Let me convert that to feet for anyone who doesn't know. 1 x 1.5 x 2m = 3.3 x 4.9 x 6.5 ftYou have plenty of space for several smaller plants. Or you could just grow two plants and veg them a bit longer to fill up the space.
just as an example. If you buy from a seedbank they generally have a category for stouter plants. Even if you click the Indoor section you should be pretty solid.
Training is generally the best way to keep them shorter.
Let me convert that to feet for anyone who doesn't know. 1 x 1.5 x 2m = 3.3 x 4.9 x 6.5 ft You have plenty of space for several smaller plants. Or you could just grow two plants and veg them a bit longer to fill up the space.