Garden of Eden Urban Farming
Microgreens Cultivation

This FAQ contains examples of how-to information from various sources. GOE's training services include a much wider variety of topics.


A: Consider color, texture, odor, & location among other factors. More...

A: Take immediate action to prevent it from spreading and damaging your crop. More...

A: This might be due to medium, hydration, lighting, seed quality or sowing. More...

Technique & scheduling

Expanded Answers


Diseases and infestations in microgreens cultivation.
Question: How can I distinguish mold from normal root hairs?
Answer: When cultivating microgreens, distinguishing between mold and normal root hairs is crucial to maintaining a healthy crop. Here are some visual cues to help you differentiate between the two:

1. Color: Mold often appears as fuzzy patches or spots that are white, gray, green, or black, depending on the type of mold. Normal root hairs are typically white or light brown in color.

2. Texture: Mold usually has a fuzzy or cottony texture, while root hairs are thin and thread-like.

3. Location: Mold tends to grow on the surface of the growing medium or the roots themselves, forming visible colonies. Root hairs, on the other hand, emerge from the roots and are distributed evenly throughout the growing medium.

4. Odor: Mold may emit a musty or unpleasant odor, especially when it's growing unchecked. Healthy root hairs typically do not produce any noticeable odor.

5. Growth Pattern: Mold can spread rapidly and may cover large areas of the growing medium or roots. Normal root hairs grow in a more uniform and orderly pattern.

6. Persistence: If you attempt to wipe away suspected mold and it quickly returns, it's likely mold. Root hairs won't regenerate as quickly.

Regular monitoring and prompt action are essential for managing mold in microgreens cultivation. If you suspect mold, it's best to remove affected plants or areas immediately to prevent further spread. Additionally, maintaining proper airflow, humidity levels, and sanitation practices can help minimize the risk of mold growth.
Question: Once mold is discovered during cultivation of microgreens, what treatments are available?
Answer: When mold is discovered during the cultivation of microgreens, it's essential to take immediate action to prevent it from spreading and damaging your crop. Here are some treatments and strategies you can use to address mold:

1. Remove Affected Plants: If only a few plants are affected, carefully remove them from the growing tray to prevent the mold from spreading to healthy plants.

2. Improve Air Circulation: Mold thrives in moist, stagnant environments. Increase air circulation around your microgreens by using fans or ensuring proper ventilation in your growing area. This helps reduce humidity levels and inhibits mold growth.

3. Adjust Humidity Levels: Mold growth is often exacerbated by high humidity. If your growing area is too humid, consider using a dehumidifier to lower moisture levels.

4. Reduce Watering Frequency: Overwatering can create ideal conditions for mold growth. Allow the growing medium to partially dry out between waterings to discourage mold formation.

5. Use Hydrogen Peroxide: Hydrogen peroxide can be used to control mold growth in the growing medium. Dilute food-grade hydrogen peroxide with water (typically a 3% solution) and apply it to the affected areas. However, be cautious with the concentration and frequency of application, as high levels of hydrogen peroxide can harm plant roots.

6. Apply Neem Oil: Neem oil is a natural fungicide that can help control mold and other fungal diseases. Dilute neem oil according to the instructions on the product label and apply it as a foliar spray to affected plants.

. EXPERTS ONLY: Apply Beneficial Microorganisms: Some beneficial microorganisms, such as Bacillus subtilis or Trichoderma spp., can help suppress mold growth by competing with harmful fungi for resources. You can apply these beneficial microbes as a soil drench or foliar spray according to the manufacturer's instructions.

8. Improve Sanitation Practices: Keep your growing trays, tools, and equipment clean and sanitized to prevent the introduction and spread of mold spores.

9. Adjust Growing Conditions: Ensure that your microgreens are grown in optimal conditions, including adequate light, temperature, and pH levels. Healthy plants are more resistant to mold and other diseases.

10. Monitor Closely: Regularly inspect your microgreens for signs of mold or other issues. Early detection allows for prompt intervention and minimizes the impact on your crop.

Remember always to follow product instructions and safety guidelines when using treatments and remedies to control mold in your microgreens cultivation. If mold persists despite your efforts, you may need to consider starting fresh with new seeds and growing medium to prevent further contamination.
Question: What causes bare patches in seeded areas?
Answer: Bare patches in microgreens can result from several factors:

1. Uneven Seed Distribution: If seeds are not evenly distributed across the growing medium, some areas may have sparse or no growth.

2. Inadequate Light: Insufficient light can cause uneven growth or bare patches, as microgreens require adequate light for photosynthesis.

3. Improper Watering: Uneven watering or overwatering can lead to poor germination or damping off, resulting in bare patches.

4. Poor Seed Quality: Low-quality or old seeds may have lower germination rates, leading to uneven growth.

5. Pests or Diseases: Pest infestations or diseases such as fungal infections can damage or kill seedlings, causing bare patches.

6. Competition from Weeds: Weeds can compete with microgreen seedlings for nutrients, water, and light, leading to bare patches if not properly managed.

To address bare patches, ensure even seed distribution, provide adequate light, water properly, use high-quality seeds, monitor for pests and diseases, and manage weeds effectively.

Technique & scheduling

How to plant, cultivate and harvest.
Question: How long is too long? (New section placeholder)