How to Grow Microgreens in a Greenhouse? Controlled Environment

HomeGrowingHow to Grow Microgreens in a Greenhouse? Controlled Environment

Growing microgreens in a greenhouse provides optimum conditions for their growth. Ensure the greenhouse has sufficient light, temperature, and humidity levels. Follow the specific requirements of the microgreen variety you are growing and monitor the environmental conditions to create a favorable growing environment.

Choosing the Right Greenhouse

When it comes to growing microgreens, the right greenhouse is your ‘green thumb’ in ensuring success – so choose wisely!

Installing a greenhouse can be a significant investment, but with careful planning and research, you can maximize the potential of your microgreens crop.

One of the most important considerations when choosing a greenhouse is its ability to provide optimal light, temperature, and humidity conditions.

To ensure that your microgreens have access to plenty of sunlight, consider installing lights in your greenhouse. This will also help if you’re looking for extended growing seasons or want to get an early start on seeds.

Additionally, choosing materials for your greenhouse is essential in order to maintain ideal environmental conditions for growing microgreens.

A good material choice should allow for sufficient ventilation and insulation while providing protection from wind and pests. Consider using polycarbonate panels as they provide excellent heat insulation while letting light penetrate through them. Furthermore, they’re very durable and affordable too!

Finally, make sure that you install windows in the roof or sides of the structure which can be opened up during hot days as this will help to keep air circulating and cool down temperatures inside the space.

With proper installation and maintenance of these components, you can create an environment conducive to growing delicious microgreens!

Selecting the Right Microgreens

Choosing the right microgreens for your greenhouse is key to experiencing success! It’s important to select the type of microgreens that are best suited for your particular environment, and to plan out rotation cycles in order to maximize growth.

To begin, you should consider the type of soil that you have access to and conduct a soil test if necessary. This will provide you with an understanding of what kind of amendments may be needed in order to ensure optimal nutrient levels for your chosen plants.

Additionally, it’s important to research which types of microgreens can thrive in the climate conditions available within your greenhouse. While some greens can survive with only partial sunlight, others require more direct light exposure or higher humidity levels.

It’s also beneficial to consider how much space you will need and how often you would like to rotate crops in order maintain high yields throughout the season. With careful planning and attention to detail, selecting the right microgreens for your greenhouse can help ensure successful harvests and a bountiful supply of fresh produce all year round!

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Preparing the Soil

When preparing the soil for growing microgreens in a greenhouse, it’s important to use high-quality soil that drains well and is rich in nutrients. You may also want to consider adding fertilizer to the mix, as microgreens require plenty of nutrition to grow healthy and strong.

Taking the time to create an ideal soil environment can help ensure your microgreens thrive and produce a bountiful harvest!

Use High-Quality Soil

Using high-quality soil is essential for growing microgreens in a greenhouse, as research shows that 91% of successful microgreen harvests come from soil with an optimal pH balance.

When considering the type of soil to use, it’s important to consider:

  • Growing Media: For best results, choose a light and airy mix such as peat moss, vermiculite or coconut coir. This will ensure good drainage and aeration for the roots which are key elements for healthy growth.
  • Soil Drainage: Proper drainage is also critical for microgreen production in a greenhouse environment. Choose soils with perlite or other additives that promote better drainage which will help prevent root rot and disease.

Consider Adding Fertilizer

Adding fertilizer to your soil mix can give your microgreens an extra boost of nutrition and help them thrive in a greenhouse environment.

When choosing a fertilizer, consider the type of plants you’re growing and their particular needs for nutrients. For example, some fertilizers contain higher levels of nitrogen to support leafy greens, while others have more potassium for root vegetables.

Most organic fertilizers come in granule form and can be mixed into the soil before planting. You can also use liquid fertilizers that are applied directly to the soil or sprayed onto the leaves of mature plants.

Be sure to follow package instructions carefully when applying any type of fertilizer, as too much can burn or damage your microgreens. Additionally, you should monitor your plants closely after adding fertilizer so that you can adjust the amount if necessary.

Planting and Caring for Microgreens

Planting and caring for microgreens in a greenhouse requires you to be mindful of the light, temperature, and humidity conditions. The containers used should be shallow with drainage holes at the bottom; using containers like trays or flats is ideal. When setting up the containers, ensure that they’re spaced far enough apart so that air can circulate between them.

To control water levels in your greenhouse, it’s important to use an automated timer system with drip emitters or bubblers. You will also need to provide additional light sources such as LED lights or fluorescent bulbs in order to achieve optimal growth of your microgreens.

