Fill with filtered water so the node is fully submerged, usually about 1/2-3/4, but leaves are free and above water. I put some rocks in the bottom, too. Put in a warm, bright location. Avoid direct sunlight.
Do plant cuttings need sunlight?
Keep your new plants warm and in bright light, but out of direct sunlight. Many cuttings will also benefit from added humidity. … Once the cuttings have developed roots — this can take a few days or a few months — replant them in another container with moist, but not wet, potting soil.
Do plants root better in light or dark?
PHOTORECEPTORS IN ROOTS
Roots grow in the dark soil to anchor the plant and to absorb mineral nutrients and water. It has been reported that light can penetrate less than several millimeters due to the rather high absorbance of soil (Woolley and Stoller, 1978).