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cannabis stressed plants has seeds

The benefits of a well-tended grow? Happy plants and bountiful yields. And the penalty if you do not treat your plants just right? Smaller yields, if not popcorn buds – or even no buds at all. Not being treated right causes stress to cannabis plants. And stress does not bring out the best in your cannabis crop.

Every plant needs water. Cannabis is no exception. Water helps plants create their own “food” in the form of glucose. As such it is a key component of photosynthesis. The water turns into CO2 as it evaporates. Internally, water pressure also helps leaves keep their internal structure. Hydrated leaves do not wilt. Too much water, however, is just as stressful as not enough water – preventing nutrient uptake and resulting stunted growth. Keeping your plants in a warm, moist environment is key to ensuring happy, unstressed grows.


If cannabis falls outside of the pH range, it can cause nutrient lockout, which in turn, stresses the cannabis and causes problems.

When growing outdoors, lighting is not an issue, as things happen naturally. But move your plants indoors and you become the “sun” and the “moon.” It is critical to keep strict light schedules for your plants. They need both light and dark and on a regular schedule. During the vegetative stage, your plants will need 18 hours of light. During the flowering stage, plants need much less light. About 12 hours. Making the switch at the right time will definitely affect your yield.

Cannabis plants require a soil pH of between 6 and 6.5. The pH level of soil is a measure of how acidic or alkaline it is. Higher numbers – above 7, show that the soil is more alkaline, while numbers below 7 are more acidic. Cannabis is just about in the middle. You must keep the soil in this general range otherwise the plant will experience stress. You should also make sure the water you feed your plants falls in this PH range. Note: for hydroponics, the ideal pH range is a little lower – between 5.5-6.5.

Below five degrees, cannabis plant stops growing. This happens especially when they are seedlings and are in their first phase of life, coinciding with the spring months in which nights are usually chillier. If you see that at night time temperatures drop too much, try covering your plants so that they are not so exposed to the cold. If they are exposed to too high temperatures, you can use shading meshes, which can reduce the temperature up to seven degrees.

Either by too much heat or too much cold, cannabis plants suffer stress during very cold nights or very hot days. Marihuana plants have a great capacity for adaptation and they can properly develop in different climates, as long as the temperature parameters remain at what we consider suitable for cannabis, that is, from 18 to 29 degrees centigrade.

Stress by excess or lack of nutrients:

Lack of nutrients is normally not due to lack of fertiliser. Often the problem is that the plants cannot absorb them. One of the most common reasons is the accumulation of salts in the substrate, which causes the tips of the roots to burn and results in an insufficient absorption of nutrients.

Stress does not always imply negative consequences; just like certain stressful moments can be a stimulant to produce positive reactions in humans, in plants, certain situations of stress can help them get stronger and better adapt to the environment. However, we all know the negative effects of prolonged or too intense stress situations on our health−like being under a lot of pressure at work, suffering from post-traumatic stress after a car accident, etc. The same thing happens in the plant kingdom; when plants are subjected to situations in which stress is too intense, their development will be affected and therefore their growth and flowering.

Any tissue breakage, loss of branches or leaves and damage to the trunk will be a source of stress for the plant. It is quite common for your outdoors cannabis plants to be exposed to these types of accidents (wind, animals, etc.).