It’s been 17 days since I’ve had these clones, when I got them he said he just clipped them and put them in solo cups a couple days before I got them from him.
My question is- how do you determine how old they are? Meaning weeks? I just want to know when I should start giving nutes and how far down the line I go before flipping lights to 12/12 for flower
Good morning. Technically your clones are whatever age the Mother plant(s) are/were. For me a bigger question is the root system. Once you’ve got an established root ball depending on your soils current nutrient level you could theoretically start feedings. Read the runoff with a tds pen to determine. If the nodes (branches) are staggered the clones are likely sexually mature and can be flipped at your choice of growth heights.
Different strains will ‘stretch’ after the flip to 12/12 flowering and may double in height so a lot of growers focus on available height in their grow spaces.