There are a number of native Hill Country plants that may be either declining in numbers or are seen only occasionally or rarely. The reasons for declining or low numbers of these plants can be either the high deer density in our area or any of several other factors. If enough people grow these plants, we can help to maintain the genetic diversity of the species in the Hill Country. Here is a partial list of these plants. Both Spanish oaks and blackjack oaks are declining in the Hill Coun ...