Plant Care Rhododendron Arboreum

Rhododendron Arboreum

Also known as

tree rhododendron, tree rhododendron, tree rhododendron, burans and Laligurans

Taxonomy

Rhododendron arboreum
Rhododendron
Ericaceae
Ericales

How to care for Rhododendron Arboreum

Water

How often to water your Rhododendron Arboreum

Water needs for Rhododendron Arboreum
0.5 cups
every 9

Rhododendron Arboreum needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in San Francisco, California.

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

Calculate water needs of Rhododendron Arboreum

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
Light

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.

Plant care guide for Rhododendron Arboreum in San Francisco, California

San Francisco, California

53% Low

Growing Rhododendron Arboreum in San Francisco right now

Light needs for plant Rhododendron Arboreum in San Francisco, California

Plant growth potential is currently low 📉

November 27th, 2021

Sunlight intensity as measured by “net radiation” in San Francisco is currently low 📉.

The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in det…

Read more

Light needs for plant Rhododendron Arboreum in San Francisco, California

Sunlight intensity will decrease by 28% ☀️

November 27th, 2021

San Francisco is trending towards lower sunlight intensity!

The amount of sunlight in San Francisco is expected to decrease by 28% over the next 2 weeks to an average of 8.4 megajoules of energy p…

Read more

Light needs for plant Rhododendron Arboreum in San Francisco, California

Daylight will decrease by 1.1 hours 📉

November 27th, 2021

This month, San Francisco is getting an average of 10.0 hours of clear sky sunlight per day.

Hours of daylight will decrease by 10.5% over the next two weeks. Your plants will get 9.4 total hours …

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Finding light for tree rhododendron in your home

Light needs and placement for plant Rhododendron Arboreum: 1ft from a window
1ft or less from
a window

Rhododendron Arboreum love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to ensure it receives enough light to survive during this time of reduced sunlight intensity in San Francisco, California ⛅.

Rhododendron Arboreum does not tolerate low-light 🚫.

Nutrients

How to fertilize Rhododendron Arboreum

Nutrient, fertilizer, and repotting needs for Rhododendron Arboreum: 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 Rhododendron Arboreum after it doubles in size or once a year—whichever comes first.

When to repot Rhododendron Arboreum

Nutrient needs for plant Rhododendron Arboreum in San Francisco, California

Is this a good time of year to repot? No ⏳

November 27th, 2021

The growing potential in San Francisco is low 📉.

Repotting in late fall or winter when the day lengths are shorter can be very stressful for a plant and cause it to go into shock.

It's best to…

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FAQs
Water Needs
Sunlight Needs
Toxicity
Soil
Fertilizer
Growing Outdoors

Care Summary for Rhododendron Arboreum

Rhododendron Arboreum

Rhododendron Arboreum


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

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

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