By continuing to use the website or clicking Accept you consent to our cookies and personal data policy and confirm that you are at least 18 year old. For details please see Privacy Policy and Terms
Accept
K Overfeeding? Please help
BruceBlackstarted grow question 5y ago
One of the plants is showing some light brown/yellow spots which I think it's a K overfeeding due to the 13/14, what do you think?
likes
Answer
BruceBlackanswered grow question 5y ago
It doesn't look like Leaf Septoria , hopefully XD, but thanks for the info!
likes
Complain
Nor_Cal_Kannablissanswered grow question 5y ago
Looks to me like Leaf Septoria.. I'll provide a link with a ton of information on it as it's not totally in my wheel house but regardless its worth looking into!!
https://www.royalqueenseeds.com/blog-leaf-septoria-yellow-leaf-spot-on-cannabis-plants-n678
Happy growing!
likes
Complain
Similar Grow Questions
Solved
BrianMcGee
Yellowing of lower leaves and crispyCheese auto soil airpot 9L (barneys) 18/6, 14inch light distance (100% power). RT 21/28C, RH 40/60%. Been feeding when top inch is dry which is 500ml every 2/3 days. Using canna every thing at 1/4 doses and 6.1ph. Have added bloom with 5% nitrogen, thought it may be deficient.
Leaves. Color - Yellow
1y ago
2
7
Solved
WakeUpAndSmellTheGarden
LIGHT SCHEDULE? (Auto)What is the best schedule for a lumatek ats 200w pro in a 80X80x180cm growbox pls? (Autoflowers only) My plants actually growing not more than 35cm high with 18/6 light schedule and 100% light from grow to harvest.. need some hints. Sure there is a problem. Giving less nutri nowSetup. Strain - Autoflowering
Setup. Lighting
Feeding. Other
1y ago
5
Solved
GrowP4Y
What's the problem?Hi guys, basically for the last few days the problem hasn't varied too much but I can't figure out if it's my light or if it's coming from somewhere else. Some of my leaves are curling with stains either on the leaf or like a burn on the tips.
Leaves. Twisted
Leaves. Color - Yellow
1y ago
6
7
Solved
MrGreen92
When to use terra aquatica ripen? Wait until they look ready to harvest or when they look like they will be ready in 2 weeks while using ripen?I'm coming to the end & I think they need a few more weeks at least, but I may be just kidding myself, thinking they're gonna double in size.
I'm gonna use ripen for the final 2 weeks with a 48h flash clean before & after, so should I start now or wait for more amber trichomes?
1y ago
1
1
Solved
Darth_Cannabis
Critical Purple: Leaves slightly yellow.Just started my first grow. I1 placed the light high in the tent and the leaves slightly turned yellow. I lowered it yesterday to 18” over the top on the plants. Just wondering if I am on the right track to solve the issue. The plants are still growing. Minimal nutrients 1ml/gal.
Week 1
Leaves. Color - Yellow
1y ago
9
6
Solved
Sven0190
PH down ?!Ich nutze Aerophonic zur Bewässerung, habe das Wasser gestern neu getauscht (Osmose Wasser) und CalMag + Dünger Hesi Hydro Growth hinzugefügt, allerdings droppt der PH immer noch stündlich, wo ran kann das liegen? Die Pflanzen bzw, die Wurzeln sehen gut aus.
Feeding. Other
1y ago
3
3
Solved
Vril_Ya
Nutrient burn?Jealousy(F) plant into second week of flowering. Are these leaves showing signs of nutrient burn? Or is it some sort of deficiency?
Leaves. Color - Yellow
1y ago
3
3
Solved
Growing_Spartan
Anyone know this yellowing?Hello everyone, I’ve got 2 autos going from 420FastBuds and im starting to see some yellowing in the leaves. I didn’t PH till I saw their first set of leaves and I was using bottled water but now I have my water dechlorinated and ph set to 6.4 for every watering.
Leaves. Color - Yellow
1y ago
2
Solved
ObserverInterest
Is this nute or sun burn? What should I do to save my babies ?I upped the nutrients to week 2 of veg state (biobizz) and put the light to 50% intensity. I put the light at 6 inches above recommended height (which is recommended on the Mars Hydro website for beginners). . IS THIS NUTE BURN OR LIGHT BURN?
1y ago
7
4
Solved
Mokorelsare1
Deficiency or toxicity?Hello i'm not sure what's going on, is this toxicity or deficiency? She loojs happy overall but new leaves have weird color, curled down tips, some of em are yellow and some are brow - burned.. maybe it's because she's transforming into bloom phase, PH 6.2 but runoff is PH 7.1.
1y ago
5
2
Solved
OldStonedScottishGuy
Leaf Curling and yellowing on three week old plant, how to stop this gettign worse?I am getting leaf curling and yellowing on my 3-week-old Hulkberry plant. I suspect nutrient burn, even though I am using what was recommended by my local grow shop and also RQS's website. I have reverted to water only and raised the light higher. Anything else?
1y ago
4
4
Solved
BLAZED
Older leaves are yellowing, brown/red rusty spots, dying tissue, red stems.Older leaves have brown/red rusty spots and looks like dying tissue in between the veins.
Burnt tips, and yellowing leaves.
The soil was really dry and my PH meter was 0.4 too high.
I gave each plant 3L of water with EC: 0.0 PH: 6.4 to check runoff.
Runoff was PH: 6.1 EC: 0.8
1y ago
3
3
Solved
StarfishSmallBatch
Magnesium Deficiency?Is this plant suffering from Magnesium deficiency? I noticed some of the growth is yellowing and the leaves are curling upwards at the tips. The tips of the leaves is where most of the discoloration is as well.
Leaves. Curl up
Leaves. Color - Yellow
1y ago
1
Solved
seEdcork
Help! What is this?! Upper leaves turning yellow/brown but not the lower ones. Light burn?Leaves. Edges burnt
Leaves. Color - Yellow
Leaves. Color - Dark-brown
1y ago
1
1