Tomato Plants from Seed Growing Too Fast

Question

I started tomato plants from seed. They are growing too fast and have thin leaves and stems. What did I do wrong?

Answer 1

By thin, do you mean long and leggy? This could be a light issue. Here is more information: https://www.gardeningknowhow.com/garden-how-to/seeds/leggy-seedling.htm, https://www.gardeningknowhow.com/edible/vegetables/tomato/growing-tomatoes-from-seed.htm