To make him realise that Mrs. Dubose wasn't purely a mean-spirited person, and that she had a plausible reason for shouting at people and being angry. She was on morphine and Jem's reading helped Mrs. Dubose to try and kick her addiction that was crippling her. Atticus wanted Jem to realise people aren't always as bad as they seem and he wanted Jem to know that he was able to help her even if he didn't want the responsibility, much like Atticus defending Tom Robinson.
Atticus said to Mrs. Dubose, "I missed you today."
because mrs. dubose said that atticus "lawed for n word"
Mrs. Dubose insults Atticus and calls him names for defending Tom Robinson. Jem responds by destroying Mrs. Dubose's camellia bushes. Atticus defends Mrs. Dubose because he believes in showing compassion and understanding towards others, even those who may hold different views or attitudes.
mrs. dubose
Atticus describes the camellias in Mrs. Dubose's yard as "the beginnings of a smile" which symbolizes the hope and recovery she is striving for in overcoming her addiction. He recognizes their beauty despite the negativity surrounding Mrs. Dubose.
He calls her racist
Mrs. Dubose insults Atticus in front of Jem on pages 135-136 in the book "To Kill a Mockingbird" by Harper Lee.
because Jem did a dishonor to her in cutting off all her camellia flowers and because Mrs. Dubose was a nasty old lady who needed some happiness and innocence in her life.
mrs dubose
Atticus tells Jem that Mrs. Dubose wanted to give him something to remember her by, which shows her attempt to make amends for her past behavior before she passed away. The gift of the single camellia flower symbolizes Mrs. Dubose's final act of kindness and courage.
Mrs. Dubose makes racist remarks about Atticus defending Tom Robinson and insults Jem and Scout’s father. She also criticizes Atticus for defending a black man, which goes against their moral beliefs. This behavior is offensive and intolerant.
Atticus tells Jem that Mrs. Dubose was a recovering morphine addict, and that she was a very strong and brave woman.