How long does it take for a yam to grow?

What causes the leaves of an African Violet plant to turn brown? What happens if rabbits eat sunflower seed shells? What kind of underground stem does an onion have? What are made from coniferous trees? What is the difference between a bumblebee and a mower? What is malted barley flour made from? How can I successfully care for a lotus plant indoors? How can I effectively incorporate beach pebbles into my landscaping design? What is North Carolinas state mammal? Grafting palm tree? What is coffee plantation? What is a antonym for sorghum? Which plant cells have structures take in water and oxygen to make food? Does palm reproduce from? What type of climate does a baobab trees has? How could people get food frm a perennial multiculture? How can I identify white oak tree bark? How much water does a lucky bamboo need to thrive? Do blackberry plants like pine mulch? How should I care for daylilies after they bloom?