All plants need water to survive. However, like plants that require more water, there are plants that grow in lack of water. They are the best drought tolerant plants and can live without water for a long time.
Take small girls jean cutoffs, fill leg with 2 ltr. bottles. Cut top of bottles off at shoulder, and fill bottoms with plaster paris. Use Stiffy Bow from craft store to brush on jeans for body. Fill with dirt and plants.