With your lights go 2 plants , What you can yield off 2 plants could be the same as 4 plants , with 2 you will have a way better light penetration and being your first time --- A lot less stress --- with 1m x 1m it would be great with 2 they would grow to there full potential , the photo is of 3 in 1.2m x1.2m
View attachment 906643