Sierra Juniper (Juniperus Grandis) is a perennial tree in the Cupressaceae family with moderate care difficulty. It requires low watering and full sun light in USDA hardiness zones 5-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Juniperus grandis is a dioecious (occasionally monoecious) evergreen conifer tree native to the mountains of the western United States, primarily the Sierra Nevada of California.

Sierra Juniper

Sierra Juniper

Juniperus Grandis

Juniperus grandis is a dioecious (occasionally monoecious) evergreen conifer tree native to the mountains of the western United States, primarily the Sierra Nevada of California.

Quick Facts

Type
tree
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Low
Light
Full Sun
Hardiness Zones
5-9

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

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

Care Calendar

Monthly care tasks for Sierra Juniper

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

Sierra Juniper
Sierra Juniper detail

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Taxonomy

Family:Cupressaceae
Genus:Juniperus