Growing microgreens indoors gives you the flexibility to control environmental conditions all year round while ensuring a fresh supply of nutrients and flavors for your meals. Microgreens, young greens harvested just after the first leaves have developed, are quite popular among urban farmers and kitchen gardeners due to their ease of cultivation and high nutritional values in comparison to their mature counterparts. Choosing the best containers to grow these miniature greens is an important part of the process. So, let’s dive deep into the details of perfect planters for growing microgreens indoors.
## Shallow Trays or Containers
One of the most favored options for indoor microgreen gardening is shallow trays or containers. These containers should ideally be 1 to 3 inches deep, while the width and length can vary according to the available space. The depth is kept minimal because microgreens do not require a lot of space for root development, and deep containers may lead to unnecessary wastage of your growing medium.
When selecting shallow containers, watch out for trays made from food-grade plastic. These containers are safe and do not leach harmful chemicals into the soil and plants. Ideally, look for containers with drainage holes, as good drainage helps prevent root diseases.
## Seedling Starter Trays
If you’re growing multiple microgreen varieties at the same time, seedling starter trays can be an exceptional choice. These trays come with individual cells, generally ranging from 24 to 72. The separate cell structure allows for easy handling and transplantation of different varieties without disturbing the roots of nearby plants.
The cell size isn’t a considerable concern when growing microgreens as their roots aren’t as extensive. As such, opt for trays with a cell depth of 1.5 to 2.5 inches. The individual cells, coupled with the right depth, offer a perfect growing environment for different microgreen varieties.
## Biodegradable Pots
In the era of sustainable farming, biodegradable pots have gained special attention among indoor gardeners. Various materials, including peat moss, coconut coir, wood pulp, and even biodegradable plastic, are used to produce these containers.
These pots are popular because they can be directly planted in a larger container or the ground once the microgreens outgrow the available space, without disturbing the plant’s root system. While all biodegradable pots will eventually break down, some take longer than others. On average, they can maintain structure from three months to two years, depending on the material.
## Window Boxes
Window boxes offer exceptional growing conditions to microgreens, particularly in terms of access to sunlight, as these boxes are meant for windowsills. These containers are typically long and narrow, with ample depth for root expansion. With various sizes available, window boxes can accommodate a mass production approach or provide for hobby gardeners.
Since these boxes are designed for indoor use, they usually come in attractive designs, adding to the aesthetics of your home, besides providing nutritious greens. Many window boxes come with a drip tray which ensures that any water overflowing from the box does not spill onto your windowsills or other surfaces.
## Repurposed Containers
If you’re an environmentally conscious grower, reusing and repurposing can be a philosophy you live by. Old baking trays, plastic tubs, food takeout containers, and even wooden boxes can serve as excellent planters for growing microgreens indoors. Before repurposing, ensure these containers are thoroughly cleaned to avoid any cross-contamination. Additionally, create drainage holes in these containers if they don’t already have them.
Pro tip: If you’re using repurposed containers that don’t offer a lot of depth, fill them up only as far as necessary. This will ensure that your microgreens get the correct soil temperature during their growth phase.
## Considerations for Container Size and Type
The container size has a direct influence on the volume of your microgreen yield. If you’re growing microgreens for personal consumption, a 10″x20″ tray can provide an ample harvest. However, if you’re farming microgreens commercially, you will require multiple trays or larger containers to meet your requirements.
Choosing between different types of containers largely depends on your personal preference, available space, and budget. If you’re planning to grow microgreens on a large scale, it would be better to invest in good-quality, reusable plastics trays, as these can withstand multiple cropping cycles. Alternatively, if you’re a hobbyist, a small window box or individual biodegradable pots might serve you well.
## Plant Growing Medium
The choice of growing medium is just as important as the container itself. A high-quality soil mix that drains well and is rich in organic matter is the best medium for growing microgreens. In addition to potting soil, coconut coir, peat moss, and compost can be used as a growing medium. Your aim is to create an optimal environment for root development, nutrient uptake and moisture retention.
In conclusion, while selecting the best containers for growing microgreens indoors, consider factors such as the available indoor growing space, desired yield, ease of use, cost, and sustainability. This research will help you ensure the most favorable conditions for your microgreens, leading to a successful harvest and a bounty of flavor and nutrition added to your meals.
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