When the marijuana grow room temperature is above 85 degrees Fahrenheit, photosynthesis will be affected; however, the plant will still produce sugar. For the sugars to be distributed throughout the plant, the plant temperature should be above 20ºC or 60ºF. In the case of sugars, heat is a good thing. If the plant is not warm enough, the sugars will be stuck, and the plant will suffer. Once the plant is warm enough, the sugars will be distributed to their respective places.
On the other hand, you also don’t want it to get too cold. When using a tent, the marijuana grow tent temperature should always be above 60ºF. Anything below that and the plant growth will be stunted, the plant may freeze, and it will eventually die. Sometimes you might experience a night or two where temperatures may fall below 50ºF, but as long as it is not prolonged, you don’t need to worry. Keep in mind, outdoor cannabis may die if the temperature drops below 40ºF. Some plants can withstand the cold, but their yields will be less than that of a typical plant because of delayed growth.
Do marijuana plants stop growing at certain temperatures?
Maintain a cool environment by installing an exhaust fan to make sure that the hot air from the area is directed outside. To prevent smells from escaping with the heat, use an exhaust fan that has a carbon scrubber.
Near the end of your plant’s life, during the late flowering stage, humidity levels should range between 30-40%. Purchase a hygrometer to monitor the humidity levels of your plant’s environment.
Maintaining the ideal temperature for your marijuana plants when using a grow tent is not always the easiest thing to do. This is because marijuana plants require different temperatures at different stages of their growth.
Many people forget this, but it’s true—your cannabis seeds are living organisms. Before they germinate, however, they are in a state of rest (much like some animals when they hibernate). And like all living things, seeds can die. When storing your seeds, you’ll want to give them the optimal conditions to ensure they hold through until you’re ready to germinate and plant them.
Older seeds often have an extra tough outer shell. Gently scratching this shell with some sandpaper can help moisture and warmth enter your seed at the time of germination. Try gently scarring your old cannabis seeds just before soaking to help them sprout.
YOUR SEEDS ARE ALIVE
For short-term storage, a dark cupboard or drawer with stable temperatures is usually fine. Try to keep your seeds out of areas of your house that are susceptible to the natural temperature changes of your local environment.
In a last attempt to germinate your seeds, creating a small cut in the seed’s shell may help. However, this is no miracle cure, and you’ll need to be careful to avoid damaging the inside of your seed.
Ideally, you want to store your seeds in a cool, dark, and dry place. Whenever possible, keep your seeds in their original packaging. At Royal Queen Seeds, we’ve specially designed our packaging to protect our seeds until you’re ready to plant them.
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