Jade plants need full sun in order to grow properly and need to be drained well. Allow the soil to dry out completely before each watering. Softening leaves indicate it’s time for more water. cast iron plants can handle low light, extreme temperatures and can survive for a good length without water. However, It’s still a good idea to keep the soil moist for healthy growth by watering every 2-3 weeks.
Houseplants In Bottles: How To Grow Plants In Water - Growing plants in water, whether houseplants or an indoor herb garden, is a great activity for the novice gardener (great for kids!), people with limited space or an aversion to messy dirt, and those who are plant watering-challenged. This method for growing plants is not only low maintenance, but disease and pest resistant.