<span class="link_user">@Emersan</span>, I added it during the whole cycle. Just added more towards end. The plant actively switches over and can use what it provides the whole time. My lifetime of being on a farm and dealing with many variety of plants has taught me that. It starts with a taste then gets more. Friendly tip, go look at my trophy wall. This plant was the result of my not caring and growing. Imagine if I tried...