How can you kill off the stickers in your lawn?

In the 2nd hour, Dan answers a few texts about poinsettias and growing them from cuttings and clover extermination before hearing from callers about shaving off roots from an oak tree to make room for pavers, periwinkle issues with fall plants, why does it take so long for citrus trees to create fruit, trimming back a rambler rose bush, and dealing with stickers in your lawn during the spring is a big issue but you could get ready now!