Begin the day with a Mother's Day brunch. There are endless brunch possibilities to be found in New York City, especially for Mother's Day. You could do research or simply just walk around the city on the morning of Mother's Day until you find the perfect place.
Step2
If your mom has never been to New York, take her to a store that she has always wanted to visit. Buy her something from that store. Tell her that it's a surprise Mother's Day gift.
Step3
Go for a walk or have a picnic in Central Park. You could literally spend an entire afternoon in Central Park, as it may be the best place in all of New York to enjoy a warm Mother's Day afternoon.
Step4
Take your mother for a carriage ride around Central Park. This is another one of those classic things to do in Manhattan that never goes out of style. Your mom will get a kick out of this.
Step5
Go for a ferry ride around Manhattan with your mother. This is a great way for her to see the entire city, not to mention another way to enjoy Mother's Day.
Step6
Visit some of the museums found in New York City. Museums are open on Mother's Day in New York and chances are that your mom will be interested in visiting at least one of these exhibits.