Ya, my last clones took long to root. But once they did, they really took off. You never know, they grow on thier own. Be patient and see what happens. You are doing all the right stuff.

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Chiceh
Peace, Love & Weed

So it's been 3 weeks now and still nothing.

Whats the consensus, How long is too long ?

We have had them take up to a month with purple strains not sure if it is normal or not. I say if they are green and health then keep waiting. Could light be stopping the roots from showing? Just a thought I have had a few times. O do your clones have new growth? I have had that happen too. COuld not see any roots but got new growth so I planted it in soil and it took off in a couple days.

you should start letting them dry out a bit, i.e. clones begin to wilt, before watering again. this will encourage cutting to make roots. I find that after a week they will remain turgid without a dome even when they have no roots, this is when you can start letting them dry out a little.

just checked the date of OP last post - 11-13-2007, 01:58. I guess they've rooted now.
:P

Clones take 2 weeks to root, roots will be there after a week but ive found removing them for the propogater after only a week slows their overall growth. Leaving them in for the extra week makes all the difference.