Answers to some of our more frequently asked questions


Q: What size does my micro-cultivation facility need to be?

The most common micro-cultivation facility size is 6,000 square feet. However, we have successfully designed and licensed many micro cultivation facilities 4,000 square feet to 5,000 square feet in size as well.

Q: How long does the micro-cultivation application process take?

The micro cultivation licensing application generally takes between 4 – 6 months for approval from Health Canada from the point your facility is fully operational and licensing has been properly submitted. Cultivation license timelines vary elsewhere around the world. Our customers in Saipan got licensed within 3 months, where other areas have been close to 6 months.

Q: How much cannabis can one light yield?

Under ideal conditions a 1,000 watt flowering grow lamp or quality LED contender yields between 1.5lb – 2lb per light. There are many variables such as strain, lighting, growing system, environmental controls, c02 and more that factor in to your overall yield and quality though. Although higher yields are absolutely possible, these numbers quoted are a more realistic average.

Q: How much is cannabis worth in the recreational market?

As a recreational grower you would receive between $5.00 – $14.00 (CAD) per gram depending on the quality. This means that the farmer will sell a pound of Canadian recreational cannabis to the government for between $2,240.00 – $6,272.00 (CAD). The government then distributes it to the dispensaries or sells it online. In British Columbia the one to handle cannabis sales is the BC Liquor Distribution Branch.BC Liquor Distribution Branch Cannabis Updates

Q: How many lights does a micro cultivation facility have?

This can vary depending on the users growing style and budget. Generally a 6,000 square foot micro cultivation facility will house between 98 – 120 grow lights.

Q: Do LED lights produce quality yields and flowers?

Yes, LED lights can grow large yields of dense, high quality cannabis. Many of the commercial LED grow lights out today are out performing the leading double ended 1,000 watt counterparts. They will also reduce your electrical load by 50% per light and HVAC needs by 40% as well as becoming the new normal for indoor grow lighting as new regulations and energy conservation rebates take place.

Q: Is it worth it to start a greenhouse?

Although it is cheaper in light costs to utilize the sun for your lighting as much as possible, the heating costs, greenhouse construction and other environmental controls add up fast and the end product is not as quality as fully indoor grown cannabis. You will also be more susceptible to bugs and moulds in this setting.

Q: What is “medical” growing?

The term medical grow, or (ACMPR) stands for Access to Cannabis for Medical Purposes Regulations. Allowing a “patient” to grow a set amount of cannabis plants in Canada based on the doctors daily consumption recommendation. This licensing was initially released on July 30th 2001 in Canada as (MMAR) Marihuana Medical Access Regulations (That’s how they decide to spell marijuana).

Q: Is hydroponics worth it?

Yes, growing in hydroponics offers faster growth with more control, automation and less invitation to bugs and moulds. Hydroponics is the preferred way to grow for most professional cannabis cultivators. Plants grown in hydroponics will also be richer in terpenes and cannabinoids due to the added focus on root health.

Q: Do you offer apprenticeship programs?

Yes, we offer training and apprenticeship programs to train new growers. Our monthly programs are structured and catered to your facilities growing style, strain, lighting and nutrients. Weekly programs keep you learning at the right pace and your gardens in check.

Q: How do I take advantage of wholesale equipment pricing?

All 4Trees Cannabis Building customers receiving planning or consulting services will receive access to wholesale hydroponics pricing at 20% – 40% below MSRP costs.

Q: How do I determine plant problems?

Take a picture of the plant, send it to us and give us some information on your garden. You will receive prompt notification of your problem diagnosed by a master grower. The first check-up is free.

What is rosin?


How to make rosin?


How to smoke rosin?


Can you reuse rosin bags?


How to make rosin with a press?


How to make shatter with rosin press?


How to water rockwool cubes?


How to cultivate cannabis?


How to become a micro grower?


What is hydroponics.


How to build a dwc hydroponic system?


How to build a vertical hydroponic system?


How to build an aeroponic system?


If there is anything we missed give us a shout below. We would be glad to reach out with your answer.