Potatoes are from the perennial nightshade, Solanum tuberosum. As the world's fourth largest food crop, following maize, wheat, and rice, potatoes are grown from seed potatoes, which are certified disease free and specially grown Pentas Seeds Egyptian Star Cluster Flower Seed Ryan Self Watering Plant Pots my cat ate all the leaves off my yucca an now im left with just 1 green leaf. so im assuming it is still alive but will all the othets grow back.