Quote:
Originally Posted by hovermother22
I start my tomato and pepper seeds on a heated seed mat. I was under the impression that they do not need light until they break through the surface and begin to sprout
. I use a plastic 72-cell seed-starting tray. This is my dilemma: Seeds germinate at a different rate. At what point do I put them under the lights? Will I do damage to the seeds that have not broken the surface yet if I put them under the lights so that the seeds that have popped can benefit from light and to avoid legginess in those that have popped?
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I put mine under lights the minute I see the"elbow" of the seedling breaking the soil. Tomato seeds don't need light, but don't mind light either. I have a gentle fan on them at that moment also. Fan stays on 24/7. Light is on during waking hours, off at bedtime.
Leggy seedlings are weak seedlings, and they will get leggy stretching for light.