: Choose the Heartgard Plus variant that matches your dog's weight: Blue Box : Up to 25 lbs Green Box : 26–50 lbs Brown Box : 51–100 lbs
To buy at PetSmart , you must have an active prescription from a licensed veterinarian. You can complete your purchase online through The Pharmacy at PetSmart by providing your vet's information during checkout. Purchasing Steps at PetSmart buy heartgard at petsmart
: Confirm the dosage amount (typically 1, 6, or 12-month packs) and add the item to your online cart. : Choose the Heartgard Plus variant that matches