Knowledge Base

Vegetative Growth

What is vegetative growth?


Vegetative growth is the growth of leaves, stems and roots. The plant divides its energy between vegetative and generative growth. During the vegetative phase, plants are busy carrying out photosynthesis and accumulating resources that will be needed for flowering and reproduction. Different types of plants show different growth habits. The type of growing style determines the shape of a plant: whether it grows tall or short, bushy or spindly and whether it has long branches or short ones.

Vegetative growth needs specific conditions to stimulate vigorous leaf growth like:

  • lower electrical conductivity (EC)
  • higher water content (WC)
  • lower vapor pressure deficit (VPD)
  • lower light intensity
  • overall stress-free environment 


What is vegetative growth, and what are the key challenges with it? Well, vegetative growth has a couple key elements, high water content, low EC, small dry backs, frequent irrigation, high temperature, high RH, low VPD. These are some of the tools that we can utilize to promote vegetative growth. Vegetative growth could be used in both your veg room and your flower room to stimulate a plant. Now, what I mean by that is if you have a really small, compact, slow-growing plant, and you want to promote it to grow vegetatively, you're going to want to shrink your dry backs, pump more frequent irrigations, and manipulate the climate. Same thing within flower. If you come in flower with too small of a plant, you're going to want to promote it in a vegetative fashion. We can also use this to promote bud growth.

Now, how do we know when to use this, and what's actually going on? With the TEROS 12 we've incorporated into our system and our ATMOS 14, we get a graphical representation at any given time of what's going on in your climate and your root zone to help dictate to you as a user on what to do. Now through a timeline and historical data, we could look back at each genetic and know what we want to do, and to promote that growth in the right way. Because every genetic demands different cues of growth. So with AROYA, we can actually promote and show how to make these decisions and make it easier for you to dictate.

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