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.
What To Do During A Tornado. 1  Indoors: Move to a basement or the building's lowest possible floor. 2  Outdoors: Find a ditch, depression or ravine in the ground, lie flat and cover your head. 3  In a vehicle or mobile home: Leave your vehicle or mobile home and, if possible, enter a nearby building. Indoors: Move to a basement or the building's lowest possible floor. 2  Find an interior room, hallway or stairwell â the more walls between you and the tornado, the better. 3  Stay under a sturdy piece of furniture and protect your head.