The 'Big Boy' is an indeterminate type of tomato plant, which means the plant continues to grow all season long. 'Big Boy' tomato plants average heights ranging from four to six feet, but the plants are capable of reaching a height of 20 feet. Provide support for the plant by using stakes or cages.
About this Author
Amy Deemer began her writing career in 1992. She began writing online content in 2009 and writes primarily for Answerbag and Garden Guides. Deemer enjoys researching and writing about flowers, plants and gardening. Deemer has an Associate of Arts in liberal studies from Westmoreland Community College.