Cindi ....
One of the variables is the ambient temperature of your climate. Kim is working in a far more arid climate than yours, so you have to be very careful to make sure that your wrappings are almost dry, otherwise the cuttings will rot.
Keep in mind some roses will form calluses quite quickly, while others take longer. So, you may think you have failed in propagating the cutting, but you just haven't given it enough time. In other words, you have to put them back in the oven and give them more time.
Also, the burrito method only worked for Kim in January to March in his climate. There's a window where this method works. Another variable. You may have to play around with the timing, too.
