Trayfilling: the start of your strong crop


Tray filling is more than just a technical step in your process. It is the moment where you, as a grower, take control over the foundation of your crop. The more evenly the tray is filled, the more consistently the plants will develop. Especially when working with high volumes and mechanical handling, a stable and uniform base is essential for the best results.

The benefits of your own substrate, combined with those of a propagation plug. With Growcoon, tray filling becomes part of a controlled process. The biodegradable plug fits perfectly into the tray cell, keeps the substrate in place, and forms the basis for healthy root development. Whether you are working with fine cutting soil, coarse sand, peat-free mixes or another type of substrate — your Growcoon holds everything together without restricting the roots. On the contrary, it encourages fine root branching, which leads to strong root growth.

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Your crop x Your system

Growcoon fits your system

Growcoon is designed to fit directly into standard or customer-specific propagation trays. During tray filling, the mesh is placed, either manually or automatically, into the tray cell where it fits perfectly with the contours of the cell. Read more about this in the 'perfect fit' section. This creates a plug that is stable and protected, ready for cuttings or seeds. Thanks to the open mesh structure:

  • Air, water and nutrients are delivered effectively to the right place
  • The substrate stays neatly in the cell without spilling or loss
  • It is possible to use a looser and more sustainable substrate compared to traditional plugs

Growcoon supports a wide range of substrate strategies. You are not tied to a fixed mix but choose what fits your crop, your climate and your end customer. The perfect combination of your crop, your system and your innovation. Be sure to contact the team at Klasmann-Deilmann for expert advice on your substrate strategy.

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Just right

A plug that stays in place and then disappears

Growcoon provides stability at the right moment and disappears when it is no longer needed. The plug remains intact during tray filling, transplanting and transport. But as the root system develops and microorganisms do their work, Growcoon slowly breaks down. Completely biodegradable. This means:

  • No plastic residue in the substrate or soil
  • No restrictions for organic cultivation or export requirements
  • No waste in your system

And because Growcoon is shaped for your tray, you avoid air pockets or uneven substrate distribution. Each cell receives exactly what it needs. Not too loose, not too compact, but just right.

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Easy to automate

Less work, more control

Filling trays with Growcoon makes the whole process smoother and more predictable. Plugs remain stable during handling, are easy to manage by both people and machines, and promote strong root development without delay. This results in benefits at multiple stages:

  • Faster tray filling with less rework
  • Lower failure rates due to an even start
  • Better compatibility with plug dispensers, cutting robots, and further automation
  • Less substrate waste, which means lower costs and less cleaning

The tray filling dispensers ensure an even and fast placement of Growcoons directly into the trays. This means less physical strain, fewer errors, and consistent quality from start to finish. Whether you work with plugs, cutting robots, or fully automated lines, the Growcoon dispensers integrate seamlessly into your process.

Exclusive sales partner

Klasmann-Deilmann

It’s impossible to get a result without a good substrate, which is why Growcoon and Klasmann-Deilmann have joined forces. Klasmann-Deilmann is the market leader in substrates, so its experts know exactly what your crop needs. They work with you to maximise yields from your cultivation. When you decide to switch to the Growcoon, they can help you on your way.

Request a free trial kit now

If you’d like to find out what the Growcoon can do for you, request a free trial kit. Together, we’ll determine which Growcoon is best for your system. We’re happy to help.