Microgreen Seed Density Charts

Updated: Apr 27


Microgreens are becoming increasingly popular, allowing growers the opportunity to expand further into existing markets or to venture into new markets.  From farmers markets to local restaurants and chefs, microgreens are perfect for enhancing salads or using as a garnish. By definition, microgreens are tiny plants with only their first leaves developed. Most varieties are harvested at 8-14 days and while they may be smaller and more delicate, they are also more robust and flavorful. The CropKing microgreen growing system is a cost-effective and efficient way to maximize production while ensuring high quality.

*All weights are for an 10"x20" tray


Soaking Seeds (large seeds)

  • To soak the microgreen seeds, a plastic kitchen storage container works well

  • Use cold water (always pH balanced)

  • Refrigerate in warm weather

  • Soak for 8-12 hrs typically.

  • Fill the container with enough water to rise above the seeds ¾” to 1”. The seeds will swell as they absorb water, and you’ll want to be sure they stay below the water line.

Soaking the Burlap Grow Mat Plan to put the mat in the day before you plant. Once you know how many total channels/trays of microgreens you’ll be planting.

  • Fold and place burlap mat in a soaking tub.

  • Fill the tub with water until it’s completely covers mats.

  • Cover and soak overnight.

EASIEST TO GROW

Arugula

Seeding Rate:  0.7 oz

Pre-Soak:  No

Blackout Time:  1-3 Days

Estimated Time to Harvest:  8-14 Days

Broccoli

Seeding Rate:  1.0 oz

Pre-Soak:  No

Blackout Time:  2-3 Days

Estimated Time to Harvest:  10-14 Days

Buckwheat

Seeding Rate:  12 oz

Pre-Soak:  Yes

Blackout Time:  3-4 Days

Estimated Time to Harvest:  8-12 Days

Cabbage

Seeding Rate:  1.0 oz

Pre-Soak:  No

Blackout Time:  2-4 Days

Estimated Time to Harvest:  8-12 Days

Chia

Seeding Rate:  1.0 oz

Pre-Soak:  No

Blackout Time:  2-3 Days

Estimated Time to Harvest:  8-12 Days

Kale

Seeding Rate:  1.0 oz

Pre-Soak:  No

Blackout Time:  2-4 Days

Estimated Time to Harvest:  8-14 Days

Kohlrabi

Seeding Rate:  0.7 oz

Pre-Soak:  No

Blackout Time:  2-4 Days

Estimated Time to Harvest:  8-14 Days

Mustard

Seeding Rate:  0.7 oz

Pre-Soak:  No

Blackout Time:  2-4 Days

Estimated Time to Harvest:  8-12 Days

Sunflower

Seeding Rate:  9.0 oz

Pre-Soak:  Yes

Blackout Time:  2-4 Days

Estimated Time to Harvest:  8-14 Days

Wheatgrass

Seeding Rate:  16.0 oz

Pre-Soak:  Yes

Blackout Time:  2 Days

Estimated Time to Harvest:  8-10 Days

AVERAGE DIFFICULTY

Celery Leaf

Seeding Rate:  0.75 oz

Pre-Soak:  No

Blackout Time:  6-8 Days

Estimated Time to Harvest:  18-21 Days

*Slow to germinate and emerge

Popcorn

Seeding Rate:  8.0 oz

Pre-Soak:  Yes

Blackout Time:  6-10 Days

Estimated Time to Harvest:  6-10 Days

*Keep in the dark for full 6-10 days to harvest

Fennel

Seeding Rate:  1.0 oz

Pre-Soak:  No

Blackout Time:  3-5 Days

Estimated Time to Harvest:  14+ Days

Leek

Seeding Rate:  2.0 oz

Pre-Soak:  No

Blackout Time:  3-5 Days

Estimated Time to Harvest:  12-14 Days

*Seed heavy

Peas

Seeding Rate:  12.0 oz

Pre-Soak:  Yes

Blackout Time:  3-5 Days

Estimated Time to Harvest:  8-14 Days

*Use plenty of water when soaking seed, they are extremely absorbent

Sorrel

Seeding Rate:  1.0 oz

Pre-Soak:  No

Blackout Time:  3-5 Days

Estimated Time to Harvest:  12-16 Days

*Keep seeds in freezer to help with germination rates

HARDEST DIFFICULTY

Amaranth

Seeding Rate:  1.0 oz

Pre-Soak:  No

Blackout Time:  3-6 Days

Estimated Time to Harvest:  8-14 Days

*Prefers warmer environment, sensitive to direct light

Basil

Seeding Rate:  1.0 oz

Pre-Soak:  No

Blackout Time:  4-7 Days

Estimated Time to Harvest:  14-18 Days

*Spray through to establish root

Beets

Seeding Rate:  2.0 oz

Pre-Soak:  Yes

Blackout Time:  6-8 Days

Estimated Time to Harvest:  10-14 Days

Chard

Seeding Rate:  2.0 oz

Pre-Soak:  Yes

Blackout Time:  4-7 Days

Estimated Time to Harvest:  10-14 Days

Cilantro (Coriander)

Seeding Rate:  2.0 oz

Pre-Soak:  No

Blackout Time:  6-7 Days

Estimated Time to Harvest:  21-28 Days

*Keep medium moist throughout black out period, prefers cooler temperatures

Download a printable chart!

If you enjoyed this, you might also enjoy these post:

"Colorful Microgreen Varieties"

"Growing microgreens at home"

#microgreens #microgreen #microgreenseed #microgreenseeds #growingmicrogreens #soakingseeds #Germination #seeddensitychart

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