Sowing Arugula Microgreens: Planting Tips and Techniques

HomeGrowingSowing Arugula Microgreens: Planting Tips and Techniques

When sowing arugula microgreens, it is important to evenly spread the seeds in a prepared tray or container. Cover the seeds lightly with a fine growing medium to promote germination and protect against drying out. Maintain proper moisture levels and provide adequate light to ensure successful growth.

Gather Materials

Gather your seeds, tray, and medium—it’s time to get sowing! To begin, you’ll need the proper tools. For the tray, a shallow container with drainage is ideal. It should be large enough to spread out the seeds evenly without overcrowding.

When selecting a soil choice for your microgreens, select one that is lightweight and nutrient-rich. You’ll also want to make sure it has a fine texture that won’t clog up your drainage holes.

Once all of your materials are gathered together, it’s time to start prepping the tray for sowing the arugula microgreens. Make sure the medium is evenly spread in the bottom of your tray and lightly press down on it so it makes contact with each hole in the bottom of your container—this will help ensure even water absorption when watering.

Then take scoopfuls of arugula seeds and scatter them across top of the growing medium in an even layer—try not to overcrowd any area as this can lead to thinning out later on or cause disease issues due to lack of air circulation around each seedling.

Now that you have scattered all of your arugula seeds across top of the growing medium, gently cover them with another thin layer (about 1/4 inch thick) of growing medium overtop as this helps keep them from drying out too quickly during germination period which can lead to poor results at harvest time.

Lastly, give everything a good misting with water until everything looks evenly moistened but not saturated—overwatering can create root rot issues later on down line so try not to overdo it here!

You have now successfully completed sowing arugula microgreens into prepared trays! All that’s left is keeping everything well watered while waiting for those tiny greens start popping up through soil surface within few days before beginning regular maintenance practices like thinning out weaker plants or pruning off any dead leaves or stems once they have reached their full harvestable size.

Prepare Tray

To prepare your tray for sowing arugula microgreens, you’ll need to fill it with growing medium, level and smooth the surface.

Start by filling your tray with a fine growing medium and distribute it evenly across the bottom of the tray. Use a flat object such as a ruler or straightedge to level off the top layer of soil so that it is even on all sides.

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Finally, use your hands or an implement like a tamper to press down and smooth out the surface. Once you’ve completed these steps, you’re ready to start sowing arugula microgreens!

Fill with Growing Medium

Once you’ve prepped the tray, it’s time to fill it with a fine growing medium. Plant selection and soil amendment are both important factors to consider when selecting a suitable growing medium for your arugula microgreens. Here are four steps for filling your tray with the right kind of growing medium:

  1. Choose an organic potting mix that’s been formulated specifically for seed starting or microgreens.
  2. Add in a soil amendment like worm castings or compost to provide extra nutrients and beneficial organisms to help your seeds germinate and grow successfully.
  3. Fill the tray about halfway full with the prepared potting mix and soil amendment mixture, making sure to spread it out evenly so all of the seeds will have enough room to sprout without overcrowding each other.
  4. Cover the seeds lightly with extra potting mix before placing them in an area where they can receive bright indirect light until they’ve had a chance to sprout and grow larger leaves.

With these easy steps, you’ll be able to enjoy fresh arugula microgreens at home in no time!

Level and Smooth Surface

After filling your tray with the right growing medium, it’s time to level and smooth the surface. Depending on the type of soil you use, you may need to adjust the amount of seeds sown for optimum growth.

For example, if you’re using a lightweight mix, it may be necessary to use more arugula microgreens seeds than a heavier mix type. Once you’ve determined the appropriate seed quantity for your tray, spread them evenly by hand or with a seeder tool over the entire surface area.

Gently press down on any exposed areas so that all of the seeds are in contact with soil and make sure there is no air gap between them. Finally, lightly rake over your soil-seed mixture to level and smooth out your tray before covering it slightly with a fine growing medium.

This process will help create an even layer of microgreens, which can then start germinating!

Spread Seeds Evenly

Scattering the arugula seeds like specks of glitter, you ensure each tray is evenly covered. Ensuring a uniform spread of the seed will help to promote healthy growth and avoid overcrowding in your microgreens crop.

To achieve this, it’s important to use additive fertilizers to maintain optimal soil pH levels for proper germination and development. When spreading the seeds, they should be scattered over the entire surface of the tray with as much evenness as possible. It helps if you can see two or three seeds per square inch and keep them from clumping together in any one spot.

