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Can Marijuana Plants Survive in 100 Degree Temperatures?

Marijuana plants can grow in high temperatures, but sustained temperatures of 100 degrees Fahrenheit (38 degrees Celsius) or higher can be stressful and potentially damaging to the plant.

In extremely high temperatures, the plant may begin to wilt, dry out, and show signs of heat stress. The leaves may curl, turn yellow or brown, and drop off. High temperatures can also cause the soil to dry out quickly, requiring more frequent watering.

To prevent heat stress, it’s important to provide shade and adequate ventilation to your plants during hot weather. If growing outdoors, consider using shade cloth or planting near trees to provide shade during the hottest parts of the day. If growing indoors, ensure that your grow room has proper ventilation and air conditioning to maintain a cooler temperature.

It’s also important to ensure that the plants receive adequate water and nutrients during hot weather. If the soil dries out too quickly, the plant may not be able to absorb enough water and nutrients to sustain its growth.

In short, while marijuana plants can tolerate high temperatures, sustained temperatures of 100 degrees or higher can be stressful and potentially damaging to the plant, so it’s important to take steps to protect your plants during hot weather.