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Is your plant suffering from an unknown issue? 🤧
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Leaf curling...??!
- Thread starter huntsman
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Thanks, Pat ~
Sorry, I should have given a little more info...
No critters visible and they are under lights around 22 hours per day. No food at all has been added, and I water when they look dry, using the wicking method, as per AlJack.
Actually, I noticed a dead edge to one leaf on one plant. No idea what that is either, so if anyone can answer both questions...?? :-)
I am using great quality potting mix in all of these, btw.
Sorry, I should have given a little more info...
No critters visible and they are under lights around 22 hours per day. No food at all has been added, and I water when they look dry, using the wicking method, as per AlJack.
Actually, I noticed a dead edge to one leaf on one plant. No idea what that is either, so if anyone can answer both questions...?? :-)
I am using great quality potting mix in all of these, btw.
How close are the lights? How long ago did these sprout? It's looking kinda yellowish, may be time for a mild dose of ferts. If you don't have a fan blowing over them, they could be getting too hot, those leaves look similar to how the tips of my plants look when too close to the light. Although with fluorescents, the plants shouldn't burn unless they are actually touching the lamps. If you do have a fan, maybe blowing too hard and drying out tops? Just a couple ideas, you should post a pic of your setup with the plants in it.
huntsman said:Here's a typical shelf, Tx...
I only have one fan at present, so can't be that, as these affected plants are scattered over all shelves. Lights are really close, though - around 1" as per the forum threads.
They sprouted around 1 Aug.
Thanks for replying!
Love the Hannah Montana cups
Magnesium deficiency, plants should NEVER look that color, thats on the verge of dropping leaves.
I would apply some epsom salt to the soil or the leaves, sprinkle a pinch around the base of the plant or a tablespoon in a gallon of water then sprayed on the tops and bottom of the leaves.
I would apply some epsom salt to the soil or the leaves, sprinkle a pinch around the base of the plant or a tablespoon in a gallon of water then sprayed on the tops and bottom of the leaves.
huntsman said:
In bright sunlight it should still not look that color, cucumber green is what you should be aiming for not that light green.
A lack of Magnesium will cause both the leaf curling AND the lack of chlorophyll (chlorosis). Magnesium plays an important role in the chlorophyll molecule.
A lack of Magnesium (Mg) will result in less chlorophyll and as a result less green, less energy, less growth. Eventually the plant will start cannibalizing itself for the nutrients it is lacking, and the leaves will start dropping.
When you water, you flush nutrients out of the soil, and since Magnesium is very water soluble, it's usualy the first to go.
This isnt your fault really, you just need to monitor the plant for signs like this, and when you see them, to correct them.
If you give them a source of Magnesium, they should be 100% back to normal in a week or less.
huntsman said:I really should have asked this earlier!
Can I spray all of the plants at the same time, or only the infected ones?
It should not hurt, they may be close to becoming deficient anyway, the important thing is not to over do it.
I would put some epsom salt in the soil, because feeding through the leaves will fix the problem sooner but will be temporary, eventually the plant will run out and it wont get any from the soil since it's already lacking.
I alwayse use less than I normaly would on the leaves AND some in the soil, this will fix the problem quick and help prevent it from happening again in the near future.