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Best Shallow Trays for Growing Microgreens At Home

Vertical Farmer

Best Shallow Trays for Growing Microgreens At Home

When you’re planting microgreens, the tray you’re planting in is arguably one of the most valuable elements of the grow process.

It’s meant to hold all your soil and seeds while efficiently draining water.

Why wouldn't you invest in quality trays?

When it comes to commercial production, 10”x20” trays are typically the industry standard (they’re also our preferred dimensions for propagation trays as well).

In this article we’ll be quickly reviewing Bootstrap Farmer’s 10”x20” trays – specially, their Mesh, Extra Strength Shallow trays.

The Mesh Screen

The most notable thing about these trays (other than their durability, which we’ll get to in a little bit) is the insane amount of drainage holes at the bottom!

Initially, when starting with these trays, we figured that it’d be a problem – both with soil retention and drainage.

We figured soil would slowly leak away from the bottom, bit by bit with every watering.

Arugula Microgreens

It didn’t take too long to figure out that our assumptions were wrong.

These trays hold in our soil medium perfectly, with very minimal soil draining through when watered. It does an excellent job of retaining moisture in the tray for about a day or so.

The abundant holes deliver.

Durability

The next most notable feature about these trays is their “extra strength”.

If you’ve ever worked with cheap, flimsy trays, you probably know how easy it is to crack, chip, and break trays.

Some can be hard or nearly impossible to handle single-handedly, and others just warp and bend drastically over time.

Having tested out trays of all shapes, sizes, and materials, we can say for certain that it’s not worth saving a few bucks and buying cheap microgreen trays. Tray costs easily add up.

Going back to these 10”x20” mesh trays from bootstrap farmer – they’re definitely as durable as advertised. Over the course of three or so years, none of our (~100) mesh trays have broken or cracked.

10"x20" Mesh Microgreen Tray

A few do have chips along the corners / sides, but they’re all still 100% usable.

These trays get a 10/10 from us in terms of durability and longevity!

Drainage

Alright let’s go back to the most notable feature of this tray again, real quick. The mesh screen.

Obviously, the added holes help drain water faster than other 10”x20” microgreen tray designs, such as these (which are also GREAT trays for certain crops / situations).

Broccoli Microgreens

Faster drainage isn’t always the best / preferred for every type of microgreen crop, but it really helps with certain crops like Cilantro, Basil, Amaranth, Broccoli, etc.

Some crops just don’t prefer to be sitting in water as longas others.

Mesh vs. Conventional Propagation trays

Fenugreek Microgreens

Considering the fact that you’re only shopping for sturdy durable trays, drainage is going to be the main separator between the two designs.

We found that certain crops perform better with the mesh trays vs. trays with the conventional hole design (short, thin slits).

Though it could vary depending on the batch / variety of seed you end up with (we prefer trueleafmarket for organic seeds), here are the crops that we’ve found to perform better with improved drainage:

-         Broccoli

-         Basil

-         Cilantro

-         Onion

-         Red Amaranth

-         Kohlrabi (Purple Vienna)

Now, Get to Planting!

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