Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
-
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Quercus phellos, Quercus nigra
Habitat
moist forests
Hot climate regions, low mountains, Tropical regions
USDA Hardiness Zone
5-8
6-9
Sunset Zone
21,22
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
Habit
Spreading
Oval or Rounded
Flower Color
Red
Red, Light Green, Chartreuse
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Tan, Chocolate
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green
Yellow, Orange, Sandy Brown
Leaf Color in Winter
Green
-
Leaf Shape
Ovate
Irregular
Plant Season
Spring, Summer, Fall, Winter
Spring, Fall
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Spring, Late Spring
Tolerances
-
Wet Site, Pollution, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
From Rhizomes, Seedlings, Stem Planting
Grafting, Seedlings
Plant Maintenance
Medium
Low
Watering Requirements
Do Not over Water, Keep ground moist
Allow to dry out slightly between watering, Does not require lot of watering
In Summer
Consistently
Lots of watering
In Spring
Moderate
Moderate
In Winter
Ample Water
Average Water
Soil pH
Acidic
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
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
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Apply 12-10-18 NPK, General garden fertilizer
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
Pests and Diseases
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Plant Tolerance
-
Heat Tolerance, Humidity, Salt and Soil Compaction
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Foliage Texture
Coarse
Fine
Foliage Sheen
Matte
Glossy
Allergy
Asthma
Eczema, Rhinitis, Runny nose
Aesthetic Uses
Showy Purposes
Landscape Designing, Showy Purposes
Beauty Benefits
Making cosmetics
Blood purifying, Reduce Bruises, Weightloss
Edible Uses
Yes
Sometimes
Environmental Uses
Air purification
Air purification
Medicinal Uses
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Gout, Obesity, Snoring
Part of Plant Used
Whole plant
Bark, Stem
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
Animal Feed, Biodiesel, Recovering internal injuries
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
Shade Trees, Street Trees
Botanical Name
RHODODENDRON
QUERCUS phellos
Common Name
Rhododendron
Willow Oak
In Hindi
rhododendron
Overcup ओक
In German
Rhododendron
Overcup Oak
In French
rhododendron
Overcup Oak
In Spanish
rododendro
Overcup Roble
In Greek
ροδοδάφνη
Overcup Oak
In Portuguese
rododendro
Overcup Oak
In Polish
rododendron
Overcup Dąb
In Latin
Rhododendron
Oryza
Class
Magnoliopsida
Magnoliopsida
Family
Ericaceae
Fagaceae
Genus
Rhododendron
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Subfamily
Ericoideae
Amaryllidoideae
Season and Care of Rhododendron and Willow Oak
Season and care of Rhododendron and Willow Oak is important to know. While considering everything about Rhododendron and Willow Oak Care, growing season is an essential factor. Rhododendron season is Spring, Summer, Fall and Winter and Willow Oak season is Spring, Summer, Fall and Winter. The type of soil for Rhododendron is Loam, Sand and for Willow Oak is Clay, Loam, Sand while the PH of soil for Rhododendron is Acidic and for Willow Oak is Acidic, Neutral, Alkaline.
Rhododendron and Willow Oak Physical Information
Rhododendron and Willow Oak physical information is very important for comparison. Rhododendron height is 150.00 cm and width 150.00 cm whereas Willow Oak height is 1,220.00 cm and width 910.00 cm. The color specification of Rhododendron and Willow Oak are as follows:
Rhododendron flower color: Red
Rhododendron leaf color: Green
Willow Oak flower color: Red, Light Green and Chartreuse
- Willow Oak leaf color: Green and Light Green
Care of Rhododendron and Willow Oak
Care of Rhododendron and Willow Oak include pruning, fertilizers, watering etc. Rhododendron pruning is done Prune after flowering, Remove dead or diseased plant parts, Remove deadheads and Remove short twigs and Willow Oak pruning is done cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Rhododendron needs Consistently and in winter, it needs Ample Water. Whereas, in summer Willow Oak needs Lots of watering and in winter, it needs Average Water.