The tree in "To Kill a Mockingbird" has knots from an old Negroes were hanged where Boo Radley put gifts for Scout and Jem. This sickness may symbolize the dark history and prejudice that the town holds.
an oak tree
gum
boo radley
Tree and flowers
it represents jem's childhood
Boo Radley secretly placed them there.
Yes.
a key
it's in chapter 6
Boo Radley
Mr. Radley fills in the knot hole
The tree with the gifts from Boo Radley (Arthur Radley) with a mockingbird flying past