SuNutri
SuNutri
intermediatespecialty

Amaranth Microgreens

Amaranthus spp.

Stunning red/magenta color with mild, earthy flavor. Showstopper for garnishing.

Days to Harvest

10-14

Optimal Temp

72°F

Height

1.5-2 inches

Yield/Tray

4-6 oz per 10x20 tray

Back to All Microgreens
Growing Parameters

Soak Required

No soaking needed

Blackout Days

3 days

Light Hours

12 hours/day

Temperature Range

70-80°F (21-27°C)

Humidity

50-60%

Seed Density

0.5 oz (14g) per 10x20 tray - seeds are tiny

Preferred Growing Medium

soilcoco coir

Watering

Bottom watering or very gentle misting

1-2 times daily

Growing Timeline
Day 0: Sow SeedsStart
Days 1-3: Blackout PeriodUnder weight
Days 4-10: Light PeriodUnder lights
Days 10-14: Harvest WindowReady!

Harvest Tips

  • • Cut just above the soil line with sharp scissors
  • • Harvest when cotyledons are fully expanded
  • • Expected height at harvest: 1.5-2 inches
  • • Typical yield: 4-6 oz per 10x20 tray
Step-by-Step for Amaranth
1

Prepare & Sow

No pre-soaking needed. Fill tray with moistened soil. Spread 0.5 oz (14g) per 10x20 tray - seeds are tiny evenly across the surface. Press gently and mist thoroughly.

2

Blackout Period

Cover with inverted tray and add 5-15 lbs of weight. Keep covered for 3 days. Check daily and mist if dry. Maintain 70-80°F (21-27°C).

3

Light Period

Remove cover and move to grow lights. Provide 12 hours of light daily.Bottom watering or very gentle misting. Water 1-2 times daily. Maintain 50-60% humidity with good airflow.

Harvest

Harvest in 10-14 days when 1.5-2 inches tall. Cut just above the soil line with sharp, clean scissors. Store in Handle very gently, store dry for up to 7-10 days refrigerated.