Water lillies need half a day of sunshine
every week you should water them
Water lilies provide food for fish. They need pollinators to make seeds. Water lilies are perennial plants.
Most lilies need full sun, at least a half day of light, but also like to be mulched to keep the roots cool. Lots of info on lilies at http://www.thelilygarden.com
Calla Lilies don't particularly need very much water. It really depends where the plant is located whether it be outside or inside.
According to B&D Lilies, 'After Eight' Lilies need to have a minimum of 6 hours of sun. If you're in very warm region make sure the lilies are in a place where they get "dappled shade".
Tiger lilies can grow in the shade but for best results it is recommended that they get some sun. Tiger lilies are a forgiving plant that usually does well in part shade or full shade but they do prefer to have a few hours of sun everyday.
no light is good, but you also need water and not just light
If you live where the temperature drops below freezing in the wintertime and have a small pond, you will need to store your water lilies to prevent them from freezing. If your pond is over six feet deep, you can leave them in your pond, but if not, you will need to remove the plants and bring them indoors. You can store them in a basement or storage closet as long as they are completely covered with water. They should be in a covered container, so that the light does not stimulate them to grow. After the last frost, you can return them to your pond.
Calla lilies are hardy, popular garden plants that need their own special care. Calla lilies grow well in many zones, but they are originally from tropical marshlands. Therefore, they need frequent watering and do well in partial shade. Also, they need bi-weekly feeding either through liquid fertilizer in water or compost in soil during periods of very active blooming. If growing calla lilies in a pot, however, they do not need as much fertilizer. Calla lilies reproduce by making more bulbs, so gardeners need to dig up the extra bulbs and either dispose of them or give them to others.
Mushrooms do need water but are not dependent on light.
im not sure how much light you need but it needs sun light just like us we need sun light because it gives are body's vitamin D so you need just the right amount of sun and right amount of water if theres to much water the plant will die but if theres to much sun light it will die also so if that diden't tell you the anser see the discotion page for more information
Some plants need full sun such as roses, daylilies, and most grasses. Others need shade such as hosta, bleeding-heart, and lilies-of-the-valley. Some need something in-between such as foxgloves and ajuga.