How long should I leave plants in solo cups before I should transplant?

iamKingBravo said:

oh and don’t judge me for looking at an old post for current questions

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Growbag22 said:

I plant in clear cups and put the clear cup is side a colored cup. Both cups have holes in them. I can take the clear cup out and look at the roots without hurting the to see if they're ready.View attachment 4891351View attachment 4891352

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bigsteve said:

When a seedling first goes into dirt all it does is grow the rootball. Until the roots hit the inside walls of the pot
there will be little or no growth above ground. As soon as the roots hit the sidewalls you will see explosive vertical growth.
That is the start of vegging mode. Seedlings grow roots, veggers grow vegetation.

BigSteve.

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