Yucca Plant (Guard Plant)The yucca is a dark green perennial that has thick, sword shaped leaves. The plant has a beautiful, elegant look with white flowers. Like the cactus, the yucca stores its water and saves it for later; the yucca stores its water in its trunk. The yucca can cause vomiting and weakness in pets, but it has a more harmful effect on large, grazing animals. How to Care for a Yucca Light: Yucca thrives in full sunlight, so they are perfect for that west