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10 Most Common Growing Marijuana Mistakes

Growing marijuana is not easy. It takes years of practice to be able to grow a potent sticky bud. However there are some common mistakes that majority of rookie as well as some experienced cannabis growers still make. We have put together a list of 10 common growing marijuana mistakes and advise how to avoid them. Are you guilty of any of them? Share below!

1. Don’t Over Water Your Marijuana Plant

Over watering kills marijuana plants. Water once the top few inches of the soil dry out.  Hydroponics is harder to over water because rockwool has such excellent drainage properties. As long as the rockwool cubes are not sitting in liquid it is virtually impossible to over water a hydroponic setup. A hydroponic setup could either be watered constantly as the drip method, or once to three times a day as in the flood and drain method.

2. Don’t Tell People You Grow Weed.

Seriously. Just don’t. Why? They will only be jealous. People love to feel important and that is why they will tell other people; because others will listen to them. Keep it to yourself. This is one of the most common reasons for being caught, so again – don’t tell anyone!

3. Touch/Kill Germinating Seeds

Please have some patience. It sometimes takes 10 days for a seed to sprout. The paper towel method is not recommended because you must handle the seeds when transferring them from the paper towel to your growing medium.

4. Grow Seeds From Seeded Marijuana

One of the greatest disappointments known to the growing man. 90% of what the final product will be is in the seed’s genetics and has little to do with the environment the plant is grown in. Many get their hands on the seed and think they have a gold mine. They will probably grow something like this: hermaphrodites, tall late flowering females coupled with early flowering males. This is because the only pollen that could have produced the seed was from a hermaphrodite or a very stunted and late flowering male the grower did not notice.

Unless you are prepared for possible disappointment don’t use “unknown” seeds. This is why people buy seeds from seedbanks.

5. Don’t Over Fertilize

Fertilize after first 2 spiked leaves appear. Follow the label. DON’T FERTILIZE EVERY TIME YOU WATER!!!

Start with 25% and work your way up! Leach the plants with lots of pure water every 2-4 weeks. Organic marijuana growing is recommended. It tastes better and burns much better. If the leaves suddenly twist or fold under, Leach and Spray with pure water for several days!

6. Don’t Under Fertilize

Under fertilizing is less common but it happens. If you are one of those people that likes to give the plant just enough nutrients make sure you use a organic soil mixture with blood meal and bone meal or some slow release fertilizer with micro nutrients.

7. Don’t Start With Clones

Start with seeds. Bugs are a pain, So are plant diseases. Many growers are able to grow indoors without pest problems for years. If they do get pests they are probably not enjoying the change from their usual diet to marijuana resin! But as soon as you come in contact with others grow material (cuttings) it is almost guaranteed that its from a long time grower that has many different pests all eating marijuana and bug spray (and surviving) for hundreds of generations!… Think about it.
(I personally don’t agree with this, I use clones and cuttings.)

8. Don’t Start Too Early Inside or Outdoors

For several reasons! If you are starting outdoors June 1 is perfect. But if I start earlier I will get bigger buds right? Probably Wrong!

It’s strange but usually true. Let me explain. Plants started in early spring will get big but they will take significantly longer to start flowering. This is because at the peak vegetative period they sense the light cycles getting longer and longer, until June 21. But they don’t realize that its time to flower yet. Finally in the middle of August the plant says “HEY, time to flower already” and it produces buds in August and September or later they will be tall as trees but thinner buds due to the fact that the sun is not as strong in September. Now if the ganja plants were put out later, as soon as they get a foot off the ground they say “what’s going on” I am just in early veggie and the light hours aren’t getting longer in fact SHORTER”. Then the plants go crazy and since the sun is so bright in July and August you get amazing 6 foot trees that are heavier than the plants started in April!!! In addition to finishing earlier the late started plants are not nearly as noticeable.

Indoors is the same for different reasons. The light cannot penetrate more than a foot or two. So flower when plants are a foot tall. If you wait longer because you want bigger yields, you will get smaller yields and wait longer for them.

9. Don’t Provide A Bad Environment

Always provide air circulation and fresh air even during the night cycle is fine. All the air indoors should be replaced every 5-10 minutes. Humidity between 30-70% temp aim for around 75-85′ Even seedlings need a gentle fan to strengthen the stems.

