SuNutri
SuNutri
beginnerbrassicas

Mustard Microgreens

Brassica juncea

Spicy, pungent flavor with wasabi-like heat. Available in green, red, and purple varieties.

Days to Harvest

6-10

Optimal Temp

68°F

Height

1.5-2 inches

Yield/Tray

6-8 oz per 10x20 tray

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Growing Parameters

Soak Required

No soaking needed

Blackout Days

2 days

Light Hours

12 hours/day

Temperature Range

60-70°F (15-21°C)

Humidity

40-60%

Seed Density

0.75 oz (21g) per 10x20 tray

Preferred Growing Medium

coco coirsoilhemp mat

Watering

Bottom watering

1-2 times daily

Growing Timeline
Day 0: Sow SeedsStart
Days 1-2: Blackout PeriodUnder weight
Days 3-6: Light PeriodUnder lights
Days 6-10: 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: 6-8 oz per 10x20 tray
Step-by-Step for Mustard
1

Prepare & Sow

No pre-soaking needed. Fill tray with moistened coco-coir. Spread 0.75 oz (21g) per 10x20 tray 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 2 days. Check daily and mist if dry. Maintain 60-70°F (15-21°C).

3

Light Period

Remove cover and move to grow lights. Provide 12 hours of light daily.Bottom watering. Water 1-2 times daily. Maintain 40-60% humidity with good airflow.

Harvest

Harvest in 6-10 days when 1.5-2 inches tall. Cut just above the soil line with sharp, clean scissors. Store in Store dry in breathable container for up to 10-14 days refrigerated.