SuNutri
SuNutri
beginnerbrassicas

Kale Microgreens

Brassica oleracea var. sabellica

Superfood powerhouse with mild, slightly sweet flavor. Much more tender than mature kale and perfect for those who find regular kale too tough.

Days to Harvest

8-12

Optimal Temp

68°F

Height

2-3 inches

Yield/Tray

6-8 oz per 10x20 tray

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Growing Parameters

Soak Required

No soaking needed

Blackout Days

3 days

Light Hours

12 hours/day

Temperature Range

60-70°F (15-21°C)

Humidity

40-60%

Seed Density

1 oz (28g) per 10x20 tray

Preferred Growing Medium

coco coirsoil

Watering

Bottom watering

1-2 times daily

Growing Timeline
Day 0: Sow SeedsStart
Days 1-3: Blackout PeriodUnder weight
Days 4-8: Light PeriodUnder lights
Days 8-12: Harvest WindowReady!

Harvest Tips

  • • Cut just above the soil line with sharp scissors
  • • Harvest when cotyledons are fully expanded
  • • Expected height at harvest: 2-3 inches
  • • Typical yield: 6-8 oz per 10x20 tray
Step-by-Step for Kale
1

Prepare & Sow

No pre-soaking needed. Fill tray with moistened coco-coir. Spread 1 oz (28g) 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 3 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 8-12 days when 2-3 inches tall. Cut just above the soil line with sharp, clean scissors. Store in Store in breathable container, keep dry for up to 7-10 days refrigerated.