Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
-
United States, California
Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
-
Habitat
moist forests
Woodland Garden Canopy
USDA Hardiness Zone
5-8
6-9
Sunset Zone
21,22
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Spreading
Flower Color
Red
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Green
Green, Blue Green
Leaf Color in Summer
Green
Green, Blue Green
Leaf Color in Fall
Green
Yellow, Orange, Pink
Leaf Color in Winter
Green
-
Leaf Shape
Ovate
Irregular
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Loam, Sand
-
Soil Drainage
Well drained
-
Bloom Time
Late Spring
Spring
Where to Plant?
Ground
Ground
How to Plant?
From Rhizomes, Seedlings, Stem Planting
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Do Not over Water, Keep ground moist
Average Water Needs
In Summer
Consistently
Lots of watering
In Spring
Moderate
Moderate
In Winter
Ample Water
Average Water
Soil Drainage Capacity
Well drained
-
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune after flowering, Remove dead or diseased plant parts, Remove deadheads, Remove short twigs
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
Apply 12-10-18 NPK, General garden fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf
Red blotch
Plant Tolerance
-
Drought
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Coarse
Medium
Aesthetic Uses
Showy Purposes
Borders
Beauty Benefits
Making cosmetics
-
Environmental Uses
Air purification
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Medicinal Uses
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Whole plant
Leaves, Seeds, Wood
Other Uses
Cosmetics, Employed in herbal medicine, Oil is used for aromatherapy, Oil is used in perfume, soaps, creams, etc., Sometimes used for making wine
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Feature Plant, Shade Trees, Street Trees
Botanical Name
RHODODENDRON
QUERCUS douglasii
Common Name
Rhododendron
Blue Oak
In Hindi
rhododendron
Blue Oak Tree
In German
Rhododendron
Blaue Eiche
In French
rhododendron
Bleu Oak Tree
In Spanish
rododendro
Azul del árbol de roble
In Greek
ροδοδάφνη
Μπλε Oak Tree
In Portuguese
rododendro
Carvalho azul
In Polish
rododendron
Niebieski Oak Tree
In Latin
Rhododendron
Blue quercum ligno
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Ericaceae
Fagaceae
Genus
Rhododendron
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Importance of Rhododendron and Blue Oak
Want to have the most appropriate plant for your garden? You might want to know the importance of Rhododendron and Blue Oak. Basically, these two plants vary in many aspects. Compare Rhododendron and Blue Oak as they differ in many characteristics such as their life, care, benefits, facts, etc. Every gardener must at least have the slightest clue about the plants he wants to plant in his garden. Compare their benefits, which differ in many ways like facts and uses. The medicinal use of Rhododendron is Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache and Rheumatism whereas of Blue Oak is Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes and Sore throat. Rhododendron has beauty benefits as follows: Making cosmetics while Blue Oak has beauty benefits as follows: Making cosmetics.
Compare Facts of Rhododendron vs Blue Oak
How to choose the best garden plant for your garden depending upon its facts? Here garden plant comparison will help you to solve this query. Compare the facts of Rhododendron vs Blue Oak and know which one to choose. As garden plants have benefits and other uses, allergy is also a major drawback of plants for some people. Allergic reactions of Rhododendron are Asthma whereas of Blue Oak have Pollen respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Rhododendron has no showy fruits and Blue Oak has showy fruits. Also Rhododendron is not flowering and Blue Oak is not flowering . You can compare Rhododendron and Blue Oak facts and facts of other plants too.