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Coir & preparation · WITH SPRIG

Why do seed hulls remain on coir-grown microgreens?

Check seed type and emergence conditions. Persistent hulls may complicate harvest, but aggressive removal can damage a tender crop.

Teral grower guidance · Updated 27 October 2026

Sprig, Growlab character guideSprigYour coir & preparation guide

THE COCOPEAT CONNECTION

Why the root zone matters

A uniform coir surface helps emergence, while hull release also depends on the seed and environment.

01 / OBSERVE

Three checks before you change anything

  1. Compare hull retention between seed lots and varieties.
  2. Review moisture conditions around germination and emergence.
  3. Check whether the sowing procedure matches the crop’s requirements.

02 / NARROW IT DOWN

Which pattern is strongest?

Choose the closest observation for a suggested next check.

One seed lot retains more hulls

Discuss seed quality and handling with the supplier and compare a small lot trial.

Dry tray edges have more hulls

Improve even germination conditions while avoiding prolonged saturation.

All trays show the same issue

Review the crop-specific emergence method before changing the substrate.

03 / TAKE THE NEXT STEP

Leave with something useful

Record hull retention and damage during a small handling trial.

Keep in mind

Do not use improvised chemical treatments to strip hulls from an edible crop.

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