Welcome to the GROW Experiment section!

Experiments(Last edited )

In this topic you can ask questions, share your experiences, and meet others taking part in the GROW Polycultures v Monocultures Experiment.

What is the Great GROW Experiment?

Polycultures  - growing several crops together at the same time and in the same place  - can offer lots of benefits, but there has been relatively little scientific research into combinations of three or more crops. The GROW Experiment aims to compare harvest quality and yields from three crops grown together in a polyculture with each crop grown separately in a monoculture. For more on why we are doing this Experiment visit: about the Experiment. You can also find out more about how the Experiment was designed on our Medium Blog: how did we design the Great GROW Experiment?

What is involved?

Anyone in the world can take part in the GROW Experiment. You will need a minimal growing space of a 1-metre x 5-metre strip or a 2 metre by 3-metre block and seeds of climbing green beans ‘cobra’, spinach ‘matador’ and radish ‘cherry belle’. A complete list of what you need and how to set up the Experiment is available at: how to set up the Experiment. When you can take part will depend on your climate but for the northern hemisphere the Experiment can be started between March and June. During the experiment we will ask you to:

  • Describe your growing site
  • Tell us the dates when you planted your seeds or seedlings
  • (Optional) Measure your soil nutrients and pH using a free soil testing kit if you are in Europe
  • Share information about your harvests
  • Measure your soil texture

How can I take part?

You can find out more about the Experiment and sign up here. Check out stories from GROWers on our Medium blog or on social media using #GROWExperiment

I have a question about the GROW Experiment

Check our FAQ, post a question below or email us if you have questions about the GROW Experiment.

Let’s get GROWing!

With warm wishes, Naomi, Victoria, Alice, Raquel, Gerid, and the GROW Observatory team email: science@growobservatory.org

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