White Alder (Alnus Rhombifolia) is a perennial tree in the Betulaceae family with easy care difficulty. It requires medium to high watering and full sun or partial shade light in USDA hardiness zones 7-9. This plant is safe for cats and dogs.

Alnus rhombifolia, commonly known as white alder, is a deciduous tree native to western North America, typically found along streams and moist areas.

White Alder

White Alder

Alnus Rhombifolia

Alnus rhombifolia, commonly known as white alder, is a deciduous tree native to western North America, typically found along streams and moist areas.

Quick Facts

Type
tree
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
medium to high
Light
Full Sun, Partial Shade
Hardiness Zones
7-9

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, sandy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:nitrogen fixer, erosion control, wildlife habitat

Care Calendar

Monthly care tasks for White Alder

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

White Alder
White Alder detail

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Taxonomy

Family:Betulaceae
Genus:Alnus