How would you like to spend just cents on the gram and never rely on dispensaries or sketchy weed connections again? Welcome to the world of perpetual harvest.

As the name implies, a perpetual-harvest grow op provides a contin­uous yield of buds every one to two weeks. This is accomplished by stag­gering separate crops of cannabis plants throughout their various stages of development. Like an assembly line for cannabis, the plants are moved weekly or biweekly from the veg room into the flowering room (depend­ing on the desired harvest schedule. They are subsequently moved through the flowering room at the same rate so that each time new fe­males are moved in to Rower, the same number are moved out and har­vested. In short, when one crop leaves, another is ready to replace it.

non-stop-crop-01You can do it with one plant at a time, or you can do it with 100—your only limits are time and space. The more steps you add, the more spe­cialized care your plants will receive, equaling bigger yields. These facts should help you determine which schedule and setup is best for your situation.

Many people remain unaware of the fact that, in most states where you can purchase medical marijuana, you’re allowed to grow it as well. Each state’s laws differ, but almost all of them have established a set number of plants that you can grow as a patient. Additionally, most states stipulate how many plants a patient can have in the vegetative or flowering stage at any given time. These regulations are designed to allow a medical-marijuana patient to operate a perpetual harvest legally at home. This means you can use your individual state’s laws as the blueprint for your grow.

To make it happen requires careful planning and attention, so you’ll want to have the basics of marijuana cultivation under your belt before attempting even the most basic perpetual grow. This means a decent fa­miliarity with growrooms and nutrient regimens, and it also helps to have experimented with several different strains. Plus, with specialized rooms involving different lighting, temperature and humidity levels, you should expect to spend more than a little money on equipment and setup—not to mention the many hours of your life this will all eat up.

non-stop-crop-02Therefore, we are issuing the following DISCLAIMER: The perpetual harvest is not for beginners and can take over your life if you let it. One missed step will set you back weeks or even months. Even with timed lights, drip lines and automated nutrient feeds, you’ll need to do a major crop rotation at least once every two weeks and have eyes on the plants nearly every day in order to catch any problems in time.

With all that said, a conscientious cultivator can juggle multiple strains of marijuana with different growth times and requirements using just two separate rooms. Imagine growing both indica and sativa vari­eties, side by side, under two different schedules. All it takes is a good sense for timing and a little calendar marking.

WiLL BUILD TO SUITConsider the nautilus: The animal inside forms a new chamber each time it out­grows its former one. Each new chamber is proportionately larger than the last one throughout its lifespan. Meditate on this principle when you design your grow space.

Your perpetual-harvest schedule and your growroom setup are intertwined and need to be coordinated. The space you have to work with will be the ultimate de­ciding factor in the size of your production. All perpetual grows need at least three chambers—one for the mother(s) and new cuttings, one for the vegetative stage, and one for non-stop-crop-03the flowering stage—and each chamber or compartment will have unique requirements for lighting, temperature and humidity.

A little forethought in designing your op will translate into huge savings of time and energy when you get down to busi­ness. Simple things like tray racks with casters and configurable dividing walls make your life infinitely simpler on plant-moving days. If there is such a thing as growroom feng shui, you’ll want to incor­porate it into your plans. Every step of your schedule should flow easily into the next.

The first thing to bear in mind when you envision your space is the develop­ment of your plants from cutting to curing. The amount of room and light they require changes greatly as they move through each stage of growth. Because flowering generally takes more time (assuming you don’t want to veg for three months), you’ll have several different batches in the flow­ering room at once. Plan for this when you cordon off your different chambers.

Remember that as your plants grow, their position in relation to the lights will need

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