Valley Oak (Quercus Lobata) is a perennial tree in the Fagaceae family with easy care difficulty. It requires moderate watering and full sun light in USDA hardiness zones 7-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Quercus lobata, commonly known as Valley Oak, is the largest oak species in California, known for its massive size, deeply lobed leaves, and longevity.

Valley Oak

Valley Oak

Quercus Lobata

Quercus lobata, commonly known as Valley Oak, is the largest oak species in California, known for its massive size, deeply lobed leaves, and longevity.

Quick Facts

Type
tree
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun
Hardiness Zones
7-9

Safety

⚠️
Not Pet Safe
👶
Child Safe
☠️
Toxic

Growing Conditions

Soil Types:clay, loamy, sandy
Indoor:No
Outdoor:Yes
Garden Use:specimen, shade, habitat

Care Calendar

Monthly care tasks for Valley 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

Valley Oak
Valley Oak detail

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Taxonomy

Family:Fagaceae
Genus:Quercus