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Find out what types of oak trees are best for your growing conditions, from dry to wet, and sandy to clay soil. ... I planted a columnar English oak (Quercus robur ‘Fastigiata’), which would ...
The Engelmann oak has a smaller range than most California oaks, and suburban sprawl in the San Gabriel Valley has eliminated the oaks from most of the northern part of the range. The largest remaining stands of Engelmann oaks are on the Santa Rosa Plateau , near Murrieta in Riverside County, and on Black Mountain near Ramona in San Diego County.
Quercus agrifolia, the California live oak, [3] or coast live oak, is an evergreen [4] live oak native to the California Floristic Province.Live oaks are so-called because they keep living leaves on the tree all year, adding young leaves and shedding dead leaves simultaneously rather than dropping dead leaves en masse in the autumn like a true deciduous tree. [5]
Quercus palmeri is a species of oak known by the common name Palmer oak, or Palmer's oak.It is native to California (as far north as populations just south and east of the San Francisco Bay), Baja California, Southern Nevada, and in Arizona through the transition zone to the eastern Mogollon Rim, where it grows in canyons, mountain slopes, washes, and other dry habitats.
Quercus lobata, commonly called the valley oak or roble, is the largest of the California oaks. It is endemic to the state, growing in interior valleys and foothills from Siskiyou to San Diego counties. [4] Deciduous, it requires year-round groundwater, [5] [6] and may live up to 600 years.
In cooler, more exposed areas, scrub oak is usually a small, compact shrub, but in warm or sheltered areas the plant can spread out and grow several metres high. [ 4 ] It has oval to egg-shaped, sharply toothed, dull green leaves which are 1.4–3 centimetres ( 1 ⁄ 2 – 1 + 1 ⁄ 8 inches) long [ 3 ] and 1–2 cm ( 1 ⁄ 2 –1 in) broad ...