What is abies nigra?

Why are my peace lily leaves turning brown and burnt at the edges? What is 0-0-60 fertilizer? What chris rea song is being played on radio 2 titled s one thing and roses? What does a tree do to maintain homeostasis during the winter months? What plant symbolizes hope? Is sand good for planting? What is a bucking barley? What is the function of a tree bud? What kind of aquatic plant is duckweed? What is a garden basket called? What would happen to aquatic plants if fish were removed? How can I keep mosquitoes out of my fountain? How can I prevent my avocado seed from splitting when trying to grow an avocado plant? What to do for winter kill on evergreens? What is an agapanthus? Why do orchid roots grow out of the pot? How long does an apple tree take to start growing? Can you touch the Rafflesia? Can you put soil over moss and plant grass seed? How often should I water my schefflera plant?