The Hobby Greenhouse Assoc we belong to does a group buy in late March. Many of the plants are very small plugs they come in cells or open flats. Some have 600-800 plants to an open flat the cells are 300-500 per very small cell pack. The prices are extremely good but you aren't getting much more than a started seed especially in the open flats. Some of them don't even have their true leaves yet. We have a pretty good record of transplanting them into larger cells. Don't loose many of them. Takes me hours to do it.