individual bud flushing?

Hi I have 2 la diva plants in my aerogarden they sprouted within a week of each other. Im using the 3 part liquid ultragrow nutes. One of the plants needs more time and one has a cola that looks almost ready( maybe a week or 2). The one with the riper cola needs more time on the canopy buds. Does anyone have a suggestion. I also had a thought...

Would I be able to cut off the ripe main cola with some branch and transplant it to a cup of water for a few days to week to flush it. Almost like what you do with a flower.

You guys are always very informative and helpfull.. sorry for being such a noob.. we all have to start somewhere lol

You CAN Cut the TOP half of the PLANT and leave the BOTTOM to ripen for another week or two. DO NOT CUT A STEM OFF AND SET IT IN WATER. If you CUT IT, DRY IT. If not, LEAVE ANY undone buds to ripen on plant.

Yep we sure do.
You can do it but not that way. One week before taking the bud you want flush. Take what you want then add your nutes and finish the rest.
Putting a cut off bud in a glass of water will not work.