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Plant Database
Island Oak

Island Oak

Quercus tomentella

tree☀️ full sun💧 low water Hardy: Zone 9aZone 10b

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Island Oak is a drought-tolerant evergreen oak native to the Channel Islands of California, valued for its dense, rounded canopy and ability to thrive in dry, exposed conditions. It produces acorns and provides excellent wildlife habitat while requiring minimal water once established.

Overview

Form
Rounded
Growth Rate
slow
Size
15–30′ tall × 15–30′ wide
Dormancy
evergreen
Family
Fagaceae

Native to the United States

Native Range

Channel Islands, California

Native to: California

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

SpringSummerFallWinter

Companion Planting

Plants well with