Plant Care Rhododendron Arboreum

Rhododendron Arboreum

Also known as

Tree Rhododendron, Tree Rhododendron, tree rhododendron, burans and Laligurans


Rhododendron arboreum

How to care for Rhododendron Arboreum


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 Washington, District of Columbia.

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

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.

Plant care guide for Rhododendron Arboreum in Washington, District of Columbia

Washington, District of Columbia

32% Very Low

Growing Rhododendron Arboreum in Washington right now

Light needs for plant Rhododendron Arboreum in Washington, District of Columbia

Plant growth potential is currently low 📉

January 29th, 2023

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

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

Read more

Light needs for plant Rhododendron Arboreum in Washington, District of Columbia

Sunlight will increase by 33.9% ☀️

January 28th, 2023

Washington is trending towards greater sunlight intensity!

The amount of sunlight in Washington is expected to increase by 33.9% over the next 2 weeks to an average of 9.3 megajoules of energy per…

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Light needs for plant Rhododendron Arboreum in Washington, District of Columbia

Daylight will increase by 1.0 hours 📈

January 29th, 2023

This month, Washington is getting an average of 6.7 hours of clear sky sunlight per day.

Hours of daylight will increase by 10.4% over the next two weeks. Your plants will get 10.4 total hours of …

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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 Washington, District of Columbia ⛅.

Rhododendron Arboreum does not tolerate low-light 🚫.


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.

Water Needs
Sunlight Needs
Native Region
Growing Outdoors

Care Summary for Rhododendron Arboreum

Rhododendron Arboreum

Rhododendron Arboreum

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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