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Growing microgreens


April 11, 2023


Searles Gardening Team

Microgreens are a fast and easy way to add more greens to garnish your favourite dishes. Plus, they don’t take up much room and within a few weeks of sowing seeds, microgreens will be ready to harvest and enjoy.

Mizuna, rocket, cress, pea, bean, cabbage rubies, and commonly seed packets labelled micro greens are perfect to grow. Ensure seeds are not treated by an insecticide or fungicide, as microgreens are eaten very young.


If you choose to grow them at a windowsill or on patios, position them where they will receive bright indirect sunlight. Use seedling trays or small plastic pots filled with Searles Seed Raising Mix. This mix contains a starter fertiliser and a light, fine textured soil for excellent aeration to create high germination strike rate and establish good root growth.

To add a little extra nutrient for continued growth, water soil with a dilution of SeaMax Organic Fertiliser. Once the mix has drained, sprinkle seeds evenly over the top of the soil. Lightly sprinkle extra soil to cover the seeds, remember not to bury the seeds too deep and mist spray to moisten the top soil.

Ideally, the mix should remain moist during germination and early period of growth. Some trays can be purchased with a clear lid.


For successful seed germination and healthy stem and leaf growth, keep soil moist consistently by a light misting or gentle watering daily right through to harvesting.


Germination period will be noted on the seed packet, but generally most seedlings appear between 7 to 14 days. Once spouts are at desirable height for harvesting, with a clean, sharp blade or preferably kitchen scissors, cut sprout stems just above the soil line. No new sprouts will germinate once harvested, but when the tray is completely harvested, turnover the soil and start again with a new packet of seeds.