Healthy plants need more than just water and sunlight Plant nutrition plays a big role in leaf growth, root strength, flowering, and overall plant health. When plants do not get the mango tree plant growing from a seed or seedling, whole plant with growing new fresh leaves, seed and roots, sprouted seed isolated on white Stock Photo Alamy World of plants (Usborne Internet linked library of science): L Howell: 9780439441483: Amazon.com: Books Tropical Trio Houseplants with Planter Large (24 36" tall) Black Planters Easy care, Tropical plants.