New Plants Growing As Bush's

[MJTECH]

I have a couple of plants that are growing very well but are only growing as a large bush, unlike the others that are growing up and out these are just only growing outward. and barely upward.

Any ideas why this is happening.

 

[Rwise]

More info needed, and pics would help.

 

[vostok]

I have a couple of plants that are growing very well but are only growing as a large bush, unlike the others that are growing up and out these are just only growing outward. and barely upward.

Any ideas why this is happening.

Not without pix