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FIM Your Way to Multiple Colas! by Sirius Fourside FIMing: The act of pinching or cutting a young cannabis plant in such a way as to force it to grow 4 main colas instead of one. FIM is used as a word itself, but is actually an acronym for “F**k, I missed!” So what exactly is FIMing? FIMing is an easy way for growers to dramatically increase their yields while also making the plant more manageable for limited spaces. I know that sounds too good to be true, but it’s definitely the case! The problem with the natural growth pattern of the cannabis plant is that it tends to be shaped like a Christmas tree. This is inefficient, and not very good for indoor growing since the main cola will typically receive much more light than the rest of the plant. When you FIM your marijuana plant, it grows 4 main colas instead of one (this is where the extra yields come from). Next, the grower would typically tie those 4 colas down a bit to help force the plant into having a flat canopy. This allows you to lower your lights and makes it so most of the plant is receiving a higher overall amount of light. Whenever you see a picture of a marijuana plant with multiple large buds that are at a similar height, the grower almost certainly used FIMing or another technique called ‘Topping’ to achieve this. At this point, choosing whether to FIM or not might seem like a no-brainer, and I agree that it’s a technique that most growers should employ. However, nothing is absolute, and there could be a few scenarios where FIMing isn’t for you: If you’re doing a tiny microgrow, such as in a computer caseIn tiny stealth microgrows, there isn’t always room for an effective FIM.If you’re doing '12/12 from seed'Your plant will get close to skipping the vegetative stage, and that’s the only time to FIM.Auto-flowering strainsIt's generally a bad idea to top OR FIM auto-flowering marijuana plants, as they don't have enough time to recover before they start flowering, similar to plants grown 12/12 from seedYou don’t like having lots of weed at your disposalI know that sounds like a joke (it was, a bit), but some places have limits to the amount of weed you can possess, and FIMing could actually get you in more trouble in some cases because of all the extra buds you will produce.FIMing vs. Topping First, what is ‘Topping’? Topping is a technique similar to FIMing, wherein you cut a young cannabis plant to create extra colas. However, unlike FIMing, the Topping technique produces 2 colas instead of 4. This article is about FIMing, and does not go in depth about Topping. FIMing can be a superior choice in many cases. Why FIM instead of Top? FIMing is less traumatic to the plantWhen you FIM your cannabis, you only need to pinch the newest growth, which doesn't really stress your plant much. With Topping, totally removing the newest growth is necessary, which is a stressful event for young marijuana plants. FIMing barely slows down plant growth; Topping slows down plant growth considerably for a short period. When you FIM your plant, you will see recovery move at a much higher speed than with Topping. When I FIM one of my plants at the beginning of the day, I can usually already see it adjusting by bedtime. FIMing creates 4 main colas at once, while Topping only creates 2.Double the main colas…no explanation needed!It’s easy to FIM a plant more than once! I wouldn’t necessarily advise this tactic for growers who are new to FIMing, but definitely keep this in mind! You can FIM your cannabis plant more than once, and with some Low Stress Training, you get plants with dozens of colas like the one to the right. How to FIM Your Marijuana PlantsThere are three important factors we need to pay attention to when FIMing your plants for the first time: Pinch vs. Cut – What method do we use to remove/damage the new growth and force new colas? Amount – How much do I pinch/cut? Timing – At what point in the plants development do we FIM?Pinch vs. Cut When you’re FIMing your plant, you have the option of either cutting off a piece of the new growth or pinching it. Both have the potential to work equally well at forcing the plant to create new colas. However, I strongly recommend pinching your plant instead of cutting it since pinching leaves more room for error. Another benefit of pinching is that it leaves the damaged foliage on the plant. This way, your girls at least have a chance to continue using those leaves if they can, whereas with cutting they don’t have the option. Here’s a case: In my last grow, I saw a few weird looking leaves that appeared to be chewed-up. Upon further examination, and judging by where I found them, I determined that they were actually pinched leaves! The plant kept those leaves, and used them to make energy all the way til harvest! Amount When FIMing your plants, the amount you’ll want to pinch is actually quite small. You’re basically pinching the tips of the leaves of the newest growth on the main cola that hasn’t ‘stretched-out’ yet. See the picture further down for a good example. Timing The first pinch or cut in a FIM should happen when your plant has 3-5 nodes (or sets of leaves) in total. Once that initial FIM has been completed and the plant has recovered, a grower can use his/her discretion to determine when to FIM again as it’s mostly based on plant health and desired shape. Just remember to make sure your plant looks healthy and recovered before FIMing again! copied and pasted from - http://www.growweedeasy.com/fim-your-way-to-multiple-colas Topping a Plant 1. Locate the very top of your plant and cut through the main stem just below the newest growth. This should be done after the 3rd or 4th leaf set but can be done at any time after the 3rd leaf set. 2. Shows Plant Top cut off and where the 2 new Branches that will form a "Y" in the main stem will grow from. 3. Shows the newly topped plant after 2 days of growth, notice the Y in the Stem Forming. copied and pasted form - http://www.cannaversity.com/cannaversity/article.php?id=091 Fimming After seeing and hearing many questions about the FIM method I decided to do a tutorial on this method to show exactly how it is done and the results that can be achieved. FIM stands for Fuck I Missed and im not sure how it got that name because its very simple to do. I use this method all the time to help create a wide canopy with many branches and colas. Some people FIM each plant more than once to create even more colas and branches and it works very well for them and has very minimal stress on the plant. I usually FIM plants when they are about 10-12 inches tall (I have done it on both taller and shorter plants) but the earlier the better. As long as the plant has at least 4 true sets of leaves it can be FIMmed successfully. All FIMming should be done at least 2 weeks before turning to 12/12 to maximise the growth potential of the new shoots and maximise the benefits of using this method. #1 Locate the very top of the new growth. #2 With a clean, sterilized scissors, Fold the fan leafs over and cut approximately 80% of the new growth off the plant. #3 This is what it should look like after the cut has been made. #4 View of the Cut section after 2 days growth, showing the 4 new growth shoots (branches) I sometimes dont even use scissors and I just pinch out some of the new growth with my fingers. Heres a few pics of another plant that I pinched with my fingers. This plant has been neglected throughout its short life so far and it has been sitting under a shitty fluro light so it would be doing much better under some decent lighting and better conditions but it gives you an idea of the early progress. You can see the dot where the FIM was done. 4/6/09 Now you can see how many new shoots have started to form and you can get some idea of how many main branches this plant will have This is the difference between FIMming and Topping: copied and pasted from -http://www.marijuanagrowing.eu/tutorials-tips-tricks/the-fimming-tutorial-t36632.html Peace Lams
Hello all, I have some regular super silver haze seeds. You know that ssh is too tall strain, so i want to top them in vegetative stage. However some people say that the sex of a reg plant isn't predetermined and any amount of stress such as topping will make the plant more likely to turn male. Does anyone have any experience with topping regular plant which sex is not determined?
Hey everyone. Im currently running on a student light setup = x2 45w CFL and x2 20w CFL = 130w Cupboard grow Strain: Dinafem Blue Hash My question is, would topping be a bad idea with such little wattage or a good idea in terms of space and getting enough light to the entire plant? i want to try and achieve the dankest buds possible for the setup, and ive read a few forums with people complaining about getting airy buds from topping. If i do top, im only looking to top once around the 4th or 5th node. The plant generally will reach 60-70cm (2feet+-) Many thanks