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.

The Valley Oak (Quercus lobata) grows into the largest of North American oaks. It ranges over the hot interior valleys of California where there is a water table within reach of the roots. Valley Oaks grow quickly, reaching 20 feet in 5 years, and 40 feet in 10 years, and up to 60 feet in 20 years.

Apr 27, 2023 · The three most common varieties of oak trees in California are the valley oak (Quercus lobata), blue oak (Quercus douglasii), and interior oak (Quercus wislizenii). From these native oaks, the valley oak is the tallest variety and grows over 100 ft. (30 m) tall.

[wikipedia] Range, Age, Water Requirements, Bark Description: Quercus lobata, commonly called the valley oak or roble, grows into the largest of California oaks. It is endemic to California, growing in interior valleys and foothills from Siskiyou County to San Diego County.[4]

Jan 20, 2025 · 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. Deciduous, it requires year-round …

The valley oak is among the world's largest oak species. It grows only in California's Central Valley, Coast Ranges, and Sierra Nevada foothills. Its massive trunk, covered by deeply checkered bark, supports a rounded canopy of lobed, deciduous leaves.

The valley oak has it all: beauty, drought tolerance, fast growth, and adaptability to a variety of soils. This tree is the largest oak in North America and is loved for its majestic, arching canopy and picturesquely twisted branching patterns.

Valley oaks are large, long-lived deciduous trees that can grow 30 to 75 feet tall. Their roots can grow as deep as 80 feet underground. They are typically found in riparian forests (e.g. on stream levees or high floodplains) or in valley oak woodlands, a mix of scattered oaks and grassland.

The valley oak woodland of the Bobelaine Audubon Sanctuary near the Feather River has a mean density of 16 birds per acre (40 birds/ha), with 35 species present. The area is preferred wintering grounds for various sparrows and the dark-eyed junco . Valley oak is used by various cavity-nesting and cavity-storing birds and mammals . It supplies ...

The Valley Oak is native to the hot valleys of California. The deciduous tree can be over 600 years old. The oak can withstand high heat on one side, but on the other side it needs always contact with groundwater.