Plant Care Great Rhododendron

Great Rhododendron

Also known as

Great Laurel, Great Laurel, Rosebay rhododendron, Great rhododendron, American rhododendron and Big rhododendron

Taxonomy

Rhododendron maximum
Rhododendron
Ericaceae
Ericales

How to care for Great Rhododendron

Water

How often to water your Great Rhododendron

Water needs for Great Rhododendron
0.5 cups
every 9

Great Rhododendron needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Seattle, Washington.

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 Great Rhododendron

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 Great Rhododendron in Seattle, Washington

Seattle, Washington

23% Very Low

Growing Great Rhododendron in Seattle right now

Light needs for plant Great Rhododendron in Seattle, Washington

Plant growth potential is currently very low 📉

January 27th, 2023

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

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

Read more

Light needs for plant Great Rhododendron in Seattle, Washington

Sunlight will increase by 52.8% ☀️

January 28th, 2023

Seattle is trending towards greater sunlight intensity!

The amount of sunlight in Seattle is expected to increase by 52.8% over the next 2 weeks to an average of 7.7 megajoules of energy per m2 pe…

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Light needs for plant Great Rhododendron in Seattle, Washington

Daylight will increase by 1.3 hours 📈

January 28th, 2023

This month, Seattle is getting an average of 7.3 hours of clear sky sunlight per day.

Hours of daylight will increase by 15.4% over the next two weeks. Your plants will get 9.8 total hours of dayl…

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Finding light for Great Laurel in your home

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

Great Rhododendron 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 Seattle, Washington ⛅.

Great Rhododendron does not tolerate low-light 🚫.

Nutrients

How to fertilize Great Rhododendron

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

When to repot Great Rhododendron

Nutrient needs for plant Great Rhododendron in Seattle, Washington

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

January 21st, 2023

The growing potential in Seattle is very 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
Difficulty Level

Great Rhododendron is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!


Water Needs
Sunlight Needs
Toxicity
Humidity
Soil
Fertilizer
Native Region
Growth Pattern
Growing Outdoors

Care Summary for Great Rhododendron

Great Rhododendron

Great Rhododendron


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

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

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