inbox!

We respect your privacy. Unsubscribe at any time.

You May Also Like

Let's Connect!

Read Also

More to Read