Check the winners The Grow Awards 2026 🏆
Start My Diary
Start My Diary
Log In
Start My Diary
Home
Diaries
Strains
Shorts
Questions
Contests
Growers
Seeds
Breeders
Nutrients
Equipment
Blog
English
Log In
Sign Up
Following
Follow
Brands
&
Growers
to get updates
Back to Grow Questions
Heat stress?
willisknows
started grow question 5y ago
Does this look like heat stress? It’s been in the 90’s all week.
Solved
Leaves. Curl up
likes
Aquemini
answered grow question 5y ago
Looks like it has a little heat stress, but still very healthy looking for being in high heat all week.
1 like
Complain
Selected By The Grower
Roberts
answered grow question 5y ago
Yes light heat stress but nothing to worry about. Mother nature has always taken care of herself outside.
1 like
Complain
Similar Grow Questions
Solved
JoseTodoLoco
Weird form on 11 day old seedlings
Hi, The leaves of my 11 days old are a little but curly, I suspect it is related to to much light, Did anyone experienced the same issue?
Week 2
Leaves. Curl up
6y ago
2
3
Solved
Lord_Lex
Leaves pale and curling. See this weeks journal for details. I have to go to work so won’t see responses until later. Thanks!!!
Week 4
Leaves. Curl up
7y ago
1
Solved
Mccolin75
Leaves folding in
Was wondering why new leaves on my new clone are folding? I’m not very experienced in growing, and I’m just getting it started so I can move it outdoors in the spring. I have a 300W pink grow light (idk any specs or even brand) it’s on 18/6 hour light cycle
Leaves. Curl up
4y ago
1
3
Solved
Smokin_Joe
Guess on what this is?
Unsure what this issue might be. PH seems in check going in and out. Getting mainly Fox Farms nutrients - got very weak doses of B-52 and CalMag a week or two ago. The other two plants are fine.
Week 6
Leaves. Edges burnt
Leaves. Curl up
Leaves. Color - Dark-brown
5y ago
2
3
Solved
Baddawg0509
How much and how often should I be watering my plants growing in a soil-less mix and 3 gallon pot? I have seen many conflicting arguments. So far I have been giving them 1 Liter every 3 days.
Week 2
Leaves. Curl up
8y ago
2
2
Solved
Laxzeus32
Leaves curling into bud
As sugar leaves send their nutes to the buds and start to curl/die, do I need to trim them off before the curled part reaches the buds? The fan leaves were an easy choice to trim...sugar leaves I’d have to trim the leaf rather than stem. Is that ok or necessary?
Week 11
Leaves. Curl up
5y ago
1
Solved
XiceX
Leaves Problem
What can this be due to in your opinion? The leaves are curled upwards and are dry
Week 9
Leaves. Curl up
6y ago
4
4
Solved
ohcibi
Light stress?
I have some slightly erected teeth at my fingers. It started to form when I stopped raising the light to stop the stretch. I’ve now pulled it up a bit again to be above 40cm distance. I had similar on my last grow which seemed alright so maybe nothing to be worried about.
Week 8
Leaves. Curl up
6mo ago
12
7
Solved
Newbie90
Heat stress???
Hey look at one of my babies is it a heat stress? Finally got temperature managed 🤦♀️🏼 Sud I do something with her or she’s gonna sort herself out? Thanks
Leaves. Curl up
Plant. Other
6y ago
2
2
Solved
Wexlo
Spots on leaves
Strain-dancehall 6 weeks old No Nutrients Ph 6.2-6.4 3 liters every other day New to growing. Out of 3 plants 2 are starting to get spots on leaves near the top. All 3 have discolored leaves at the bottom. Pics are numbered. If anymore info needed just ask
Leaves. Tips - Burnt
Leaves. Curl up
Leaves. Color - Dark-brown
5y ago
1
5
Solved
THe_Cannadaddy
Browning / curling of leaves late flower. 3/4 clones affected - all different strains. Refer to week 14 flower post
Browning / curling (up and down) of edges of leaves started 05/21/21 on the orange cookies Since then the OGK and TT have also gotten brown leaves, the Gelato is unbothered Could this be nutes? part of the flush process? I have also read it could be old age? a natural thing? halp
Week 14
Leaves. Edges burnt
Leaves. Curl up
Leaves. Curl down
5y ago
2
Solved
Wyregrasser
Curled Sugar Leaves
Curled Sugar Leaves. In RDWC, others not showing. Fans leaves not showing. Doesn't seem to affect too adversely but the plant is slightly smaller. I have noticed in previous grows. Any ideas 4 my future grows? Thanks 😊 Growmies!
Week 14
Leaves. Curl up
3y ago
5
5
Solved
BiteAway
Health problems?
What could this be? PPM: 700 - 800 Temp: 26C (79F) Hum: 50-60%
Week 10
Leaves. Curl up
Leaves. Color - Yellow
4y ago
7
6
Solved
SheeshtheSchaller
Will these leave deformities disappear or am I screwed?
Hi there, I recently started a new grow and the leaves seem a bit odd. Do you think the plant will get a hold of itself or not? I myself have opted to wait a couple more days but if things haven't gotten much better in a few days I might restart.
Leaves. Curl up
7mo ago
1
9
Solved
Walleyeguy
Deficiency and heat
Getting more leaf issues after weak nute flush and heat issues this week. I think cal mag and potassium deficiency. Looking for confirmation and suggestions.
Week 12
Leaves. Curl up
Leaves. Other
6y ago
2
2
Solved
PurpGod
Dying leaves help
Leaves dying Turing yellow and brown
Leaves. Tips - Die
Leaves. Curl up
Leaves. Color - Yellow
5y ago
2
3
Solved
TegridyF
Yellow and fragile leaves 2 week
Couple leaves yellowing and bit curved up. I suggest there can be the options: 1) magnesium deficiency; 2) nitrogen deficiency; 3) Light burn. For case it is magnesium deficiency I sprayed the leaves with magnesium sulfate (solution - 1g per 1 liter), but it won't help.
Leaves. Edges burnt
Leaves. Curl up
Leaves. Color - Yellow
4y ago
1
Solved
canapato
Spots and dry leaves.
Help! I don't know what's happening to my Q1. There are spots on the leaves and some of the leaves are really dry. I didn't do the defoliation and i didn't LST so the plant is just going all natural. I feed her nuts from ATAI.
Leaves. Curl up
Leaves. Color - Yellow
6y ago
1
2
Solved
XxBILLZAxX
Leaf Curling - Late Flower
Growers, Small issue. LOADS OF LEAF CURLING. I assumed it was nitrogen so I stopped all nitrogen for 3 weeks & no fix. Flushed with 20L of water thinking its possibly salt? Nope still got a curling problem. Any ideas why this is happening & is it a big issue with 3 weeks left?
Leaves. Curl up
Leaves. Curl down
6y ago
5
Solved
ButterfliesLittleFarm
How do you solve the problem of too high a box temperature? The first thing I will try is to put ice bottles in the box, do you have any advice?
Week 1
Leaves. Curl up
7y ago
9
5