Growing Microgreens in a Hoop House: Extending Your Growing Season

HomeGrowingGrowing Microgreens in a Hoop House: Extending Your Growing Season

Growing microgreens in a hoop house: A hoop house, also known as a high tunnel, can provide protected growing conditions for microgreens. Construct a hoop house using PVC pipes or metal hoops covered with greenhouse plastic or row cover fabric. Inside the hoop house, place trays or containers with microgreen seeds, ensuring proper air circulation and temperature control. The hoop house offers added protection against frost, wind, and pests, allowing for extended growing seasons.

Benefits of Growing Microgreens in a Hoop House

By growing microgreens in a hoop house, you can reap the benefits of enhanced protection and increased yield. Hoop houses are an ideal environment for growing microgreens since they provide additional insulation from extreme temperatures and more protection from pests. The plants receive warmth during the day but also stay cooler at night, which helps to prevent premature wilting or bolting.

Additionally, the soil management is easier to manage since it is contained and better insulated within the hoop house. This means that microgreens need less water, making them drought tolerant and able to withstand harsher weather conditions than those grown outdoors without extra protection.

The temperature control afforded by a hoop house is especially advantageous for growers located in climates with cold winters or hot summers. For example, if a grower lives in an area where winter temperatures dip below freezing regularly, they can use a hoop house to keep their microgreens warm enough to continue growing until harvest time arrives. Similarly, during summer months when temperatures soar above optimal levels for plant growth, using a hoop house will help maintain adequate temperatures for healthy crop production.

Another benefit of using hoop houses for microgreen production is that they are relatively inexpensive compared to other structures used for agricultural purposes such as greenhouses or hydroponic systems. In addition, because they are lightweight and easy to assemble and disassemble, growers have more options when it comes to locating their farms even if space is limited or access difficult due to terrain or climate conditions. This makes them great options for small-scale farmers who may not be able to dedicate large amounts of land and resources towards their operations but still want quality produce.

Finally, by utilizing a hoop house for your microgreen farming operation, you will find yourself enjoying higher yields that come with less effort spent on soil management and temperature control than would be required without this extra layer of protection provided by the structure itself. Not only does this result in larger harvests with greater nutritional value but also allows growers more flexibility when planning out their planting schedule as well as freeing up valuable time traditionally spent on labor-intensive tasks so that it can be put towards other aspects of running a successful business such as marketing or distribution logistics instead.

Selecting the Right Hoop House

When selecting a hoop house for growing microgreens, two key considerations are size and ventilation, as well as materials and durability. The size of the hoop house should be large enough to accommodate the trays you’ll be using, while still providing adequate ventilation to maintain proper humidity levels and keep pests out.

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Materials should be chosen with an eye towards longevity. Look for galvanized steel or powder-coated aluminum frames that’ll stand up to wind, rain, snow, and other elements. Durability is crucial too – make sure you buy a hoop house designed with UV-resistant plastic coverings that won’t tear or warp over time.

Size and Ventilation

You’ll want to make sure you choose a tray size that allows for adequate ventilation within the hoop house. When selecting your trays, consider factors such as:

  • The lighting requirements of the microgreens you’re growing
  • How much room is needed and available in the hoop house
  • The temperature management necessary for optimal growth
  • Whether or not you need to move trays around in the hoop house for better lighting/temperature management
  • The amount of water and fertilizer needed to sustain healthy growth over time.

Choosing an appropriate tray size is key to successful growth of microgreens in a hoop house. Keep in mind that larger trays can lead to overcrowding, while smaller trays may cause some plants to struggle due to lack of space.

Additionally, inadequate ventilation can lead to various issues such as mold or mildew buildup. So, it’s important that enough air is able to flow throughout the environment inside your hoop house.

Materials and Durability

When selecting the trays for your hoop house, durability is essential – you want something that’ll last practically forever! The most common building materials used are galvanized steel and plastic.

Galvanized steel is great for withstanding long-term exposure to moisture, but it can be more expensive.

Plastic trays, on the other hand, are less expensive and easier to clean. However, over time they can become brittle if exposed to too much sun or extreme cold temperatures. To protect against this, consider adding a weatherproofing material like vinyl coating or a layer of paint that’s made specifically for outdoor use.

This will add an extra layer of protection that can help ensure your trays last season after season.

Planting Microgreens in Trays

Planting microgreens in trays is like creating a vibrant, living patchwork quilt of greens and purples. Whether it’s for a home garden or a commercial enterprise, the process of planting microgreens requires some thought and planning.

Here are some key points to consider when getting started:

  • Composting trays should be filled with high-quality soil mix that’s free from contaminants such as weed seed or other debris.
  • The soil temperature should be carefully monitored to ensure optimal germination and growth of the seeds. If the temperature’s too cold, seeds may not germinate; if it’s too hot, they may burn out before reaching maturity.
  • Planting density can have an impact on yield, so it’s important to determine how many seeds per tray will produce the best results.

Once these factors are taken into account, it’s time to start planting! Microgreens can be planted by hand or using specialized tools such as planters or seeder boxes that allow for precise spacing between plants.

Careful watering and maintenance over the coming weeks will ensure healthy growth and a bountiful harvest!

Tips for Growing Microgreens in a Hoop House

Harnessing the benefits of a hoop house to grow microgreens can be made easier with careful planning and preparation.

