How long would it have taken for the Norfolk Rotational System to start showing results? stevenattewell Uncategorized May 13, 2018 1 Minute One year, maybe two. Depends on how the weather goes. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related Published by stevenattewell View all posts by stevenattewell Published May 13, 2018