Help! Crispy Leaves!!!

So today I worked my long day and was so excited to check up on MJ after having the best weather conditions here. I was a little disappointed. We had a nice sunny day and when i check up on my girls there leaves were starting to curl and get a little crispy.

I was wondering if this looks like it could be the nutes in the fox farm soil? And my water PH has been 6.5. I just watered them pretty good hoping that will help. Any ideas or suggestions?



Thank you!!!

The UV index ( 8 ) was high today and they were in direct sunlight. When these guys are ready for transplant im deff going to use lime. Although I dont think I would expect to see a calmag deficiency yet anyway. Is it possible that it was just a hot day with low humidity and they were heat stressed? It was about 22% humidity outdoors.

You got it in your last 2 sentences!

Thank you for your reply I've been so scared haha. Do the leaves every repair themselves or will they be screwed for good. I tried foliage feeding with Epson Salts and didn't see a improvement which leads me to think that you're right about the heat stress.

Old growth will not repair, but new growth should be healthy. If new growth shows signs of damage, its heat stress...

i'm 99% sure that's heat stress, whenever a leaf is still green but starts to wilt like that, suspect heat stress. I'd bet on that for sure

greasemonkeymann said:

i'm 99% sure that's heat stress, whenever a leaf is still green but starts to wilt like that, suspect heat stress. I'd bet on that for sure

Click to expand...

I'm going through the same thing with few of my plants I saw today. I had recently just got done transplanting last night and the ones that have those symptoms are all droopy and sluggish as well. Which is why I thought it was possible factors of Humidity fluctuation due to not having a reader and trying to figure it out on my own being a first time grower a ph issue with my water/soil which i haven't had a means of checking yet or some type of deficiency issue or over watering. I don't think it heat stress because i kept an eye on my light distance pretty good i feel anyway. I am using cfls and a 4x t8 32w light fixture plus ti only happened after i transplanted soooo i dunno im at a lost with so many possible issues. any help or thoughts would be great. pic is below
Thanks

Is there anything I can do outdoors to protect them from the high heat? lol... I cant have a fan out there