Seeds sowed 3 weeks ago tomorrow, they seem to be growing quickly but the leaves don’t look 100% healthy. I’m wondering if they just need more food. Potting mix is coco coir, perlite, worm castings and organic amendments (ecothrive lifecycle)

For light I’m using a 315w CMH bulb 3000k and PPFD is around 450 for 15 hours. Temperatures are 20-29 degrees Celsius (68-85F) and 35-65%RH

by smveeesb

19 Comments

  1. Plane-Scratch2456

    Give them a bit of fertilizer. They look good

  2. Global-Discussion-41

    They look great! 

     Mine never look that uniform

  3. ChineseFireball

    Look healthy to me. Don’t be afraid to let them dry out a little bit between watering. Color looks nice but they could maybe use a smidge of fertilizer to boost overall health and size, lots of options from diluted miracle gro to diluted urine.

  4. CobraPuts

    They look pretty good to me! Make sure they really get an opportunity to dry down between waterings,especially in a tent

  5. MissouriOzarker

    I’m sitting here with freezing rain in my forecast feeling jealous.

  6. hundredwater

    They look fine especially if they are “Ox Heart” or related hybrid. “Ox Heart” shaped tomatoes have droopy leaves even when healthy.

  7. juryjjury

    Look great. Leaves are bushy and green so look like they are getting good light and fertilizer. In a few week may need transplanted into larger containers.

  8. markbroncco

    Looks good OP! Also, make sure you’re not overwatering, they can look a bit sad if the roots are staying too wet, even in coco

  9. They are healthy enough so it’s not a big problem but I can explain.

    You are using a 3000k lamp which has more red to blue ratio of light. Red light causes plants like tomatoes to grow straggly and elongate as if they are in low light even if the actual lumens are sufficient. If you used a 6500k lamp you would get more compact plants.

    Red – more elongated,
    Blue – more compact

    That explains why your plants look a bit straggly, they are getting enough light but a warm white 3000k lamp has more red than blue light in it and makes the plant elongate as if the light was not enough