Catawba rhododendron bushes can reach a height of 6'-8' with a spread of 4'-6'. Displays are most effective when rhododendron bushes are massed together. These are poisonous plants -- do not allow children to ingest any of the azaleas or rhododendrons.
Best Answer: Tornadoes are caused by winds. When a tornado forms the wind pressure around the tornado drops and that's what you see on the barometer, the pressure goes down.
During the tornado. 1  The safest place to be during a tornado is underground. 2  If there is no basement in your home, a small room in the middle of the house is best. 3  Stay away from windows. 4  Get under a steady piece of furniture, such as a heavy table or desk. 5  Hold on to it and use your arms to protect your head and neck.