The flowering stage of cannabis is when the plants begin to produce sets of flowers. For the most part, you will find that any bloom formula works well for cannabis and should most likely be used at the start of flowering to increase the onset of flowering. If your plants have already started to stretch there are some ways to fix the problem, if you notice it early enough. hide. Some Notes. The stretch of your Cannabis plants will slow as we reach week four, but expect the upward growth to continue. If your plants are notorious for having weak stems and branches in flower cycle, even though you have lots of fans... take a good look at this as the cause. The first couple of weeks into flowering you won’t notice much happening then suddenly, the buds shoot up and the plants grow considerably. How much taller will your cannabis plant grow after being put into the flowering stage? The Flowering Stretch [gif]. The pistils will still be white at this stage and sticking straight out from the buds.. Posted by 3 years ago. The flowering stretch. 15 comments. Pictures. Stretch is generally considered an unavoidable evil, but some marijuana growers prefer a bit of stretch … You may want to lighten up a bit on the nitrogen. Plants will be more dependent on higher amounts of P-K now until harvest. During this … Marijuana will grow in height throughout its flowering phase, but the first 2 weeks of flowering will show the most dramatic change in height and internodal distance. This is When my blue cookie strain didn't stretch! Once the pre-flower stretch is complete, you won’t easily see the netting any longer. Just about to stop the stretch to almost the height limit - phew. Plants will grow during flower, true. report. The Stretch – Final Growth and Flowering sites. If it is during the vegetative state or the first two weeks of the flowering stage, you can use blue lights to reduce it. This simple step could save a bunch of trouble later on. At this stage you’ll finally be able to see the buds as they continue to develop. For you, as a professional grower, this is the most important part of growing marijuana. Marijuana will grow in height throughout its flowering phase, but the first 2 weeks of flowering will show the most dramatic change in height and internodal distance. 28. Pictures. Those are my important days for that situations. If I happen to end up in the awesome situation where i veg too long and get a larger plant than I usually do in my room and I think it will give me stretch problems i defoliate on day 1, day 21. Pruning, FIM'ing and topping. But stretching refers specifically to a plant's reaction to not enough light. The short answer is somewhere in the fourth to fifth week of flowering your buds should stop growing in height (stretching) and start thickening. To stop stretching deliver more light. Stretch time will let you know exactly how big your plant will be for harvest, so here WE GOOO! Week 1-3: The Flowering Stretch. By the time flowering came all the nutrients in the soil in my 3 gallon pot would be gone and needed to get supplemented (id usually start adding nutes around week 3-4 of veg). Apr 7, 2013 #2 However, there is still a lot of good information in this overview, even if you are growing an autoflowering strain. They can also be pruned and trained if you want to grow in SCROG with fewer plants per m2. In limited settings, one needs to make use of topping , ScrOG , and SOG methods during the vegetative phase if the cannabis strain is genetically prone to super-stretching, like sativa cultivars. “Stretch” is a term for the natural vertical growth spurt in early flowering. Cannabis will generally double its height after the lights are changed over to 12-12 (12 hours light, 12 hours darkness) which signals the beginning of the flowering stage. (2x240w blackstar LED's) So what im wondering is is there any way to stop this "flower stretch" or is it just genetics? There are numerous methods of solving stretch. Because im starting to guess this strain of GSC is a lot of sativa this is my first grow ever so any help is appreciative. The flowering stage is the moment we all have been waiting for. How to fix pot plant stretch. The plants will go through a hormonal growth spurt causing them to stretch. Just about to stop the stretch to almost the height limit - phew. ;) What people call “the stretch” is the ~2 weeks after switching light periods, generally 18/6 to 12/12. Sweet Leaf has a lot of the kinds of sugars that plants can use for energy, so early applications lessen the stress caused by low Nitrogen. It is also the stage that gardeners make their harvest. Stretch can also occur in the vegetative phase. During these 2 weeks your plant will have a very strong growth, up to 200% for the most extreme strains. Archived. Some cannabis strains, especially sativa-dominant strains, can triple in height or more during the flowering stage. When your plants switch from the vegetation to the flowering stage, the growth will eventually get slower. Some of the things we talked about included knowing how much space to leave for growth once flowering begins and what kind of spacing and plant numbers a grower might need to achieve their desired yield levels with the strain(s) … On the one hand, many cannabis plants are in fact predisposed to exhibiting a “flowering stretch” during the first couple weeks of bloom. A hard pinch may also result in undesirable branching from the plant if not enough nodes are left on the stems. At this later phase, heavy pruning can delay the onset of flowering, or prevent flowering altogether. But if you follow the