Grow Your Own Nutritious Hydroponic Microgreens – A Comprehensive Guide

Hydroponic microgreens are small, young plants that are grown in a nutrient-rich water solution, rather than soil. They are packed with essential vitamins, minerals, and antioxidants and make a delicious addition to salads, sandwiches, and smoothies. Not to mention, they are also incredibly easy to grow and can be done so in the comfort of your own home.

The Advantages of Hydroponic Microgreens

🌱 High Nutrient Content: Hydroponic microgreens are rich in nutrients and fiber and are the perfect addition to a healthy diet.

🌱 Space Efficient: These tiny plants require very little space and can be grown almost anywhere, regardless of climate conditions.

🌱 Faster Growing Time: Hydroponic microgreens grow much faster than their soil-grown counterparts, which makes them a more efficient choice.

🌱 Minimal Water Usage: Hydroponic microgreens consume significantly less water than soil-grown plants, making them an eco-friendly alternative.

🌱 Pesticide-Free: Growing your own hydroponic microgreens eliminates the need for pesticides, herbicides, or any other potentially harmful chemical additives.

🌱 Fun and Easy: Hydroponic microgreens are easy to grow and are perfect for both kids and adults who are looking for a fun and educational project.

The Disadvantages of Hydroponic Microgreens

🌱 High Initial Investment: Starting a homegrown hydroponic microgreen farm requires an initial investment in equipment, which can be costly.

🌱 Dependence on Electricity: Your hydroponic microgreens system requires access to electricity to power the water pumps and lighting systems.

🌱 Monitoring and Maintenance: Hydroponic systems require consistent monitoring to ensure that the plants are getting the right amount of nutrients and water, which can be a time-consuming process.

🌱 Risk of Contamination: There is always a risk of contamination with hydroponic systems, especially if proper cleaning and maintenance practices are not followed.

🌱 Limited Varieties: While hydroponic microgreens can be grown in a wide range of varieties, they are still limited in comparison to soil-grown plants.

How to Start a Hydroponic Microgreen Garden

To start your hydroponic microgreen garden, you will need the following equipment:

Equipment Price
Grow Tray $20
Growing Medium $20
Seeds $10
Water Pump $25
Grow Light $50
Nutrient Solution $15
Thermometer/Hygrometer $10

Once you have gathered all your equipment, follow these steps to set up and grow your hydroponic microgreens:

Step 1: Prepare the Growing Container

Clean and dry the grow tray, then add the growing medium. Fill the container with water until the medium is thoroughly soaked, and excess water does not pool in the bottom.

Step 2: Sow the Seeds

Sprinkle the seeds onto the growing medium in the container evenly. If using multiple varieties, sow each in its own section of the container.

Step 3: Water the Seeds

Attach the water pump and add the nutrient solution to the water reservoir. Turn on the pump and adjust the flow to a gentle stream. This will provide the seeds with a constant supply of necessary nutrients.

Step 4: Provide Lighting

Position the grow light above the grow tray and ensure that the light is approximately 2 inches above the seeds. Adjust the light schedule, so it is on for at least 12 hours each day.

Step 5: Maintain a Healthy Environment

Check the temperature in the grow area daily and ensure it stays between 65-75°F for optimal growth. Monitor the humidity level and adjust by increasing ventilation if needed.

Step 6: Harvest

Depending on the variety, your hydroponic microgreens should be ready to harvest in 7-21 days. Use sharp scissors or a knife to cut the microgreens, leaving about an inch of stem behind. Rinse the greens and enjoy!

Frequently Asked Questions About Hydroponic Microgreens

1. What are hydroponic microgreens?

Hydroponic microgreens are small, young plants that are grown in a nutrient-rich water solution rather than soil.

2. What is the growing medium for hydroponic microgreens?

The most common growing medium for hydroponic microgreens is coconut coir, but other mediums include peat moss, perlite, and vermiculite.

3. Can I grow hydroponic microgreens indoors?

Yes, hydroponic microgreens can be grown indoors in any location with enough space and access to electricity.

4. How much water do hydroponic microgreens need?

Hydroponic microgreens require significantly less water than soil-grown plants, as they only require enough water to remain moist, not soaking wet.

5. How often should I add nutrients to my hydroponic system?

You should change your nutrient solution once every 1-2 weeks to ensure that your plants are getting the necessary nutrients they need.

6. Can hydroponic microgreens be grown in a hydroponic system using natural light?

Yes, but the plants will grow better if supplied with artificial light that can be controlled.

7. How long does it take hydroponic microgreens to grow?

Hydroponic microgreens can take anywhere from 7-21 days to grow, depending on the variety.

8. What types of seeds can be used for hydroponic microgreens?

All types of vegetable, herb, and microgreen seeds can be grown in a hydroponic system.

9. Do hydroponic microgreens taste different than soil-grown microgreens?

Hydroponic microgreens often have a more concentrated flavor than soil-grown microgreens due to their high nutrient content and shorter growing time.

10. Can I use tap water for my hydroponic system?

It is recommended that you use filtered or purified water to prevent any potential contamination or mineral buildup in your hydroponic system.

11. Can I reuse my growing medium for successive batches of hydroponic microgreens?

It is possible to reuse your growing medium, but it is recommended that you change it after every two batches to prevent any potential contamination or nutrient deficiency in your plants.

12. How do I prevent pests in my hydroponic system?

To prevent pests, ensure that your hydroponic system and growing area are kept clean, and proper sanitation practices are followed. Be sure to check plants frequently for any signs of infestation and address any pest issues immediately.

13. Are there any safety concerns with hydroponic microgreens?

Hydroponic microgreens are safe to consume; however, it is essential to follow proper sanitation practices when growing and handling the plants.


Hydroponic microgreens make for an excellent addition to any well-balanced diet, and growing them yourself can be an educational and fun experience. While there are some initial costs and time investment required, the benefits of hydroponic microgreen gardening outweigh the challenges. So why not start your hydroponic microgreen garden today and enjoy all the nutritional benefits these tiny plants have to offer!

*Disclaimer: The information provided in this article is for educational purposes only and is not intended to diagnose, treat, or cure any medical condition. Please consult with your healthcare provider before making any dietary changes.