could be strain related; blueberry can take up to six weeks to root. if they are green, they are still alive and well; clones are very hardy and can take loads of abuse. just hang in there until you see nubs poking out of the rw, and then you're all set.
Scarlet Sky Reviewed by Scarlet Sky on . clone`s not rooting ? clone on 02.20.2007(17 day`s) and I have not root`s and the clone`s are not dead ! I used rockwool , cfl , Vita Grow Anti Wilt , heat mat & clone gel ....I spry whit just water and no Dome for the first 2 week`s I hade the light on 24/7 NO ROOT`S ! week 2 I switch the light`s to 18 on and placed in a wood box whit some clear plastic on top of the box(abut 7-8 day`s ) NO ROOT`S ! what is going on ?:( Rating: 5