Yellow Seedling Leaves – Why Are My Seedlings Turning Yellow

By Liz Baessler Have you started seedlings indoors that began healthy and green, but all of a sudden your seedling leaves turned yellow when you weren’t looking? It’s a common occurrence, and it may or may not be a problem. Keep reading to learn more about yellowing seedling plants and how to treat them. Yellow Seedling Leaves The first thing to establish is which of your seedling leaves turned yellow. When seedlings emerge from the soil, they put forth two starter leaves called cotyledons. After the plant becomes more established, it will begin producing differently shaped leaves that are characteristic of its species. The cotyledons are designed to get the plant started in the very beginning of its life, and once it’s producing more leaves, these aren’t really needed anymore and will often yellow and eventually fall off. If these are your only yellow seedling leaves, your plants are perfectly … Continue reading Yellow Seedling Leaves – Why Are My Seedlings Turning Yellow