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Microgreens Growing Project

Microgreens Growing Project

If you’re looking for a fun, kid-friendly gardening project that can be done indoors, I’ve got you covered! Let’s grow a container of microgreens right on your windowsill. It’s fun and a great learning experience, and your children will see how easy it can be to grow their own food without a garden.

Let’s grow some microgreens in a disposable aluminum loaf pan.

Microgreens Growing Project

Cilantro microgreens growing in a bowl

This project only requires a few items. The container can be a plastic produce box, an aluminum loaf pan sold at the dollar store, or something you may already have indoors. If you don’t have microgreen seeds but have a collection of old seeds, consider using them and growing a few different crops in one container.

Here’s what you need:

  • Disposable aluminum loaf pan or plastic produce box (i.e. mushroom box), egg carton, metal strainer, etc.
  • Use a plate or tray to catch any draining water from under the container.
  • Premoistened soil-less potting mix (I used pro-mix, consisting of peat moss, vermiculite and perlite). You can also use coconut coir. Don’t use potting mix or garden soil, as both are too heavy for delicate seedlings, and garden soil may contain microbes, parasites or funguses. You want your soil to be sterile to avoid introducing diseases or mold.
  • One or more varieties of seeds suitable for microgreens, i.e. sunflower seeds, peas, kale, broccoli, arugula, basil, radish, mustard, chrysanthemum greens (tong ho), carrots, etc.
  • Small piece of parchment paper, cut to size.
  • A small piece of plastic wrap to cover the container
Microgreens Growing Project

different microgreens in one container – rocket, cilantro, brassica mix


  1. Punch or cut holes into the bottom of your container to create drainage holes.
  2. Fill the container 3/4 full with your growing medium.
  3. Sprinkle seeds evenly over the surface of the soil. Try to separate any seed clumps, creating an even coverage with some spacing between the seeds.
  4. Label your seeds.
  5. Water the seeds just enough to moisten them. I use a gentle water stream or spray bottle. If the soil seems to have too much water, allow the container to drain excess water through the drainage holes, or drain excess water out the side by carefully tipping your container and allowing the water to spill from the corner.
  6. Cover the soil surface with your precut piece of parchment paper. This will help to keep moisture high around the seeds, encouraging germination.
  7. Cover the container with a piece of plastic wrap and set your container in a dark location.
  8. Check your little garden daily until the seeds have sprouted.
  9. Remove the plastic wrap, give the seeds a good spritz with water and place them in a sunny window or under grow lights.
  10. Begin snipping microgreens anytime after the cotyledon leaves have emerged and until the first true leaf develops.
  11. Water gently whenever needed. Enjoy!
Microgreens Growing Project

Pea shoot microgreens

Microgreens Growing Project

Basil microgreens

After harvest, compost the growing medium, and remaining microgreen stems and roots, thoroughly wash your container and start again. Microgreens can be stored in a container in the fridge for up to 5 days. A small piece of paper towel or kitchen towel lining the bottom of the container will help catch any excess moisture and keep your microgreens fresh for longer.

Are you ready to grow your own microgreens?

Happy Gardening!


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Julia Dimakos

Hi, I'm Julia from Mono, Ontario, Canada. I began my gardening adventure after having children. Since then, my interest grew into a passion. I love growing vegetables, herbs, flowers, fruit and medicinal herbs. I'm here to show you that growing your own food is not difficult and in fact can be simple.