Quercus engelmannii (Engelmann Oak) Loam - Extreme heat tolerance

- Extreme heat tolerance

Prune in the summer after it has flowered

These plants are usually pest free but sometimes they are susceptible to crown rot or branch dieback disease

Red-breasted Sapsucker drills for sap

Quercus engelmannii (Engelmann Oak) Loam - Extreme heat toleranceEngelmann Oak A semi green tree that reaches a height of 65 feet tall and 90 feet wide. Cream flowers bloom winter through spring. This is a rare oak native to Pasadena. This plant produces a pollen that can produce an allergic reaction. Prune in the late summer August to September after all active growth has stopped and hardened off. Mature trees do not need to be pruned. Young trees should be pruned to train it. New foliage should sprout right after