First, you’ll want to make sure your soil is prepped correctly for growing microgreens. The soil should have a balanced pH level, good drainage, and plenty of organic matter so that it will retain sufficient moisture.

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It’s also important to provide adequate light for the microgreens, as this will affect their growth rate and quality. Make sure the outside edges of the hoop house are lined with reflective material like aluminum foil or mylar in order to maximize natural light exposure. You may also need supplemental lighting such as LED lights or florescent bulbs if you don’t get enough natural sunlight in your area.

Next, you’ll need to decide what type of trays you’re going to use for planting your microgreens inside the hoop house. Choose trays with holes in them so that water can pass through easily and excess water won’t pool up on top of them. This will help keep your microgreens healthy by not letting them become overly saturated with water from rain or watering systems.

Additionally, adding mulch around the base of each tray can help reduce weeds and maintain moisture levels more consistent throughout your crop’s growth cycle.

Once you have all these basics taken care of, it’s time to start planting! Before sowing seeds into your trays, moisten the soil first using either a spray bottle or an irrigation system set up specifically for this purpose. This helps ensure that all the seeds are hydrated properly before they start growing and prevents over-saturation which can lead to moldy crops later on down the line.

When scattering seeds into each tray make sure they are spread evenly so there is no overcrowding or competition between plants when they begin germinating and sprouting leaves above ground level.

Finally, take extra precaution when maintaining temperature levels inside your hoop house during summer months because extreme heat could cause wilting or scorching if not managed correctly. Use white paint on exterior walls and roof panels in order to reflect some of the sun’s UV rays away from interior surfaces while keeping air temperatures cooler inside during peak hours of daylight outside.

Maintaining proper ventilation is also key as stale air trapped inside could cause fungal diseases due to high humidity levels present within a closed environment like a hoop house structure without proper airflow exchange between indoors and outdoors periodically throughout any given day/night cycle period.

Harvesting Microgreens

Now that you’ve got the tips for growing your microgreens in a hoop house, it’s time to talk about harvesting them. Knowing when and how to harvest your microgreens is essential in ensuring they are at their peak flavor and nutrition. Here are some things to consider:

  1. Timing: The timing of the harvest will depend on the variety of microgreen you’ve chosen and its maturity level. For instance, baby greens such as arugula or spinach need only 10-12 days from seeding until harvest while larger plants like sunflower shoots may take two weeks or more before being ready for harvest.
  2. Soil Preparation: Before you begin harvesting, it’s important to make sure the soil is properly prepared so that it doesn’t affect the taste of your microgreens. Make sure the soil is free of contaminants and weed seedlings so that it won’t affect the flavor or texture of your greens. Additionally, use a light hand with water during this period as overwatering can result in slimy greens with poor texture and flavor.
  3. Cutting: Once you have determined that your plants are ready for harvest, cut them just above soil level using sharp scissors or garden shears. This will help prevent damage to tender leaves and stems during harvesting. Also, be sure to remove any discolored leaves before eating or storing them since these could indicate disease or pest infestation which can render them unsuitable for consumption.
  4. Storage: After cutting, store your harvested microgreens in a cool dry place immediately after picking. This will help preserve their freshness until they’re ready for use! You can also store them in an airtight container lined with damp paper towels if desired. This will help keep moisture levels consistent while keeping out unwanted pests such as fruit flies or ants which could ruin a batch quickly!
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Troubleshooting Common Problems

You may encounter a few common issues when growing microgreens in your hoop house. Pest and disease control are particularly important, as these can quickly spread and cause damage to your crop.

Nutrient deficiencies need to be monitored closely, as this is an easy way for the health of your plants to deteriorate. In order to ensure that your microgreen harvest is successful, it’s important to address these issues proactively.

Pest and Disease Control

Controlling pests and diseases in a hoop house is critical for successful microgreen production. Otherwise, the crops won’t have a fighting chance. To do so, an integrated pest management (IPM) approach is highly recommended. This involves using a combination of chemical and non-chemical tactics, such as crop rotation or companion planting.

Crop rotation helps to reduce the population of pests by moving crops to other locations after harvest. Companion planting involves growing compatible plants together that can help deter harmful insects from attacking your microgreens. Additionally, keeping your hoop house clean and free of weeds will also go a long way in decreasing any potential infestations.

Finally, using beneficial insects like ladybugs or praying mantises can help control bad insect populations without having to use harsh chemicals.

Nutrient Deficiencies

Without proper nutrition, your microgreens won’t thrive; so regularly checking for nutrient deficiencies is essential for successful production.

The soil fertility of your hoop house should be analyzed to determine what nutrients are lacking and how much fertilizer must be added. To maintain the optimal fertility and pH level in the hoop house, fertilization management needs to be done with precision.

Applying too little or too much fertilizer can lead to a lack of necessary nutrients in the soil, resulting in poor growth and low yields of microgreens. To ensure proper nutrition, test your soil’s fertility every two weeks to assess any changes in nutrient levels. You may need to adjust your fertilizer management plan if you notice any imbalances in the soil’s nutrient content.

Additionally, use a quality slow-release organic fertilizer that will supply the needed nutrients over a long period of time rather than a quick fix solution like chemical fertilizers.

With careful monitoring and adequate fertilization management, your microgreens will get all the nutrition they need while growing inside a protected hoop house environment.

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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