Q.Leggy Tomato Starts
Although I have my indoor germinating tomato starts almost touching the correct lights. and a fan blowing on them gently, they are still leggy. I do realize that once they grow 2 or more true leaves, I can plant them deep, but why are they always leggy despite all my efforts? Thank you.
GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on March 31, 2026
Starting them too early can cause leggy seedlings. Are you giving them a weak fertilizer solution? Are your grow lights on 16 hours a day? If not, try that. These articles should help:
https://extension.psu.edu/successful-tomatoes-from-seed
https://www.gardeningknowhow.com/edible/vegetables/tomato/growing-tomatoes-from-seed.htm
https://www.gardeningknowhow.com/garden-how-to/propagation/seeds/leggy-seedling.htm
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