In theory, it should work well because marijuana plants have a triangular shape when grown outdoors because of how natural light exposure works. The sun rises low on the horizon, beams directly down at around midday, and drops away again. The problem is, side light assumes that weed grown indoors will react in the same manner. In reality, natural selection is extremely versatile. In this case, success is when a female plant is pollinated, develops seeds, and propagates.
As you probably know, female weed plants shoot their flowers as high as possible to boost the chances of pollination. The top and outer buds receive preference. Training techniques such as topping help produce two main colas. Therefore, if you only use side lighting, your Jack Herer plants will have large and fat top colas, while the interior and lower buds will remain small. However, you have to be in complete control of your growing environment for side lighting to be effective.
It is also worth trying training techniques rather than opting for side lighting. Training techniques aim to maximize horizontal growth and break the main stem dominance to ensure more buds receive light. When done correctly, these techniques can result in even bushier Jack Herer plants with more colas. Here is a quick overview of three such training techniques:. Fertilizers have a standard N-P-K reading on the front of the packaging. It tells you the ratio of nitrogen N , phosphorus P , and potassium K.
Typically, marijuana plants need more nitrogen during the vegetative stage and more of the other two nutrients when flowering. As a result, it needs less nitrogen than other plants overall. A fertilizer with a ratio works well as the buds get bigger.
It is simply a case of requiring more or fewer nutrients for optimal growth. It is a mistake to neglect other vital nutrients such as sulfur S , calcium Ca , and magnesium Mg. Very few growers, especially first-timers, ever have to worry about nutrient deficiency. Nutrient burn, on the other hand the process of providing plants with too many nutrients , is a significant problem.
As we mentioned above, Jack Herer is a monster when grown outdoors. The main issue is finding the right growing conditions. For the record, Jack Herer prefers to grow in a moderate climate with temperatures between 70 and degrees Fahrenheit.
You can expect your Jack Herer plant to begin adjusting to daylight changes as nature intended. Ultimately, they should be able to flower by themselves. As the days become shorter, the plants are exposed to enough darkness to switch into the flowering stage. You can use a polyethylene sheet to block out sunlight or even build a screen if you need outdoor plants to flower quickly. The plants are still not ready yet but are getting close. I will try to get some updated pics up soon.
Males are usually bigger and start to flower sooner. At that point you would separate them. If you are just starting I would recommend buying feminized seed for my grows. Colloidal silver or silver nitrate are used to make fem seeds.
So unless you already had a male mother plant to flower before the grow, you will probably have to save the pollen for the next crop. Jack Herer is a great strain, you will love growing it, it is a heavy yielder and is considered to be one of the top 10 strains of all time. Hope this helps. I hope your back is better. That was a very interesting experiment. I only tried a continuous light scenario on auto-flowering strains. I wonder if you had tried to improve the process in any way. The voices in my head are telling me that, perhaps, the grow should have been initiated under fluorescent tubes instead of HPSs, to minimize the stretching.
Or the MHs. Or any other type of lamps that emit blue er spectrum light. I am strictly growing aeroponic now. Seeds go in rockwool or rapid rooters. They get about a week under fluorescent tubes so they are big enough to get through the neoprene collar on the net pot. I also grow more from clones right now. I actually think with some strains like OGs and Haze they just have long internodes no matter what you do.
I think training like supercropping is the best way to deal with height issues. Not sure if that helps you or not. Get the plant to optimal distance from the lights for your system. It is the temperature during darkness which makes the most difference for internodes. Raise your temperature about degrees during darkness and your nodes will be short.
This makes the plant confused about chemical production and food storage at night and during the day and in an environmentally controlled room you can shorten the stalk and internodes growth by artificially stunting the plant.
You will never be happier. Complete plant control. Also works with most other annual plants. Definitely agree about controlling temps for shorter internodes. Not always possible unless you have a regular grow room. In a closet it gets trickier. Great strain, just takes too long and I prefer OGs now. I have made major upgrades to my closets though and have them dialed in much better now.
Thanks for the grow tips! How tall do your plants get? I have about 3 feet of vertical space when you factor in lights LED and the container. Jack Herer is a great strain. It is a vigorous strain and really does not need any veg time.
Personally I would do a scrog with it. I would top it low and select 4 or more branches to fill the scrog and then flip it. So go for it and good luck on your grow. Growing jack for the first time flooring flooring seven weeks now look good frosting up very nicely. These ladies have a ways to go yet. The Jack Herer yield per plant varies from grams per plant per meter squared and grows to a height of four to six feet or meters tall.
When growing Jack Herer weed outdoors, harvest time is the end of September or early October for the Northern hemisphere. The plant is a multi-award winner and has gone on to win countless awards, including 2 Cannabis Cups and twelve High Life Cups. The plant is a living tribute to a legend in the marijuana community that continues to grow over time. For tickets check out the website The Jack Herer Cup.
Jack Herer was an activist and marijuana crusader and writer. He often advocated the benefits of the cannabis plant in all aspects of society from a fuel source and clothing to medicinal use. Ironically in his earlier years, he was military police during the Korean War and was totally against marijuana.
He gathered as much information he could find from history to industrial use, medical benefits to backup the claims.
Want to learn more about growing marijuana? Climate: Moderate climates with temperatures between 70 and 85 degrees Fahrenheit. If you have a known sativa phenotype and live in a climate with warm fall weather, let Jack Herer grow outside and see how truly massive a sativa can get.
Feeding: Sativa-dominant plants can be vulnerable to overfeeding. Make sure to feed lightly at first, looking out for nutrient blockage or burn. Flush plants if you ever feel like you have overfed.
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