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

How often to water your Rhododendron Arboreum

every 9
Rhododendron Arboreum needs 0.5 cups of water every 9 when it doesnāt get direct sunlight and is potted in a 5" pot located in Pittsburgh, Pennsylvania.
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
9

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.
Pittsburgh, Pennsylvania
27% Very Low

Growing Rhododendron Arboreum in Pittsburgh right now
Plant growth potential is currently low š
February 5th, 2023
Sunlight intensity as measured by ānet radiationā in Pittsburgh is currently low š.
The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in determā¦
Sunlight will increase by 45.2% āļø
February 6th, 2023
Pittsburgh is trending towards greater sunlight intensity!
The amount of sunlight in Pittsburgh is expected to increase by 45.2% over the next 2 weeks to an average of 8.6 megajoules of energy perā¦
Daylight will increase by 1.3 hours š
February 7th, 2023
This month, Pittsburgh is getting an average of 5.2 hours of clear sky sunlight per day.
Hours of daylight will increase by 13.5% over the next two weeks. Your plants will get 10.7 total hours of ā¦
Finding light for Tree Rhododendron in your home

a window
Rhododendron Arboreum love being close to bright, sunny windows š.
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 Pittsburgh, Pennsylvania ā .
Rhododendron Arboreum does not tolerate low-light š«.

How to fertilize Rhododendron Arboreum

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 itās 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 yearāwhichever comes first.

Rhododendron Arboreum prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.
Sunlight Needs
Rhododendron Arboreum requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive šŖ. Select your region to see how the current weather in your area affects the placement in your home š”.
Toxicity
Greg does not have confirmed data on this plantās toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, itās always best to consult a medical professional.
If you or someone else ingested this plant, call Poison Control atĀ US (800) 222-1222.Ā If a pet consumed this plant, contact your veterinarian or the ASPCA atĀ US (888) 426-4435.
Humidity
Rhododendron Arboreum doesnāt require additional humidity. Plants absorb most water through their root system rather than their leaves, so the best way to provide humidity for your plants is through watering the soil.
Soil
Rhododendron Arboreum does best in well-draining soil. A good soil will contain lots of organic matter such as coco coir as well as perlite or vermiculite to help with drainage. Adding a handful of perlite to regular store-bought potting soil should do the trick!
Fertilizer
Rhododendron Arboreum grows very slowly and doesnāt require added fertilizer. Replacing your plantās potting soil once a year should provide them with more than enough nutrition. Remember, plants get their energy from sunlight, not fertilizer!
Native Region
Rhododendron Arboreum is native to Asia and North America.
Growing Outdoors
USDA Hardiness Zone
Rhododendron Arboreum can be grown outdoors in USDA Hardiness Zones 6a-9b. Find your local hardiness zone here.
Care Summary for 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 Pittsburgh, Pennsylvania, the 4ā pot your plant is in, and that it doesnāt get direct sunlight.
