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California Black Oak, Kellogg oak
Quercus kelloggii

Family: Fagaceae


What it is like

A large tree. It can grow 18-27 m high and spread 12 m wide. It loses its leaves during the year. It has a large, open, round crown. The bark is thick and cracked into wide ridges. The leaves have deep lobes. There are teeth with bristles along the edge. The leaves are shiny yellow-green above and paler underneath. They can also be hairy underneath. The fruit are acorns on short stalks.

There are about 600 Quercus species.


Where it is found

It is a temperate plant. It suits hardiness zones 7-10.

Countries/locations it is found in

Australia, North America, USA


How it is used for food

The acorns are ground into a fine meal and used to make bread. The acorns are cooked and used to make porridge. The dried acorns can be stored.

Edible parts

Seeds, nut


How it is grown


Its other names

Local names

Synonyms