Growing tall satvia in small greenhouse

Just wanted to know what would happen if you were to grow a tall sativa plant in a greenhouse environment if the greenhouse would only accommodate for 50-80cm height?

(it's not really a greenhouse more like a box with a slanted glass lid)

would the plant die, or just become dwarfed with no further ill effects?

would autoflowering sativa be a alternative i heard that they don't grow as long as non-auto.

ah it will grow into the ceiling and get all f'd up. top your sativas or lst (low stress training) and you should be able to grow some nice sativa smoke indoors. Also do a shorter veg time than you might for an indica. Good luck

waz666 said:

ah it will grow into the ceiling and get all f'd up. top your sativas or lst (low stress training) and you should be able to grow some nice sativa smoke indoors. Also do a shorter veg time than you might for an indica. Good luck

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how mush can you shrink a satvias height by using LST and topping, can you even do both simultaneously?

I think I'll stay with my greenhouse idea it would save a lot of money, effort and work that way since i won't need to dedicate a room with artificial lightning/ventilation e.c.t. to it.

but thanks for the LST idea, won't have come across that by myself.

I guess you could do both, topping will give you 2-4 main colas, then you could lst each, but that might end up in alot of work. Anyways good luck with the greenhouse