Starting your journey into the fascinating world of microgreens? The first major step to becoming a successful microgreens grower is selecting the right tray for cultivation. The tray choice can make a significant difference in the health and yield of your microgreens. The color, design, size and material of the trays, among other factors, determine microgreen growth, making it crucial to select the most appropriate tray for your needs.
Highlighting the importance and role of trays in microgreens cultivation, this guide provides detailed recommendations and considerations to bear in mind when selecting your first microgreens tray.
1. Size of the Tray
Regarding microgreen cultivation, trays come in various sizes. One standard size for microgreens tray is 10″x20″. This size is perfect for beginners as it fits on most windowsills and under available grow lights. These trays offer enough capacity to provide a decent yield of microgreens for personal consumption. However, smaller trays, such as 5″x5″ or 5″x10″, are also available for those with limited space or who wish to grow only a small amount of microgreens.
2. Material and Design
Microgreen trays are typically made from plastic, metal or biodegradable materials. Most beginners prefer plastic trays, as they are affordable, light-weight, and reusable. One important design consideration is durability. Cheaper trays tend to be thin and may crack or warp over time with repeated use. Hence, investing in durable, heavy-duty trays can save costs over time.
3. Drainage
A crucial feature to look for in a microgreen tray is drainage. Drainage prevents water from staying stagnant in the tray and discouraging the growth of mold and bacteria. Some trays have built-in drainage holes, while others require you to manually make them. Nonetheless, for water-sensitive microgreens, trays without drainage may be beneficial if care is taken not to overwater.
4. Tray Orientation
Trays can either be flat or orientated towards an incline. Flat trays work best for beginners as they allow for equal water distribution. However, if trays don’t have proper drainage, an incline may work better as it helps excess water drain away from the plants.
5. Double Layering
Some growers prefer using a system of double layering, where two trays are used – one with drainage holes (upper tray) and another without (lower tray). The upper tray holds the growing medium and microgreens, and the lower tray catches any excess water that drains through.
6. Tray Color
Tray color can significantly impact the temperature of the growing medium and the roots. Light-colored trays reflect light, whereas dark-colored trays absorb light and generate heat. Depending on your growing conditions, choose a tray color that will maintain a favorable temperature for your microgreens growth.
7. Depth of Tray
The depth of the tray is dependent on the kind of microgreens you are planning to grow. Tray depths typically range from 1-4 inches. Smaller microgreens, like radish or broccoli, can be grown in trays as shallow as 1 inch, while larger microgreens, like sunflower or pea, require deeper trays with a depth of 3-4 inches.
8. Tray Lids or Domes
Tray lids or domes are beneficial for creating a mini-greenhouse effect, maintaining high humidity, and promoting the germination of seeds. They can be removed once the germination process is complete.
9. Biodegradable Trays
For the environmentally conscious, there are biodegradable trays available. These trays are made of organic materials like plant fibers, coconut coir or peat moss, and can be planted directly into the soil after harvesting the microgreens, thus eliminating plastic waste.
Keep in mind these recommendations when choosing your first microgreen tray. Selecting the right tray from the beginning not only sets off your growing journey on the right foot but also lays a solid foundation for your microgreens’ growth and development. With these guidelines in your hands, you will be well-equipped to make the best choice for your beginner’s microgreens tray.
Remember, the right tray fosters the right growth. Happy growing!
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