California Buckeye

The California Buckeye is native to the coastal ranges and the Sierra foothills. It is a small tree that is noted for going dormant early (July – August) to avoid the summer dryness and heat. The Buckeye is native to California and southern Oregon at elevations below 4000’.

Life for the California Buckeye (Aesculus californica) starts as a giant seed about the size of a golf ball. It falls to the ground and gets covered with leaves in the fall.


January
With the winter rains the seed sprouts and drills a tap root into the soil.

The leaves sprout as soon as the root is in the ground and a trunk starts to develop.


One month old seedling


The tree usually brings on its leaves by March 1 each year and looses its leaves by August 1.


California Buckeye in its native habitat on February 28.


California Buckeye on February 28 in Dawn Gardens.


Same tree on March 22


Flower buds are forming on April 22.


Full bloom on May 22.


The flowers are beautiful and very fragrant. It is a good source of pollen and nectar for native bees but is toxic to foreign honey bees.

Here is an ancient Buckeye on the UC Berkeley Campus. The reason that I know that it is ancient is that it was there when I was there over 50 years ago.

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