If you need to increase the temperature, you can use a variety of traditional heating options, including electric, gas and other sorts of heaters typically used in homes or commercial buildings. Heat lamps and insulation are other possibilities, while heat mats underneath containers can warm the soil. In larger spaces, a fan can help circulate warm air so all plants can benefit from it equally.
Just like people, plants do their best in a particular temperature range. Generally, pot plants in their vegetative stage prefer a temperature in a range from about 68 to about 77 degrees Fahrenheit. When they are flowering, cannabis plants like a range of about 65 to 85 degrees Fahrenheit. They can live in lower and higher temperature, but since you can control the heat simply indoors, why not give them what they want for maximum growth and potency?
Water is a crucial element of life, and pot plants are no exception. They need adequate amounts to thrive. Growing plants inside, you will need to provide a steady supply of just the right amount of H2O. You could hand-water with a hose or a bucket, but that is a time-consuming and inefficient process. A good drip irrigation system can deliver just the right amount of water to each of your plants efficiently and reliably.
How to Get Sunlight & Fertilizer for Indoor Cannabis Plants
You can buy all the parts necessary for a drip system individually and assemble them yourself, but drip irrigation kits offer an easier and more economical option. They give you everything you need and can be assembled in as little as a few hours. By adding an automatic timer, you can even ensure your plants regular watering when you are away.
Whether you want to raise cannabis commercially for profit or are looking to grow some bud for recreational fun or medical marijuana for good health, setting up and using a grow room offers lots of advantages. Unlike growing marijuana outdoors, raising it indoors in a grow room allows you to control all the crucial conditions that affect its growth, like temperature, light, nutrients and water. In addition, growing weed indoors will keep it away from destructive four-legged pests like rabbits and deer who may want your crop.
In addition to high summer temps outside, grow lights themselves can cause excessive heat. If you are battling high heat, look for lights that emit less heat. In addition, you can use fans or portable air conditioners to cool your grow room to the proper temperature.
You will also want to be sure to provide your plants just the right amount of fertilizer. Many commercial fertilizers specifically formulated for cannabis are on the market. You can also mix your own with fertilizers high in nitrogen, phosphorus and potassium. If you do have a drip system set up, fertilizer injectors will help you as well.
To help you get the most out of your pot-growing efforts, DripWorks has put together some basic tips to help you achieve the ideal grow room conditions for growing cannabis indoors. Whether you are growing one marijuana plant or a thousand, these ideas for perfect grow room conditions should help you get the most out of your efforts.
This technique is most effective during the first 2-3 weeks of the flowering period – when you have just switched to a 12/12 photoperiod. This is when cannabis plants put a lot of effort into their pre-flowering growth, creating the building blocks for their colas. At this phase, you will want to consider increasing the night-time temperature to match the day-time – this will really minimize the massive internodal growth associated with this time period and allow your cannabis plants to focus on growing much denser buds. Look at it this way, what use is extra stem to you? Surly you would rather your plants direct their energy into bud growth rather than throwing it away with longer stems?
In a standard, well ventilated grow room the optimal temperature tends to be between 24-29 °C (75-85 degrees Fahrenheit). There are other factors that can warrant higher temperatures. For example, if you are enriching your cannabis crops with extra carbon dioxide then you will need higher temperatures for it to be efficient, usually around 30-32 degrees Celsius (86-90 degrees Fahrenheit).
Another important factor to consider during the flowering phase is that total bud size is largely impacted by the average daily temperature. It is important you make sure that temperatures do not drop below their day and night optimum; doing so will cause your buds to grow less than their potential.
After the initial 2-3 weeks you can reduce the night-time temperature back to its original 71 degrees Fahrenheit (22 degrees Celsius). This will stop the plant getting stressed. If there is a zero difference between night and day temperature for more than three weeks, your plant leaves may begin to discolor due to leaf chlorosis.
Extra Tip: Reducing the night temperature to 62-66 degrees Fahrenheit (17-19 degrees Celsius) for the last two weeks of flowering will trigger the production of anthocyanin. This will really bring out the color of your buds making them look much more appealing. This is usually done once buds have reached their maximum size and you have started the final flushing process. It is not essential however, and can be overlooked if it is not practical – it is purely a cosmetic consideration.
As an example, let’s say your grow room is at the normal optimal day-time temperature of 75 degrees Fahrenheit (24 degrees Celsius). To reduce internodal length growth you will want to try to maintain the temperature at 71 degrees Fahrenheit (20 degrees Celsius) at night.
Temperature is a very important factor to consider when growing cannabis. The temperature of your grow room will have an effect on the rate your plants photosynthesizes – the process in which they turn carbon dioxide, water and light into food. If your grow room is at the incorrect temperature, your plants will not be able to photosynthesize efficiently, thus negatively impacting the rate at which they grow.