While supplies last – Arm & Hammer is offering a FREE Tree Seedling or Wildflower Seed Card to celebrate Earth Day! The first 20,000 people to sign up will receive a Free Tree Seedling, then the next 155,000 sign-ups will receive a Free Wildflower Seed Card. Click here to complete the short form and claim your freebie. There’s a limit of one per household. Allow four weeks for processing. See more details here!