How to Grow Lettuce Microgreens
Crop Name: |
Ruby Red, Gourmet Mix |
Sowing density (10x20 tray): |
10g |
Bury Seed: |
No |
Medium: |
Coco Coir or Soil |
Presoak: |
No |
Germination Time: |
1-2 days |
Grow Time: |
8-20 days |
True Leaf Emerges: |
Day 7 or Day 8 |
Total Weight/Blackout Days: |
6 days |
Weighted Blackout: |
3 days with stacked empty tray (without weight) |
Blackout Dome: |
3 days |
Top watering: |
Day 1 to Day 6 |
Bottom Watering: |
Day 7 to Day 20 |
Antifungal application: |
Not Required |
Expected Harvest weight: |
200g (20x times the weight of seed) |
Flavor: |
bitter |
Shelf Life: |
10 days |
Growing Notes: |
Can be very bitter in flavor |
Difficulty: |
Easy |
Things you need to grow Lettuce Microgreens
- 10g Lettuce seeds
- 10 x 20 Microgreens tray x 2 - without holes (watering tray and blackout dome tray)
- 10 x 20 Microgreens tray x 1 - with holes (planting tray
- Coco coir
- Grow lights (or sunlight)
Steps to grow Lettuce Microgreens
- Fill the planting tray (with holes) with coco coir to the top of the tray.
- Spread the Lettuce seeds as evenly as possible.
- Mist water some water to moist the seeds and the soil.
- Gently press the seeds to the soil using any flat material.
- Stack another 10x20 tray on top for the first 3 Days. Press gently to settle the tray and push the seeds to the soil. No need to add any extra weight on the tray.
- On Day 2, most seeds will be germinated.
- On day 4, keep the 10x20 tray flipped on top like a Blackout Dome for the next 3 days so the microgreens can stretch looking for light a little bit more.
- On day 7, introduce the Lettuce microgreens to light. From now on, water via the bottom tray.
- You can harvest from day 8 up to until day 20, depending on your need.
Tips on growing Lettuce microgreens
- One of the famous varieties of Lettuce microgreens is the Ruby Red.
- If you don’t have a 10x20 seed tray, you could use any container you like.
- If you are planning on using soil as the growth medium and it has sticks or clumps, make sure to get rid of the big ones.
- If you do not have grow lights, you can use the natural sunlight to grow your Lettuce microgreens. Just make sure they get enough light by placing them in a sunny windowsill or a south facing window.
Harvesting Lettuce Microgreens
Lettuce microgreens start germinating from the first day itself, and are ready for harvest from day 8 up to day 20. You can keep growing for 20 days.
A typical Lettuce microgreens harvest is expected to be 20x times the weight of the seed. For example, if you use 10g of Lettuce seeds, you can expect a harvest of about 200g
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