What causes a rubber tree leaves to yellow?

Do vegatables grow on trees? How can I effectively prune hydrangeas to promote healthy growth and abundant blooming? What eats rooted aquatic? Why are my mums dying? How can I successfully propagate a rubber plant in soil? Is a balsam a evergreen or a deciduous? How much sun does an elm tree need? Why is my Venus flytrap not closing its trap? What is the government doing to stop zebra mussels? What do carrots look like when they start growing? Can cutting grass too short kill it? Can you lay sod over gravel for a new lawn installation? How can I propagate raspberry bushes effectively? How do sunflowers protect themselves? Where does the osmosis happen to the animal cell or the plant cell? How can I properly care for plumeria cuttings? You are a type of fig 500 to 600 years old your seed grows high in a tree you drop long cabbled like roots that twist around your host tree eventually killing it your name sounds murderous what is its? How do you look blooming? Plantation crops and scientific names? What is a jacaranda?