For most standard microgreens, plan on one harvest. University of Maryland Extension specifically notes that harvested microgreen seedlings do not regrow after the crop is cut.
Why microgreens are usually a one-cut crop
Microgreens are harvested very young, typically just as the first true leaves are emerging. Cutting at that stage removes most of the young plant’s usable shoot growth, so the tray is normally finished after harvest.
Baby greens are different
Maryland Extension distinguishes baby greens from microgreens: baby greens are grown larger and can often be cut and allowed to regrow for one or two additional harvests. That is a different production stage and spacing strategy.
What to do with the tray after harvest
- Remove the harvested root mat and remaining stems.
- Wash and clean reusable trays.
- Compost organic growing media when appropriate.
- Start a new batch rather than waiting for a second microgreen harvest.
Can any crop send up more growth?
Individual plants may sometimes push new growth depending on species and where they were cut, but that is not a reliable production method for a dense microgreen tray. For planning purposes, treat microgreens as a one-harvest crop.
Next: use the Grow Log to track sowing and harvest dates for repeat batches.
Source: University of Maryland Extension, “Growing Microgreens and Baby Greens Indoors.”
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