Wrap the ribbon over and under each stem, carefully as they are delicate at this point. After you've come around once you will see that the second row should match up so that the ribbon goes over on the second row where it went under on the first row. Always keep your eye on the over-under pattern, if you missed a stem the pattern will be off. The first row can be a little tricky, hang in there. You can see in the last picture above that after you get to about the third row the stems start getting nicely in place and it makes the weaving much easier!
I haven't mentioned what ribbon I use, and it really depends on who or what the project is for and your piggy bank! Lavender wands can be made as bridal shower gifts, thank you gifts, just because gifts or just hung in your pantry to keep the flour moths at bay! So choose a ribbon that makes sense for your project. I like lavender ribbon, but for a bridal shower you could choose a color that matched the brides theme. Here I have used regular small gift wrapping ribbon, the kind that curls when you put a scissor to it, which is kind of a bonus! You can also use satin ribbon and I buy spools of it on sale at the Mart stores or the Craft stores pretty inexpensively.