[ adj ] of or relating to or resembling a shrub <adj.pert>
Shrubby \Shrub"by\, a. [Compar. {Shrubbier}; superl. {Shrubbiest}.] 1. Full of shrubs.
2. Of the nature of a shrub; resembling a shrub. ``Shrubby browse.'' --J. Philips.
It is a feature which I would prefer towards a green boundary, but it is an extremely good one. In a smaller space, the best bet is the shrubby Elaeagnus commutata which turns up as a centrepiece in artistic exhibits at Chelsea flower show.