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We love wheatgrass! Use for wheatgrass, sprouted wheat bread, milling, or short sprouts.
Commercial wheatgrass growers usually prefer hard red spring wheat, since it grows slightly taller than hard red winter wheat.
Larger seed such as sunflower, buckwheat, microgreen salad mix, wheat and peas should be washed then soaked in water for 6 – 12 hours prior to seeding. Drain, rinse and drain the seed after soaking.
Add water to top of the bag (or each tray) 12 hours ahead of use until almost fully hydrated. Rehydrate the bag as necessary. If you were to put the soil in your hand and squeeze it, you should not be able to get much more than a drop of water out of it for the perfect moisture content. If you want to mist the seed after putting it on the soil, reduce the water hydration of the bagged soil a bit.
TIP: To check for overwatering, tip the tray to one end. Water should not pool enough to drip out of the tray.
Use a tray with holes. Fill with 3/4-1.5” of soil. The closer to the top of the tray the better aid to air circulation. Use a block or your hand to smooth and flatten the soil without compacting it. The back of a tablespoon or spatula smooths out the valleys. You can wait to put the tray without holes under until after unstacking/uncovering or add it to the bottom now.
TIP: Place a layer or two of paper towel on the bottom of the tray before adding soil for easier cleanup.
Spread the soaked seed evenly over the soil in the tray. The seeding density depends on the stage at which you’re planning to harvest. You should have one layer of seeds, side by side and mostly not overlapping. Spread out any clumps with a spoon or your hands. Sow slightly less seed for 2-3 week microgreens.
Doing away with soil as a seed cover decreases the work and time it takes to grow the greens. If stacking the trays on top of each other, use a cover directly on the seed like parchment paper, a plastic sheet or wet unbleached paper towel layer. When not stacking trays, the seed will need protection from drying out by using a dome/lid. Use a clear dome or an inverted 10 x 20” tray without holes. For smaller trays, use several layers of unbleached paper towels folded onto itself with or without a plastic sheet covering the top.
TIP: Most microgreens will grow taller when you keep the light out at the beginning, but this may make the stem weaker. Most seeds germinate in the light no problem.
Stacking helps to quickly force the roots into the soil, provides darkness, promotes even germination/growth. Stack 2-5 filled trays on top of each other with an empty tray on the top of the stack with a weight in it. Check at least once a day to see if the trays need water. Stack for 3-5 days. Sunflowers stay stacked the longest -5 days. Put no holes trays under the soil filled holed trays.
After 2-5 days, the microgreens should be ready for light. If the microgreens begin to get quite tall and leggy, this is an indication that they may need a bit more light.
Check the seed once or twice daily and water as needed. The soil should be moist, not wet. Once trays are unstacked, add water from below into the no holes tray as necessary.
Sunflowers, buckwheat, and wheat grass is usually harvested around 9 to 10 days with scissors or a sharp knife. Make sure microgreens are not damp before storing. If needed, you may use a small fan or salad spinner to dry the microgreens before storing in a sealed container in the fridge.
Instead of harvesting all at once, you can start to harvest microgreens as soon as the first two leaves are spread out. Take only what you need for your meal and allow the rest to keep growing or put the tray in the fridge loosely covered and a plastic bag or dome to harvest another day. Water as necessary.
Microgreens make everything better, so have fun with them and add them to your favourite dishes!