More than 500 native plants in San Diego County are held in a Native Seed Bank at the zoo. Those seeds are dried down to a ...

The San Diego Zoo Wildlife Alliance reached a historical milestone after adding an endangered plant species to its Frozen Zoo ...

Nuttall oak (Quercus nuttallii), ... Shumard red oak, southern red oak, and swamp red oak. It is a lowland tree and grows scattered with other hardwoods on moist, ...

Pin oak grows 70-80 feet tall, 25-40 feet wide, and is hardy in Zones 3-9; nuttall oak grows 40-80 feet tall, 30-60 feet wide, and is hardy in Zones 6-9. Oaks for Dry Soil ...

The Shumard Oak and Nuttall Oak are fast growers. The Shumard Oak is the fastest of all the oaks, adding 3 to 4 feet a year to its height and breadth. The Nuttall Oak is the most colorful of our oaks.

If you lost some of your favorite trees in the winter storm ... hackberry, red maple, red mulberry, and hardwood oak species, such as cherrybark oak, laurel oak, live oak, nuttall oak, overcup ...