charts you can stay our of trouble. The first 10 days of flowering – known as “pre-flower stretch” – describes the accelerated vegetative growth that happens when you put a photoperiod strain into flower by changing the light cycle. My plants always started flower while they were low on nitrogen. Autoflowering plants will stop focusing on root development. Stretch becomes a problem since it can produce tall ganja plants having weak and lanky stems. (There's still a stretch, just not as much - try it side-by-side sometime. Growers are using liquid silicon and silica during flower. “Stretch” is a term for the natural vertical growth spurt in early flowering. Last time in our home growing series here at Medical Jane, we discussed pre-veg and vegetative growth for cultivating medicinal cannabis indoors successfully. Stretch time is one of my favorite times in grow process! The next important phase is when the plants have reached the desired height in the ‘rapid vegetative growth stage’ and are switched into the 12/12 light-cycle (12 hours of light and 12 hours of darkness) to induce flowering. > Continue with veg feed after flowering starts. This is considered a hard pinch and delays flowering more than a soft pinch. For this reason, when it comes to very long flowering sativas with a significant stretch as mentioned, the plants can be started at 12/12 from germination, avoiding excessive vegetative growth. Avoid training your plants at this point, especially topping. However, it may become a bushy plant. share. Using PGRs means it is an easy way to stop the vertical stretch, but this comes at a high cost with lower resin and essential production. Edited December 8, 2009 by leroy During this stage, you can escape with almost any mistake. Flowering Stretch. Plants can be pruned and shaped at any time to reduce stretch and to improve aesthetics. In the same way taproots dig for water and nutrients, the top part of the plant will stretch vigorously if it’s not receiving enough light. You see, before diverting attention exclusively to bud development, plants use the early flowering stage to shoot upwards, sometimes doubling their height in a matter of days. Once into flowering I suggest only LST. Abnormal stretching in the seedling phase is a sign of stress. save. During flower, typically plants will continue to grow (stretch) a to be 3 times taller than during the grow or veg stage, so a 30cm high plant will grow to approximately 90cm in total. I use it extensively in veg and during stretch for massively strong branches and a superior vascular tissue system for transpiration. In general to control growth use one or more of LST, scrog, topping, and/or fimming. Close. Note #1: Autoflowering Strains — If you’re growing autoflowering strains, you won’t need to change their lighting schedule to trigger flowering.Autoflowering strains flower in response to their age, not the amount of light the receive daily. Once pre-flowering is over, you’ll wait between 6-8 weeks to complete the flowering process. Pruning pot plants in veg and early cannabis flower flower will keep the plant from growing skyward. mr2shim Well-Known Member. Maintaining optimum growing conditions is your best defense against stretch. Many marijuana growers will allow their cannabis plants to stretch. Sativas treble in height and stretch for the first 6 wks + iirc and can flower for at least 13/14+ weeks, some as long as 26wks but that's an extreme example. The screen will have turned into a screen a green, the onset of flowers will begin. In some cases, however, growers may wish to delay flowering intentionally, so … Don't get me wrong, I LOVE silicon for cannabis. Keep in mind, stretching isn’t always a bad thing. I try to plan it around my stretch at the beginning of flower. Something to consider is that during the flowering phase, plants can stretch significantly. By far, the most common situation that causes seedlings to stretch and topple over is light deprivation. The Flowering Stretch [gif]. This is so, so wrong, seriously decreasing end quality of the flowers. Pre-flowers will appear in abundance very quickly after 4 weeks. During the vegetative stage, the only concern of the plants is to grow bigger and become bushier. Indicas stretch approx for the first 3 weeks and approx double in height. dudz is right, it also causes stretch in the flowers so you get the dreaded fluffy buds. Marijuana plant stretch can occur in both the vegetative and marijuana flowering phase. Your plant depending on stretch might need a little more N or not. It can also be a problem to growers having an indoor room with limited ceiling height. nitrogen in flower stage is a very touchy thing. When the plants start receiving 12 hours of darkness each day, they “think” that winter is close, and prepare to produce offspring.The first of the cannabis flowering stages, therefore, includes a major spurt of vegetative growth aimed at giving the plant ample size and strength to support those coming buds. The flowering stage is very different from the vegetative stage. I am in the same situation, 3ft tall plants which will grow to 6ft + during stretch in a 7ft high room. Let’s discuss how you can take care of your flowering cannabis and grow the best yield ever. When cannabis plants are allowed to stretch much during the flowering phase, they have the tendency to get damaged and fall over as the weight of the buds increases. The plant still flowers because there isn't as much N, but it doesn't flip out as much and get tall. 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2020 how to stop stretch in flowering