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Kratom Cultivation

Kratom originates from the warmer, humid, tropical parts of the world such as Thailand, and thus needs a similar grow environment to really thrive. For this reason, it is highly recommended that if you grow Kratom, you do so indoors or in a greenhouse.


Kratom seeds can be notoriously hard to get hold of. Because of the nature of kratom, the seeds do not stay viable for very long after harvest. This makes it hard to get kratom seeds from the tropics to your grow area fast enough. It is also worth noting that kratom seeds are very small, this combined with their rapidly diminishing window of life, means you will need quite a few seeds to even get one plant going. If you buy seeds on the internet, be wary of retailers who sell fake seeds – make sure to do a bit of research on the seller before parting with your hard earned cash.


Whilst kratom can grow well in small pots, giving it as big a pot as you can will allow it to bulk out to its full potential - spreading out a larger root network and up taking nutrients and water much faster. It will also mean you do not have to water your kratom as frequently, as larger pots will retain much more moisture.


Mitragyna speciosaThe best soil to grow kratom in is rich, wet humus with an average amount of drainage. The drainage needs to be of a consistency that your soil remains moist without becoming completely water logged, or draining too quickly, drying the soil out. If you are going to go one way or the other, it is best to go towards bad drainage – kratom can deal with swampy, damp environments, so will be better at dealing with an abundance of water than not having any at all. The main problem you will face here is that a water logged environment can greatly increase the risk of fungal infection.

Something that is essential when growing kratom is maintaining a correct soil pH. Kratom will do best in a pH of 5.5-6.5, anything outside of this range will make it hard for kratom to absorb nutrients, getting progressively worse the further away you get from this sweet spot. The effects can range from anywhere between stunted growth to the death of your kratom. You can use various pH testing tools to keep track of this.


Many people will tell you kratom needs HPS growing lights to have a chance of surviving. This is not strictly true, kratom does not require HPS lighting to grow, but if used, you kratom can really thrive. Simple fluorescent lights can be used to obtain standard results, and cost far less cheaper to purchase and run. Even a small 18 watt fluorescent light has been shown to work with small kratom plants without any negative impacts. If you can afford it, you will get best results from exposing your kratom to a 24 hour light cycle.

Temperature and Humidity

Due to the area of the world they originate from, kratom will require high temperatures and a dense humidity.

The recommended temperature to grow kratom in is between 24-32 degrees Celsius. This equates to a Thai winter - the lowest temperature this plant will encounter in the wild. This means that you can have higher temperatures if you wish, but you do not need to – kratom will still thrive in the temperature range outlined. Anything below this range will slow your kratom's growth, whilst anything below 10 degrees Celsius will cause your kratom to die.

Humidity is also another important factor when recreating a condition that kratom can grow naturally in. In their natural condition, kratom will be exposed to humidity varying between 94% in the day, to 53% in the evenings. It is possible to recreate this within a grow room by using humidifiers. You can also purchase hygrometers quite cheaply to measure the relative humidity of your growing atmosphere. If you can maintain a humidity of 90% then your kratom should have no problems, and because of the nature of the plant, it can deal quite well with fluctuations, so don’t be alarmed if your humidity drops suddenly for a short period of time – as long as it is short!

Pests and Disease

Due to the high humidity and moisture required to grow kratom, you need no keep a eagle eye out for fungus and mold, especially on the tops of soil. Consider using natural fungicides to help control any potential outbreak.



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