Plant Prod - MJ Grow 6oz Plant Prod $14.99 Default Title - $14.99 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. Plant-Prod MJ™ Grow 12-8-26 is specifically formulated for the vegetative growth stage of cannabis plants..Available in 6oz powder. Download printable pdf MJ Grow Safety Data List HERE! Download printable pdf Plant Prod Feeding/Watering Schedule HERE!