The Grow Awards 2026 🏆
Start My Diary
Start My Diary
 Login
Start My DiaryHomeDiariesStrainsShortsQuestionsContestsGrowersSeedsBreedersNutrientsEquipmentBlog
LoginSign Up
Following Follow Brands & Growers to get updates
Back to Grow Questions

Rust spots?

Growit2321
Growit2321started grow question 5y ago
I have two leaves full of brown rust colored spots, it’s on the bottom of the plant, pH found to be 6.5-6.8, it’s around 80f outside, RH around 67%, using fox farm ocean forest soil.
Growit2321Growit2321
Solved
Week 8
Plant. Other
likes
DoDrugs420
DoDrugs420answered grow question 5y ago
Possibly a calcium deficiency.
1 like
Complain
Selected By The Grower
AliceInChainsmoke
AliceInChainsmokeanswered grow question 5y ago
99% a calcium deficiency.
likes
Complain
Similar Grow Questions
Solved
Professor_Daank
Professor_Daank
Is everything looking ok here for the middle of week 4?Is everything looking ok here for the middle of week 4? First time grow and I'm just looking to see what you veterans think so far. And, from your experience, how far off do you think I am from flowering stage and flipping to 12/12?
Week 4
Plant. Other
6y ago
2
2
Solved
Yimmy
Yimmy
Should I flip to flowerI think it might be time to flip to flower after this cycle of nutes is done, as the the two bigger plants will just end up covering the runt plant in top right corner if I let it veg to much longer, what does everyone think?
Week 7
Plant. Other
Feeding. Schedule
6y ago
5
5
Solved
gottagrowsometime
gottagrowsometime
LST??? TO EARLY??Is it too early for LST? I'd like the 2 main colas to be sticking up more, will I leave that to the growth or should I start training it now? I have the right stuff for lst, ties and that green sponge wire. Or will I wait till it finishes it's 3rd week at least. New to dis, so...
Week 3
Plant. Other
4y ago
1
3
Solved
PeppaWutz
PeppaWutz
Lower leaves roll like tacos and have spotsInformations: 675 Watt LED light (1m distance to plants), 28 °C at day and 23 °C at night, 60% Humidity, EC 0.9, ph 5.7 Why did the lower leaves of my plant roll like tacos?
Week 3
Leaves. Other
Plant. Other
Feeding. Deficiences
5y ago
2
2
Solved
Ds420
Ds420
Should I transplant !?Is it time to transplant ? Can someone help me out
Plant. Other
2y ago
6
6
Solved
TheBlackKingOfQueens47
TheBlackKingOfQueens47
Neu, ist alles in Ordnung?1 Woche Blüte Gestern Steckies Geschnitten Ist alles ok so?
Plant. Other
5y ago
1
Solved
GreenSun
GreenSun
Slow first 4 weeksMy two Green Gelato Auto are struggling in the firs 4 weeks. Very slow growth, leaves are going pale and yellow with some strange spots. I go easy on water (6.4 ph), adding some BioGrow in the last week. Any advice will be much appreciated. Thanks!
Week 4
Plant. Other
5y ago
1
1
Solved
Shockolateman08
Shockolateman08
Transplant race?When should I transplant before they start raping one another lol...or should I just pick the fastest ones and run?
Plant. Other
Techniques. 12-12 from seeds
6y ago
3
Solved
Mr_Haze
Mr_Haze
Moving plant in flower indoors.If I move one of my plants in flower, indoors, will it be worth it ? I have a 400w HID. Anyone who does/ has done this before ?
Week 9
Plant. Other
6y ago
3
3
Solved
Gnomerchaun
Gnomerchaun
I think I got a photo with my Autos?I've just started week 3 of flowering with my Oasis genetics NP Ultra Mass autos.. I think one of the plant is not an Auto. What do you guys recommend? Wait it out and see if she flips? Or put her on 12/12? If I do put her on 12/12 can to initiate flower can I go back to 18/6?
Buds. Other
Other. General questions
Plant. Other
5y ago
2
1
Solved
Foggedaboudit
Foggedaboudit
How am I doing?End of week 3 flowering. How am I doing? Is it getting too bushy?
Plant. Other
3y ago
2
2
Solved
Brewer1112
Brewer1112
Any ideas what happened hereHey any idea what happened here? I thought it was too much light but the stem is brown like it's dieing. It's the only spot on the plant and the only stalks that are taller than the rest.
Leaves. Wilting
Plant. Stem - Weak
Plant. Other
4y ago
4
Solved
Albgrow
Albgrow
Flush in 2 week of floweringHello guys. Today i did the flash to the girls and i was surprised that the water that came out from the plant ph was 7.4. Any suggestion?
Plant. Other
Roots. Other
5y ago
1
2
Solved
Wakesk8
Wakesk8
How many gramms I will get once dry with those 4 plants ?Who want to bet ?
Buds. Other
Plant. Other
5y ago
2
Solved
MARLEYtheDAWG
MARLEYtheDAWG
HermiShould of chop this one down as its turning hermi?
Week 9
Plant. Other
2y ago
1
4
Solved
1Right_Angle
1Right_Angle
When to remove the top FAN LeavesIs there a good time to remove the big Fan Leaves “up-top”, from your month-old Vegetating plants? With so much fresh growth beneath them, wondering what brings the best results to FIMmed plant that will see light LST. Nothing drastic. Fan leaves are BiG
Week 4
Plant. Other
5y ago
1
2
Solved
sndwich
sndwich
Grow tent - Post RotHey guys, All harvested and finished, cleaned the tent out, just hoovered, but do I need to do anymore cleaning as had some rot issues with the last grow, will the pores hide in the tent etc or over worrying? Thanks again D
Week 15
Other. Mold
Plant. Other
Setup. Other
5y ago
3
2
Solved
mRJ519
mRJ519
Signs of female flower?Just wondering if this looks like signs of female flower
Week 8
Plant. Other
5y ago
2
2
Solved
BiteAway
BiteAway
To experienced growers: Do these seedlings look healthy to you?Day 9 - 2x Royal Haze Auto, 2x Think Different Auto
Week 1
Plant. Other
4y ago
2
2
Solved
Markx1
Markx1
Can somebody guess witch strain is thisI grew Quick One from RQS for few time and left plant is definitely Quick One Auto but right plant is NOT! So from day 1 right plant looks a lot different from any quick one that I ever grow. Both seeds are from same original RQS package. Can anyone recognize what strain is this?
Week 5
Plant. Other
5y ago
5
3