If you have height restrictions indica would be the way to go. Indicas grow shorter and bushiere than sativas. A strain like lowryder was genetically engineered to stay small. Northern lights are real good for indoors. Silver pearl is a good indica strain. It's a mix of three strains early girl, skunk #1, and northern lights. There are so many types. If you look up cannabis indica strain or something like that you should be able to find just what you are looking for.