For Q2 2014, you will earn 5% for purchases from:
- The Home Depot
- Home Furnishing Stores
- Home & Garden Stores
Note that "Q2 2014" means from April 1 - June 30, 2014. Also note that even if you have a Citi Dividend Card, the enrollment is not automatic. You have to login and sign up for this offer at the Citibank website.
See also Discover Card Q1 2014 Cash Back Bonus Categories.