Honor a Loved One By Purchasing a Daisy May 5, 2017 · News The annual Daisy Drop commemorates those who have bravely battled cancer. For just $5, you can purchase a daisy to be dropped in honor or memory of a loved one. The daisies will be dropped into the Oostanaula River at the Cancer Navigators’ annual Cast Off Against Cancer Celebration. The event will take place at Heritage Park on Sunday, June 4, which also serves as National Cancer Survivors Day. Daisies can be purchased through PayPal by making a $5 or more donation.