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Once done sowing, lightly cover them with a fine growing medium such as vermiculite or fine compost, which will help retain moisture while also allowing light penetration for photosynthesis. Be careful not to bury the tiny arugula seeds too deep – just enough so that they are barely covered by the growing medium is sufficient.

Doing this correctly will ensure good germination rates as well as consistent growth throughout your microgreen harvest!

Cover Seeds Slightly

Lightly covering the seeds with a thin layer of growing medium, such as vermiculite or compost, is like putting a cozy blanket over them for protection. By doing this, you ensure that the soil quality remains high and light exposure is kept to a minimum. It also helps keep the moisture in and provide insulation from fluctuations in temperature.

Here are three key benefits of covering arugula microgreens seeds:

  1. Enhances germination: Covering the seeds ensures that they’ll be protected from harsh elements so they can germinate more quickly and easily.
  2. Prevents weeds: A thin layer of soil prevents weeds from taking hold around your arugula microgreens before they have a chance to establish themselves.
  3. Retains moisture: Keeping the soil slightly moist helps maintain a healthy environment for your microgreens to thrive in by preventing water loss due to evaporation or runoff.

Additionally, using vermiculite can help create an ideal environment for arugula microgreens as it provides additional air pockets which help with aeration and drainage, creating better conditions for growing these delicate greens.

Furthermore, lighter soils such as vermiculite allow more sunlight to penetrate through providing better light exposure for the photosynthesis process which is essential for the growth of these plants.

With all this said, sowing arugula microgreen requires careful planning and attention when it comes to selecting and preparing the right soil quality. Also, ensuring adequate light exposure while covering lightly so that seedlings are safe from external harm yet get enough nutrients needed during their development stage.

Water Thoroughly

Once you’ve scattered your seeds, it’s time to give them a thorough watering – no half measures! As the old adage goes: ‘A good start is half the battle.’ So, make sure you do this step right.

Using the right amount of water is imperative for successful sowing of arugula microgreens. Make sure to select a seed with a high drainage rate or else the tray will become too saturated and can lead to fungal growth or rot. When watering, it’s best to use lukewarm water as cold water can shock the seeds and disrupt their germination process.

Sprinkle enough water over the soil surface until all of it is saturated but not overly wet. The goal should be to create an even layer of moisture in order for uniform germination.

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Once your tray has been thoroughly watered, cover it with a thin layer of plastic wrap or wax paper and place it in a warm spot away from direct sunlight. This helps retain moisture which aids in germination and also guards against unpredictable weather changes that can cause uneven growth patterns.

It’s important to remember that excessive heat during germination can kill off some of your arugula microgreens so make sure you keep an eye on temperatures when possible.

The last step in sowing arugula microgreens is maintenance; making sure they have enough light, warmth, and moisture while growing. Regularly check on your trays during this stage and add more water if necessary as drying out during this stage can affect yields significantly. You may also need to rotate trays periodically if one side gets more sun than the other which could lead to uneven growth patterns within each tray itself.

Finally, don’t forget that patience plays an essential role when sowing arugula microgreens – success won’t happen overnight! With proper care and attention, however, you’ll be rewarded with delicious microgreens for months on end!

Place in a Sunny Location

Once you’re done watering, it’s time to place your tray in a sunny spot – make sure the temperature isn’t too hot though!

Arugula microgreens need about 8 hours of light per day and should be placed in an area that has bright indirect sunlight. If you don’t have access to direct sunlight, there are plenty of composting options available like grow lights or sun lamps that can provide enough light intensity for your arugula microgreens.

It’s important to remember that the temperature shouldn’t exceed 70 degrees Fahrenheit (21 degrees Celsius). This will help prevent the seeds from drying out and ensure optimal growth. Additionally, if you’re using artificial lighting, make sure to keep it at least 12 inches away from your tray as too much heat can damage the delicate microgreens.

When selecting a location for your arugula microgreens, make sure there is good air circulation and enough room for them to spread out without overcrowding each other. Furthermore, avoid placing them near windows or other sources of direct heat which could cause them to dry out too quickly.

Lastly, if possible try rotating the tray every couple days so that all sides receive equal exposure to sunshine and light intensity.

If you follow these simple steps and create a warm and sunny environment for your arugula microgreens, they’ll thrive! Your efforts will pay off with lush green sprouts ready for harvest in just a few short weeks.

Kathy Turner
Kathy Turner
Kathy Turner is the founder of, a popular blog dedicated to helping people become master microgreen growers. Kathy is passionate about helping others learn how to grow the healthiest, most nutrient-rich microgreens. She believes that with the right knowledge and resources, anyone can become a successful microgreen grower. Learn more about Kathy by viewing her full Author Profile.

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