10. Don’t Harvest Too Early

I know it’s hard. You see the buds and resin forming at a rapid rate. The buds are potent and you feel tempted to chop’em down! The only problem is that another 25% of the weight will form in 2 more weeks. Wait until the plants have totally stopped growing and the white pistils are at least 50-75% brown.

*NOTE: Outdoors if security is a factor make your own call on when to sacrifice the fields. Also take buds continuously in case of thieves.

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  1. Tony Yankee says:

    I have my plants outside and they re starting to bud heavily. Is there anyway to reverse the budding so I can still grow these plants

    1. Savage grower says:

      Put her under 24 hour lighting this will put it back into veg (reveg)

    2. grower says:

      Either harvest soon or let them re-veg. No problem letting them veg again unless you have to quit growing at a certain time.

    3. R C says:

      I think I over fertilized my plants my small . Ones died my big ones leaves r turning yellow n brown burn spots wats going on help me save these sorry for post jack

      1. Artemis Rose says:

        Did you check your lightings? It could also be too hot for your plants. brown spots could also be because of light burn.

    4. randy says:

      Hello everyone hope u all having a good grow season ok my first te growing and i have seeven to eight feet tall plants they are in bud iam woundering do i cut the sucker branches off at bottom help the buds to do better and how often should i be watering while they are budding

      1. 421greenery says:

        It will definitely help to chop the lower stems off but make sure not to get chop happy…The leafs are what are producing your plants food (sugar). Chopping of some of the lower stems will also help focus the plants energy into the top part of your plant. This is where you will get most of your big buds from. Also you do not need to change you watering cycle, just stick to the same regiment you had while in vegetation. I take it you are growing outdoors from the size of your plants but it wouldn’t hurt to add some nutrients that are magnesium and potassium rich. This will help with the flowering. Good luck and enjoy

  2. Savage grower says:

    To tony Yankee just put her under 24 hour light for a bit it should revegg

  3. marty says:

    did u start these plants inside under lights??and then moved them out side?

  4. dom says:

    Hello I’m a new grower, I have 2 plants white widow that I started from seed in side for about 2 months, they grew about 3 ft tall and summer just started and I planted them out side thinking that they will keep growing in veg and get very big, but I found that they started to flower and I still have 3 months until they are supposed to come down, will the plants keep growing in flower or will they re veg, also will my plants turn into herms and be worthless. Or will the seeds they produce be germinated? I’m stuck and need help.

  5. themomma says:

    i feeling a little lost, huge smoker and decided to grow for our own use, but all i used was the seeds i got from buying.planted 22 seeds, and i got one spout its been a week and a half i have fertilized and watered doing 12hr light schedules in a very humid attic area i open it up two to three times daily to circulate air dose anyone have tips?

  6. Zeekthegeek says:

    I am confused as to why bag seed from a plant that Hermed would be abad thing after all to get feminized seed do u not force it to go herm. So as to pursuer female pollen?

  7. Travel5762 says:

    I am a Disabled Veteran who suffers from Severe PTSD and I am a second year grower. Thus, I have already made a few mistakes, as I planted in April. Furthermore, I have a problem with my plants wanting to turn yellow. I had no problems with them until I was told to give them rain water as I have them in a greenhouse. I didn’t PH my rain water and I believe that this is where my problems began. Also, I believe that my wife was giving them to much water. Is there anything I can do to resolve this issue? Any and all help welcomed. Peace.

  8. Raswyks38s.a says:

    Hi im a south african grower,im new an need help im growing cheese in the kitchen ,it winter here rigt now but it seems to be growing any advice on growing chees in winter

  9. Ohio grown says:

    Travis let them dry, their root systems will seek out more water making the plant able to hold weighted bud better and gather more nutes, the next feeding give them water and bone meal or a tea of earthworm castings for a nitrogen boost, good luck with the grow

    1. Ohio grown says:

      Themomma- you need a fan on that plant at all times if it is humid, especially in late bud. I would see if you could.ventilate the room better and buy seeds, fem or auto if you are looking for easy seed or tga, raredankness, or cali connection all good seed companies. What light are you using?

