Most grasses will not be suitable for this task. Creating an understory bed of perennials or small shrubs is your best bet. Avoid planting too close to your oak tree's trunk unless you are using very small or shallow rooted plants.

In central and southern California, canyon live oak is found on or near the summits of mountains. Scattered populations appear in the mountains of southern Nevada, Arizona, and northwestern Chihuahua, Mexico (17). -The native range of canyon live oak.

Brown Oak is technically not a distinct species of oak, but rather refers to oak (almost always English Oak or another European species) that has been infected with a fungus. This fungus (Fistulina hepatica) has the effect of turning the wood a deep brown color.

Oak Trees Help Improve Soil Health and Water Conservation This process not only improves soil fertility by adding essential nutrients but also enhances soil structure, which aids in water retention and aeration. The decomposition of oak leaves also supports a myriad of microorganisms vital for a healthy soil ecosystem.