Dividing large water lilies
1 Lift the basket containing your water lilies from the water and place it on a bench or plastic sheeting at the side of the pond. 2 Divide the rootballs using a sharp garden knife. Make sure each healthy division has its own roots and growing shoots. 3 Add fresh aquatic compost to the basket and place the new plant in the centre, filling around it using the rest of the compost. 4 Start the lilies off in shallow water (stand the basket on a brick or stone) and move them deeper after a couple of weeks.…