Size:

  • Sawtooth/Sawthorn Oak (Quercus acutissima) – 16 feet (5 meters) tall and 49 feet (15 meters) wide
  • Encina or California Live Oak (Quercus agrifolia) – 49 feet (15 meters) tall and 26 feet (8 meters) wide
  • White Oak (Quercus alba) – 65 feet (20 meters) tall and 32 feet (10 meters) wide
  • Boz-Pimal Oak (Quercus aucheri) – 16 feet (5 meters) tall and 13 feet (4 meters) wide
  • Swamp White Oak (Quercus bicolor) – 82 feet (25 meters) tall
  • Turkey Oak (Quercus cerris) – 114 feet tall (35 meters) tall and 82 feet (25 meters) wide
  • Kermes Oak (Quercus coccifera) – 13 feet (4 meters) tall and wide
  • Scarlet Oak (Quercus coccinea) – 82 feet (25 meters) tall and 49 feet (15 meters) wide
  • Blue Oak (Quercus douglasii) – 39 feet (12 meters) tall
  • Black Oak (Quercus emoryi) – 39 feet (12 meters) tall
  • Hungarian Oak (Quercus frainetto) – 98 feet (30 meters) tall
  • Gambel or Shin Oak (Quercus gambelii) – 14 feet (4 meters) tall
  • Glaucous-Leaf Oak or Japanese Blue Oak Oak (Quercus glauca) – 49 feet (15meters) tall
  • Holly Oak (Quercus ilex) – 82 feet (25 meters) tall and 65 feet (20 meters) wide
  • Holm Oak (Quercus ilex ballota) – 82 feet (25 meters) tall and 65 feet (20 meters) wide
  • Valonia Oak (Quercus ithaburensis macrolepis) – 49 feet (15 meters) tall and 42 feet (13 meters) wide
  • Californian Black Oak (Quercus kelloggii) – 82 feet (25 meters) tall
  • Bull Oak (Quercus lamellose) – 115 feet (35 meters) tall
  • Overcup Oak (Quercus lyrata) – 98 feet (30 meters) tall
  • Burr Oak (Quercus macrocarpa) – 75-100 feet (22-30 meters) tall and wide
  • Chinkapin Oak (Quercus meuhlenbergii) – 35-50 feet (10-15 meters) tall and wide
  • Swamp Chestnut Oak (Quercus michauxii) – 75-100 feet (22-30 meters) tall and wide
  • Mexican Blue Oak (Quercus oblongifolia) – 26 feet (8 meters) tall
  • Pin Oak (Quercus palustris) – 82 feet (25 meters) tall
  • Dwarf Chinkapin Oak (Quercus prinoides) – 12 feet (3.5 meters) tall and 12-20 (3.5-6 meters) feet wide
  • Chestnut Oak (Quercus prinus) – 49 feet (15 meters) tall and 75-100 feet(22-30 meters) wide
  • English or Pedunculate Oak (Quercus robur) – 98 feet (30 meters) tall and wide 
  • Red Oak (Quercus rubra) – 82 feet (25 meters) tall and 59 feet (18 meters) wide
  • Post Oak (Quercus stellata) – 65 feet (20 meters) tall and wide
  • Cork Oak (Quercus suber) – 65 feet (20 meters) tall and 49 feet (15 meters) wide
  • Live Oak (Quercus virginiana) – 65 feet (20 meters) tall and wide
  • Sierra Live Oak (Quercus wislizeni) – 65 feet (20 meters) tall and 98 feet (30 meters) wide

Roots: Extremely variable based on the species. Many have taproots, some are heart-shaped root masses, and some are a diffuse, fibrous network.
Growth Rate: Most species grow at a Slow to Medium rate; however, a few species are known to grow fast. Also, many of the hybrids grow at a much faster rate.

Shiitake Mushrooms prefer Oak wood over any other wood.
http://www.tcpermaculture.blogspot.pt/2012/03/shitake-mushrooms.html

 

Oak wood has so many uses!
http://breenbushdesign.wordpress.com/2012/04/22/some-beautiful-oak/

GROWING CONDITIONS FOR THIS PLANT
Light: Prefers full sun
Shade: Some species tolerate light shade
Moisture: Medium soil moisture preferred, but the “swamp” species (Q. bicolor, Q. michauxii) can handle pretty wet soils as can Q. robur
pH: most species prefer fairly neutral soil (6.0-7.0), and some species (notably Q. macrocarpa) is tolerant of very acidic to very alkaline soils.

Special Considerations for Growing: 
It is likely that all species tolerates juglone (natural growth inhibitor produced by Black Walnut and its relatives). Consider using this tree as a buffer between your walnuts and other plantings.

Propagation: 
Easily from seed. Sow immediately in Autumn after the seeds have fallen from the tree.

Maintenance:
Not much maintenance is needed.

Concerns:
Some people can have seasonal allergies to the pollen.

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