I agree simply on the basis that with the current set up, having both would be quite the advantage :)
Allowing for a slightly more diverse game-play experience without needing to find a friend to share house privileges, or other such means of acquiring use of the other kind of garden in large quantity....
Sounds like something that ought to cost some currants, or some of your time in learning a skill, or your effort to attain a higher level :)
I'm taking the example that's provided by the art in the Lost Floor (the one with the herbs and bog plants in planters along the walls) - I think that we might have an option for such an herb garden in our homes. If you choose to build with bog materials*, maybe you will get the option for a room with gro-lights for crops. Fingers crossed, anyway.
*materials, not location, because I don't believe our residences will be tied to real estate in the same way they are now, but I do hope we can still construct with bottle-trees and have a marshy backyard if we choose to.