Plant Care California Alder

California Alder

Also known as

Rhombie leaf alder, California alder and White alder


Alnus rhombifolia

How to care for California Alder


How often to water your California Alder

Water needs for California Alder
0.5 cups
every 9

California Alder needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


Check the growing potential in your area

A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for California Alder in your home

Light needs and placement for plant California Alder: 1ft from a window
1ft or less from
a window

California Alder love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

California Alder does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of California Alder in your home 🏡.


How to fertilize California Alder

Nutrient, fertilizer, and repotting needs for California Alder: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your California Alder after it doubles in size or once a year—whichever comes first.

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for California Alder

California Alder

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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