Appearance and hardiness of Oaks vary widely, but all produce acorns preceded by inconspicuous flowers. Single nuts are more or less enclosed in a cuplike cap covered with many closely set scales. In some species, the acorns are edible,with a sweet flavor. Some oaks are widely planted over large areas, while others have a limited rangeQuercus suber
To 30–60 ft. high and wide. Trunk and main limbs covered with handsome, thick, corky bark (the cork of commerce). Toothed, 3-in., oval leaves are shiny dark green above, gray beneath. Egg-shaped acorns with a short point are 3/4– 1/2 in. long, covered by one-third to one-half in bowl-shaped cap. Good garden shade tree; lighttextured foliage contrasts interestingly with massive, fissured trunk. Needs good drainage. Fairly tolerant of various soils, but foliage may turn yellow in highly alkaline conditions. One of best oaks for desert.Value as street or park tree diminishes when children find out how easy it is to carve its bark.
Zebra rush forms an upright,grassy clump to 2–4 ft. tall andwide. Hollow, leafless, darkgreen stems ar...
To 30–60 ft. high and wide. Trunk and main limbs covered with handsome, thick, corky bark (the c...
Grows 18 to 30 ft. tall and wide. Can handle temperatures in the 0° to 10°F/-18° to -12°