Grow Your Garden


Valley Oak (Quercus lobata)

  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Geogre | Own work | License: PD-user
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Fell Wraith | Own work | License: PD
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Author Missing | eBay auction #230138629397, seller: SCVIEWPostcard published circa 1910 | License: PD US
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: PD
  • Valley Oak (Quercus Lobata) http://www.sagebud.com/valley-oak-quercus-lobata
    Credit: Eugene Zelenko | Own work | License: PD
QULO.jpg

Quercus Lobata, or more commonly know as Valley Oak, is a tree with green foliage and yellow flowers of the genus Quercus. It has a rapid growth rate and a height of 100 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during early spring, is intolerant of shade and is routinely available commercially. Quercus Lobata or Valley Oak's floral region is North America US Lower 48, specifically in the state of California.

  • Category: Dicot
  • Genus: Quercus
  • Family: Fagaceae
  • Order: Fagales
  • Class: Magnoliopsida
  • Division: Magnoliophyta
  • Duration: Perennial
  • Growth Habit: Tree
  • Native Status: L48 (N)
  • National Wetland Indicator Status: FAC
  • Regional Wetland Indicator Status: 0(FAC*)
  • Active Growth Period: Spring and Summer
  • Allelopath: No
  • Bloat: None
  • C:N Ratio: High
  • Coppice Potential: No
  • Fall Conspicuous: Yes
  • Fire Resistance: No
  • Flower Color: Yellow
  • Flower Conspicuous: No
  • Foliage Color: Green
  • Foliage Porosity Summer: Dense
  • Foliage Porosity Winter: Porous
  • Foliage Texture: Medium
  • Fruit/Seed Color: Brown
  • Fruit/Seed Conspicuous: Yes
  • Growth Form: Single Crown
  • Growth Rate: Rapid
  • Height at 20 Years Maximum (feet): 35
  • Height Mature (feet): 100
  • Leaf Retention: No
  • Lifespan: Moderate
  • Low Growing Grass: No
  • Resprout Ability: Yes
  • Shape and Orientation: Rounded
  • Toxicity: None
  • Adapted to Coarse Textured Soils: Yes
  • Adapted to Fine Textured Soils: No
  • Adapted to Medium Textured Soils: Yes
  • Anaerobic Tolerance: None
  • CaCO3 Tolerance: None
  • Cold Stratification Required: No
  • Drought Tolerance: Medium
  • Fertility Requirement: Medium
  • Fire Tolerance: Low
  • Frost Free Days Minimum: 200
  • Hedge Tolerance: None
  • Moisture Use: Medium
  • pH (Minimum): 4.5
  • pH (Maximum): 7.5
  • Planting Density per Acre Minimum: 300
  • Planting Density per Acre Maximum: 800
  • Precipitation (Minimum): 16
  • Precipitation (Maximum): 40
  • Root Depth Minimum (inches): 42
  • Salinity Tolerance: None
  • Shade Tolerance: Intolerant
  • Temperature Minimum (°F): 7
  • Bloom Period: Early Spring
  • Commercial Availability: Contracting Only
  • Fruit/Seed Abundance: Medium
  • Fruit/Seed Period Begin: Summer
  • Fruit/Seed Period End: Fall
  • Fruit/Seed Persistence: No
  • Propagated by Bare Root: Yes
  • Propagated by Bulbs: No
  • Propagated by Container: Yes
  • Propagated by Corms: No
  • Propagated by Cuttings: No
  • Propagated by Seed: Yes
  • Propagated by Sod: No
  • Propagated by Sprigs: No
  • Propagated by Tubers: No
  • Seed per Pound: 69
  • Seed Spread Rate: Slow
  • Seedling Vigor: Medium
  • Small Grain: No
  • Vegetative Spread Rate: None




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