Mexican Blue Oak (Quercus Oblongifolia) is a perennial tree in the Fagaceae family with easy care difficulty. It requires low watering and full sun or partial shade light in USDA hardiness zones 7-10. This plant is toxic to cats and dogs — keep it out of reach of pets.

An evergreen small tree or large shrub with distinctive blue-green leaves, native to the southwestern United States and northern Mexico.

Mexican Blue Oak

Mexican Blue Oak

Quercus Oblongifolia

An evergreen small tree or large shrub with distinctive blue-green leaves, native to the southwestern United States and northern Mexico.

Quick Facts

Type
tree
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Low
Light
Full Sun, Partial Shade
Hardiness Zones
7-10

Safety

⚠️
Not Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy, rocky
Indoor:No
Outdoor:Yes
Garden Use:specimen, hedge, screen, erosion control

Care Calendar

Monthly care tasks for Mexican Blue Oak

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Mexican Blue Oak
Mexican Blue Oak detail

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Taxonomy

Family:Fagaceae
Genus:Quercus