It's probably too late, but this method is worth a shot to try. You could wrap the damaged part with some 3M Micropore surgical tape. It hold moisture and breathes well. Just spray it with a weak strength fertilizer.
Sensi Super Skunk Reviewed by Sensi Super Skunk on . HELP MY LITTLE PLANTS STEM HALVE SNAPED HELP MY LITTLE PLANTS STEM HALVE SNAPED wot can i do and by the way this hapened because u know the straw thing to hold the stem with a slit straw this is ur thought i was takeing the straw off and it closedand cut into the stem and its now halve snaped and the straw is onb again to hold it up if it dies when i find u u better hope for death Rating: 5