  10. Ohio grown says:

    Ras- do you have HID light or using the sun? How big is your cheese? Are you using ferts? If so which ones. Exodus cheese or a cross? I have a cross that is hardy and delicious

  11. Lw says:

    Hey first time grow here planted May23 , and still can not figur out if they are male or female all the nodes have new leafs growing where I should be able to tell the sexu any advice?

  12. Monter says:

    I grow my weed plants out side do thdy bud on there on

  13. mike says:

    Im a new grower and need to know if my light will grow my plants to the end i got them at home depot 2. 24 inch floresent and one 120 wt screw in they are clones and look good now but still young about 6 to 8 inches any help would be great thanks p.s growing cheese

    1. Green Man says:

      Hi Mike, those flouresents aren’t really the best for growing under. You’d probably be ok for the vegatative stage but for flowering you need a red light spectrum with those floros are not going to have. We recommend getting red spectrum leds if you’re worried about heat- or if heat isn’t a factor then the hps lights specifically for flowering, something like grolux will work the best. No point growing under the wrong lighting!

  14. dg says:

    4. Grow Seeds From Seeded Marijuana

    bullshit. this is pure disinfo. how does this shitty information get so high up in search engines.

    1. Green Man says:

      Hi, this site has recently been taken over by new owners and we are currently in the process of redesigning the whole site and also REWRITING all of the content on here. Sorry for the current quality but if you’d like to help us with the rewrite we’d love to hear from you. :)

  15. Smokey Boy says:

    I started my plants a little early. They got white hairs but small buds they are 15 FEMALES from 6-8 foot tall. Will pinching the SMALL BUDS will make them swell? I trimmed a lot of water leaves off. Will doing that hurt the plants?

    1. Green Man says:

      Do you mean fan leaves when you say ‘water leaves’? If so, you should NOT be trimming those off. The fan leaves take the energy from the lights and convert it to food for the plant through photosynthesis, by clipping these leaves off you may think you’re giving the buds more light but in reality what you are doing is starving them. Please let your plants grow new leaves and don’t trim them any more; give the plants time to grow and the buds to swell.

      1. Nick says:

        I done just that out of common sense of course!…seems like it wasn’t after all! LOL

  16. A says:

    I got a plant that I just started growing and some of the leaves are starting to get yellow an I started this plant in the middle of June it’s growing but I don’t know wat to do bc it hasn’t been that hot in ny and it’s almost sept it gets colder .. Wat do I do to hurry the budding process.. Please email me and let me know

    1. M says:

      Hey! Did you get a good ressponse as to what to do for your plant issue? I have the exact same issue and I don’t know what to do. There are so many different things haha. If so I would love to know what I can do so I can save these babies -thanks!

  17. bernie says:

    How long does it take to get buds after lighting is 12/12?

    1. Doja says:

      Yoo Bernie,it should take 3 Weeks for a lot of the White hairs to come out.

  18. Mike says:

    I have 6 weed plants a couple plants leaves are curling in top of buds turning yellowish any help

  19. steve says:

    Been growing for a while the buds are turning out greatly my ? Is when should I start flushing when the tricoms are milky I try to get the best an the most potent as I can get her plz help ty

  20. Donnie says:

    I’m growing out side. Late in year . How do I thickin my death star plant?

    1. stevie says:

      hey i was wondering if u cn help me with growing my plant

  21. schmokie says:

    I planted my babies in late may outdoors. It was just some bag seed that i stumbled upon. I got some 1 gallon pots put some yard dirt in them planted the seeds 1″ deep watered and have made sure they stayed moist at all times. It is now 9/11 and my girl have been floweringfor 3 weeks. I pollenated them all with one male so i could get more seed. I have a full time job and dont have alot of time and my plants look and smell great. People tend to make growing alot harder than it is. Just put seeds in dirt water and let nature take its course. Stop being impatient and watch your babies do what they do naturally. When it looks like bud you want to smoke chop her down and let her dry a bit. Then smoke and have fun. Peace children.

  22. dj says:

    I’ve been growing for about 2 1/2 months I used organic dirt she was 2 1/2 feet at two months been flowering for two weeks and the buss are starting to form white hairs it smells really fruity and I got the seed out of a bag of fire weed I was smoking did I strike gold or nah?

