Lulov & Layshayv BaSukkoh, Sukkoh

How should a lulov be arranged according to Minhag Ashkenaz? Should Hadasim and Arovous be placed into "lulov holders" or bound directly to the Lulov?

When should Layshayv BaSukkoh be recited? Does the order change during Sukkos? When should the brocho be recited, according to the minhog of reciting HaMotzi immediately after Kiddush?

What foods require a LayShayv BaSukkoh?

Rallis