The Grow Awards 2026 🏆 
TMV????
OlskoolNCstarted grow question 5y ago
Anyone had a crop fail due to smoking near their grow room?
Open
Other. General questions
likes
Answer
HeavyHittahanswered grow question 5y ago
Smoking flower is fine but anything with tobacco in it can cause a virus called TMV . Which will stunt them.
1 like
Complain
Similar Grow Questions
Solved
Aeries
Some advice for the newbie please!I'm going to move outdoor as soon as I can.
At what stage of growth is best?
I have about 3,050 lumens on the seedling at the moment and I'm only growing 1 plant (walk before running approach). I will be transferring into a 15l pot in 7 days or so.Week 1
Other. General questions
6y ago
6
5
Solved
SlyNJen15
When do I switch?How long before I switch to flower? My tent is only 48" and they grow to 48"-60". I want to wait as long as I can but dont want them burning from the light once they get taller. They have a 9 week flower period. Will be using LST and supercropping with a net. Tanks are 7" tall.Other. General questions
Plant. Other
4y ago
5
3
Solved
E6EPb
Water and fertilizerI was using 3-4 fertilizers a week and I was washing with pH adjustment from time to time. I entered the 3rd week of flowering and I have 7 types of fertilizers per week. If I give my fertilizers with 0.75 liters of water every day, will there be salt accumulation in the soil? IfOther. General questions
4y ago
2
4
Solved
jarshman
Is she ready to be harvested?First time harvesting and can’t tell if my plant is ready to harvest?Other. General questions
5y ago
3
Solved
HappyLobster
NPK Nutrients - What to buy?I'm just starting to read up on nutrition, I want to start with different NPK ratios through the vegetative and flowering stage. Hence I want to buy these components separately but I'm not sure where I should be looking and what for exactly. Can't seem to find it so far. Thanks!Other. General questions
3y ago
6
7
Solved
delta_420
Accidentally bent/squished the stem on Pheno #3, is it possible it can bounce back?I was LST'ing the Purple Haze Pheno #3, I accidentally got a bend in the stem and it could have snapped or partially torn, I attached some photos hope these help. It was by accident, I have nerve damage and arthritis so I can't keep my hands still that much especially standing.2y ago
1
1
Solved
PurpleGnome
do premature seeds pop?Do premature cannabis seeds sprout?
Does it effect the plant if if can?Week 1
Other. General questions
5y ago
3
2
Solved
Dreamz_In_Green
LineageSo my first time with my own seeds, these offspring are the F1 correct?Other. General questions
4y ago
2
1
Solved
Sup3rNov4
Time till harvestHey growers what you thinking on this grow till harvest? I'm thinking about 3 weeks till cropWeek 8
Other. General questions
5y ago
3
3
Solved
HecticJardin
Concerned about red tip leaves? Maybe male or herm?I'm concerned about one of the plants
The pictures don't really show it wel but im seeing red tips on the leaves (I think) and a lot less pistils compared to the other two plants (the last two pics for comparison)
Im pretty sure it's the one that had genetic problems early onWeek 6
Other. General questions
5y ago
1
Solved
VictoriaKing82
LightingI have a 32x32x63 grow tent with a 600W led grow. Light is 40"above the plants. The led light has 2switches 1 for veg 1 for bloom. Plants r in week 4 just started veg. Do I just use the veg switch or bloom switch or both switches from beginning to end or for the stage they r in?Other. General questions
5y ago
2
2
Solved
BullWeedDog
En qué momento es mejor transplantar??Cuando sería mejor transplantar mis plantas, cuando la luz se va a encender o cuando la luz se va a apagar??Other. General questions
Setup. Strains - Photoperiod
Techniques. Other
3y ago
4
4
Solved
Bhh04
Indica or sativa?Please can anyone help me identify if it's indica or sativa?Leaves. Other
Other. General questions
Plant. Other
4y ago
5
5
Solved
Terry420
Advice on harvest TimeHey guys
Looking for advice on harvest day I’m thinking 2 weeks so I’m beginning flush and water feed from tomorrow. Any advice ?Buds. Other
Other. General questions
5y ago
2
3
Solved
BullWeedDog
como optimizar mi espacio de cultivo de 1x1x2m???tengo un espacio de 1x1x2m y un balastro electrónico de 600w graduable, quiero saber como optimizar mi espacio de cultivo cuantas macetas colocar de cuantos litros y que técnica me vendría mejorOther. General questions
Setup. Other
Techniques. Other
3y ago
1
1
Solved
Mikewithgreenthumbs420
Do I cut leaves off not sure what's leaves too trimDo I cut any these leaves off from bottom lower branches I FIM my little girls twice now blueberry Casey Jones lower nodes are growing nice just not sure what too cut of trimOther. General questions
Techniques. FIMing
5y ago
4