  23. allie says:

    Hey I’m from south africa my plant is about 1 month old I’m new in this game how wil I know when is the right time for what if any one can help me ad me on bbm plz my pin is 2B15FE31

  24. skywalkerAK says:

    My advice to all is to do lots of research and read, read, read! Growing medical cannabis is a never ending learning process so the more you educate yourself with how the plant grows and performs during its different cycles the better grower you can be. Also learn from your mistakes. Some of the best growers in the world are self taught by this method. Happy growing to all!

  25. oden says:

    Hi guys I have a plant that I have been growing ! for About 7 months now and it started budding and my wife picked some leafs off it now it seems like it stoped budding and started growing weird leafs all over it there like along stem with a flat. What should I do I have it on a 24/24 light cycle

    1. Green Man says:

      That sounds really odd. First of all there is no reason to grow a plant for 7 months that is much much longer than the longest lifecycle you will encounter. To get a plant to bud you MUST have it on a 12/12 light cycle; (unless its autoflowering) 18/24 and 24/24 is for vegatative growth only! That is probably why it is so wierd. You’ve grown it for far far to long in vegetative state and now it is stressed and seemingly wanting to bud but can’t because your light cycle is completely wrong!

  26. beginner says:

    I’m a first time grower only got one plant under a 600w hps my plant is about ten inches now how long till it starts budding?

  27. jay says:

    Ive recently started growing my Weed plants. First i moved the plant outdoors. Then brought it back in. ( keep in thought that it is winter time where i am). I keep my plant next to my open window. To allow air to circulate. When should i see result? And have i done anything wrong?

  28. sam says:

    hey everyone
    can anyone tell me what kind of fertilizer do i need to get my buds hard and sticky

  29. e.ponce says:

    Im new at this and I was wondering if you can make mids seeds into some good dro

  30. L J C says:

    Greetings from UK. Been growing bout 2 months, using uv spirals. Seems to be a lot of misinformation concerning weed, some say this, some say dat, learn by your own experience. Marijuana is amazing, but as diverse as the people who love it.

  31. Nicole McCarthy says:

    I have a plant that looked like it was starting to bud but now has seeds. I did some research and I think I had a male plant hermie them. So can they still bud

  32. dave says:

    I started my plant in mid-March. I let it get 4 ft tall and transplanted to a 5 gal bucket. The upper leaves are curling under and the lower leaves have brown tips, What should I do????

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  34. bill says:

    Please help, I have this beautiful outdoor plant that has been flowering for about 9weeks. Today I noticed it’s starting to produce a few seeds…should I harvest and try to salvage it?

  35. Anthony says:

    Well i what a little help getting a 20%or more I live in eastern ky can i get some help from someone

  36. Chancelot99 says:

    Just experimenting but planted 6 seeds in outdoor small starter pots. Way late in season but all came up healthy. My very first time and I am trying to learn by watching closely. At 36 days all into 6th nodes I noticed white flies and larva. So I used a recommended organic pesticide which they did not like. So I lost two plants. The remaining four are trying so hard to grow but they are stressed. Plus they needed repotting so I thought as leaves were stretching beyond perimeter of pot. So I repotted only to find the root systems was not as expanded as I thought. Still they recovering fine. Then I topped 3 of them and clipped lower leaves with the white fly larva on them. They are still trying so hard but I fear too much stress has stopped them from thriving now they still look healthy but grow rate has slowed quite a bit. After topping within end of second day little leaves are sprouting from the nodes, all the nodes too. Just real slow. I am tricking them with a light on in yard which I shut off around 11pm. Do you think these little babies have a chance?

  37. Steve says:

    Hey guys I just Took a shit and Now there is a big brown Bud in the toilet bowl , anny 1 keen to come around and smoke it and get shit faced ?

  38. GKN Life says:

    Just take it off the list! So many more dangerous drugs than cannabis are not on the list, like alcohol and tobacco. Why make this more complicated than it needs to be. Stop creating new law enforcement opportunities and loopholes.

  39. Troxx says:

    My plant is 8 weeks over a foot. Growing leaves in where the nodes are is it a female or male I see no balls no wirehairs but lots of little leaves in tha nodes

  40. Jackie says:

    I’m just growing one plant I think I put too many seeds in the red cup what can happen

  41. MJane says:

    I have a six months plant outside and until now it doesnt have any buds plus its really short!!!

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