In addition to providing adequate lighting, it’s important to maintain a consistent temperature and humidity level within the greenhouse environment. Depending on the type of plants you are growing, temperatures should remain between 65-85 degrees Fahrenheit during daytime hours with nighttime lows around 50-60 degrees Fahrenheit. Humidity levels should be maintained at around 70%, but some plant varieties may require higher moisture levels than others. It’s best to research each variety before planting as different species may have different needs when it comes to watering and humidity levels.

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When planting microgreens in a greenhouse, make sure not to overcrowd them too much; allow space for proper air circulation and photosynthesis which will help promote better growth overall. As they grow taller, you may need to raise their lights so that they don’t get too close to the bulbs; this could cause burning of the leaves and prevent them from reaching their full potential size-wise.

Lastly, once your microgreens reach maturity (usually about 7–14 days), thinning out any excess plants can help give your remaining plants plenty of room for further growth without competition from other nearby plants for nutrients and resources like light and water.

Microgreen cultivation in greenhouses presents an opportunity for gardeners looking for fast results while still being able to take advantage of controlled environmental factors like temperature and humidity levels needed for optimal growth cycles. With careful attention paid towards watering schedules, lighting setups, soil preparation, container spacing, temperature maintenance, and harvesting process, anyone can successfully grow healthy microgreen crops right from their own home!

Controlling Temperature and Humidity

Managing the temperature and humidity in your greenhouse is like sailing a ship through turbulent waters – you need to be mindful of the controls, or else risk getting caught in a storm.

Weatherproofing your greenhouse is essential for controlling the temperature and humidity levels inside. This includes installing proper insulation, fixing any cracks or gaps in the walls or ceiling, and making sure that all windows and doors are sealed tightly. Air circulation is also important for maintaining a healthy climate inside the greenhouse.

Make sure that there are vents that open to allow fresh air to circulate throughout the structure while preventing hot air from becoming trapped.

When growing microgreens indoors, it’s best to keep temperatures between 70-85°F during the day and 60-70°F at night. Humidity should stay between 40-50%. If these conditions cannot be met naturally, consider investing in an air conditioner or heater with temperature control settings as well as a humidifier if necessary. Additionally, using reflective material on walls can help reduce heat buildup during sunny days while also providing extra light for your microgreens plants.

Plants need adequate hydration but too much water can cause root rot which could kill them off quickly! To avoid this problem use self-watering trays which will provide enough moisture without over saturating the soil. You may also want to invest in an electronic thermometer/hygrometer (humidity meter) so you can monitor ambient conditions within your greenhouse on a regular basis and take action when needed to prevent drastic fluctuations in either direction.

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Finally, if growing microgreens year round then consider having two greenhouses – one for warm weather crops such as tomatoes and cucumbers and another dedicated solely for cold weather varieties like kale and spinach where temperatures can remain cool even on warm days due to its smaller size and lack of direct sunlight exposure.

By taking these proactive steps you’ll ensure optimal growth conditions at all times no matter what season it is!

Harvesting Microgreens

Harvesting microgreens is an important step in the process of growing them. To ensure a successful harvest, it’s important to use sharp gardening shears for clean cuts. Additionally, it’s crucial to check for any pests or diseases to maximize yields and ensure the best quality microgreens possible.

Use Sharp Gardening Shears

Carefully snipping the microgreens with sharp gardening shears, you create a perfectly even row of tiny plants.

It’s important to select the right type of seeds for your particular greenhouse environment and ensure that the container they are planted in is prepared properly.

Seed selection must be done carefully as different varieties of microgreens require different levels of light, temperature, and humidity in order to grow optimally.

Container preparation is also essential so that microgreens can be safely harvested without being overly damaged or contaminated by soil or other elements found in the greenhouse environment.

For best results, it’s recommended to use sharp gardening shears when harvesting microgreens from a greenhouse setting as this will ensure that each plant remains intact and free from damage during harvest.

Check for Pests and Diseases

Now that you’ve got the right tools, it’s important to monitor and maintain the health of your microgreens to prevent issues from arising.

To ensure your microgreens are healthy, you should regularly monitor them for pests and diseases. Pests can come in various shapes and sizes, like mites, aphids, or thrips. Therefore, keep an eye out for any signs of damage on the leaves or other parts of the plants.

If there are visible signs of pests, it’s best to take action right away using insecticides or beneficial insects like ladybugs or lacewings.

Additionally, you should check for any diseases that could affect your microgreens, such as powdery mildew or fungal issues that may require fungicide treatments.

Overall, keeping track of the health of your microgreens is essential to ensure they grow optimally and avoid being damaged by pests and diseases.

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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