Cannabis veg room

High-pressure fogging system for cannabis cultivation

What is a Veg Room?

The vegetative room or "Veg room" is the next phase in the lives of the young plants. The plants have come out of the clone room, fully rooted, ready to be placed in large pots. Pots can either be normal pots or large mineral wool blocks.

During transplanting, the grower will assess the health of the plant and “weed” out the ones that do not meet the high standards of commercial cannabis cultivation. In the last few days of being in the clone room, the plants already start to evaporate more as the light levels increase. Now that they are transplanted into the larger pots, the plants will start to grow.

Depending on the strategy, the grower might want to keep the plants in for 10 to 21 days. It is all about efficient growing space. Placing the plants apart so they have time to grow, may result in a larger vegetation room. When considering another activity, transplanting or placing them wider and maybe add some registration tags on the plants, could help eradicate some of the plants that do not flower so well.

This might seem to be additional work, however, labor intensity now, or later, is a choice. Cutting of some of the sugar leaves and moving them for a few more days to a second vegetative room is considered labour intense. However, it increases production and maximizes the return once the plants go to the flower rooms.

The plants in vegetative rooms 1 and 2 are on a long day cycle. The transpiration is a bit tempered by letting humidity rise a little and high amounts of carbon dioxide and the proper light spectrum ensures that both plant and roots are ready to maximize on flower production.

For more information on optimizing your cannabis facilities, visit our page on efficient cannabis facilities.

Cannabis grow room with controlled environment in greenhouse facility

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Cannabis Vegetation Rooms

Room Function

After the cannabis cuttings or clones have developed a substantial root base, the plants need to grow: the vegetative phase. The “Veg” rooms are conditioned to ensure the plants grow to their optimum size without flowering.

Light Schedule & Intensity

Light intensity in these rooms is low to moderate. The light schedule in this room begins with lights on for eighteen hours, and off for the remaining six. This simulates spring and early summer and inhibits flowering. But generally, these are larger rooms and so there is often more total heat and humidity in the veg room compared to the previous two stages.