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About Rhododendron and Azalea


About Azalea and Rhododendron


What is

Life Span
Perennial  
Perennial  

Type
Broadleaf Evergreen  
Broadleaf Evergreen  

Origin
-  
-  

Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae  
Rhododendron, Azalea indica, Azalea japonica  

Number of Varieties
700  
17
10  

Habitat
moist forests  
Forests  

USDA Hardiness Zone
5-8  
8-11  

AHS Heat Zone
-  
-  

Sunset Zone
21,22  
21,22  

Habit
Spreading  
Oval or Rounded  

Information

Plant Size
  
  

Minimum Height
150.00 cm  
99+
60.00 cm  
99+

Minimum Width
150.00 cm  
99+
90.00 cm  
99+

Plant Color
  
  

Flower Color
Red  
Red  

Flower Color Modifier
Bicolor  
Bicolor  

Fruit Color
Green, Tan  
-  

Leaf Color in Spring
Green  
Green, Dark Green  

Leaf Color in Summer
Green  
Green, Dark Green  

Leaf Color in Fall
Green  
Green, Dark Green  

Leaf Color in Winter
Green  
Green, Dark Green  

Shape
  
  

Leaf Shape
Ovate  
Linear  

Thorns
No  
No  

Season

Plant Season
Spring, Summer, Fall, Winter  
Spring, Summer, Fall, Winter  

Growing Conditions
  
  

Sunlight
Full Sun, Partial Sun  
Full Sun, Partial Sun, Partial shade  

Growth Rate
Medium  
Medium  

Type of Soil
Loam, Sand  
Loam, Sand  

The pH of Soil
Acidic  
Acidic  

Soil Drainage
Well drained  
Well drained  

Bloom Time
Late Spring  
Early Spring, Spring, Late Fall, Winter, Late Winter  

Repeat Bloomer
No  
No  

Tolerances
-  
-  

Care

Where to Plant?
Ground  
Ground  

How to Plant?
From Rhizomes, Seedlings, Stem Planting  
Seedlings, Stem Cutting  

Plant Maintenance
Medium  
Medium  

Watering Plants
  
  

Watering Requirements
Do Not over Water, Keep ground moist  
Average Water Needs, Do not water frequently  

In Summer
Consistently  
Lots of watering  

In Spring
Moderate  
Moderate  

In Winter
Ample Water  
Average Water  

Soil
  
  

Soil pH
Acidic  
Acidic  

Soil Type
Loam, Sand  
Loam, Sand  

Soil Drainage Capacity
Well drained  
Well drained  

Sun Exposure
Full Sun, Partial Sun  
Full Sun, Partial Sun, Partial shade  

Pruning
Prune after flowering, Remove dead or diseased plant parts, Remove deadheads, Remove short twigs  
Remove damaged leaves, Remove dead branches, Remove dead leaves  

Fertilizers
Apply 12-10-18 NPK, General garden fertilizer  
All-Purpose Liquid Fertilizer, Apply N-P-K  

Pests and Diseases
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf  
Caterpillars, Citrus leaf miner, Petal blight, Red blotch, Rust, Twig blight, Whiteflies  

Plant Tolerance
-  
Drought, Shade areas  

Facts

Flowers
Showy  
Showy  

Flower Petal Number
Single  
Single  

Fruits
  
  

Showy Fruit
No  
No  

Edible Fruit
No  
No  

Fragrance
  
  

Fragrant Flower
No  
No  

Fragrant Fruit
No  
No  

Fragrant Leaf
No  
No  

Fragrant Bark/Stem
No  
No  

Showy Foliage
No  
No  

Showy Bark
No  
No  

Foliage Texture
Coarse  
Medium  

Foliage Sheen
Matte  
Matte  

Evergreen
No  
No  

Invasive
No  
No  

Self-Sowing
No  
No  

Attracts
-  
Onion thrips, White Pine Weevil  

Allergy
Asthma  
-  

Benefits

Uses
  
  

Aesthetic Uses
Showy Purposes  
Bonsai, Cottage Garden  

Beauty Benefits
Making cosmetics  
-  

Edible Uses
Yes  
Yes  

Environmental Uses
Air purification  
Air purification  

Plant Benefits
  
  

Medicinal Uses
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism  
Astringent  

Part of Plant Used
Whole plant  
Flowers, Leaves  

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  
Repellent, used for making charcoal, 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  
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier  

Scientific Name

Botanical Name
RHODODENDRON  
RHODODENDRON 'Anthopogon'  

Common Name
Rhododendron  
Evergreen Azalea  

In Hindi
rhododendron  
Azalea  

In German
Rhododendron  
Azalee  

In French
rhododendron  
azalée  

In Spanish
rododendro  
azalea  

In Greek
ροδοδάφνη  
αζάλεα  

In Portuguese
rododendro  
Azalea  

In Polish
rododendron  
azalia  

In Latin
Rhododendron  
Azalea  

Classification

Kingdom
Plantae  
Plantae  

Phylum
Magnoliophyta  
Tracheophyta  

Class
Magnoliopsida  
Magnoliopsida  

Order
Ericales  
Ericales  

Family
Ericaceae  
Ericaceae  

Genus
Rhododendron  
Rhododendron  

Clade
Angiosperms, Asterids, Eudicots  
Angiosperms, Asterids, Eudicots  

Tribe
Rhodoreae  
Rhodoreae  

Subfamily
Ericoideae  
Ericoideae  

Number of Species
1024  
24
1024  
24

Summary >>
<< Classification

Properties of Rhododendron and Azalea

Wondering what are the properties of Rhododendron and Azalea? We provide you with everything About Rhododendron and Azalea. Rhododendron doesn't have thorns and Azalea doesn't have thorns. Also Rhododendron does not have fragrant flowers. Rhododendron has allergic reactions like Asthma and Azalea has allergic reactions like Asthma. Compare all the properties and characteristics of these two plants. Find out which of these plant can be used as indoor plant. If you are interested to decorate your house and garden, find out aesthetic uses, compare them and select the plant which will beautify your surrounding. Along with beautification, try comparing medicinal and edible uses of Rhododendron and Azalea and you can choose the plant having best and most benefits.

Compare Broadleaf Evergreen

Season and Care of Rhododendron and Azalea

Season and care of Rhododendron and Azalea is important to know. While considering everything about Rhododendron and Azalea Care, growing season is an essential factor. Rhododendron season is Spring, Summer, Fall and Winter and Azalea season is Spring, Summer, Fall and Winter. The type of soil for Rhododendron is Loam, Sand and for Azalea is Loam, Sand while the PH of soil for Rhododendron is Acidic and for Azalea is Acidic.

Rhododendron and Azalea Physical Information

Rhododendron and Azalea physical information is very important for comparison. Rhododendron height is 150.00 cm and width 150.00 cm whereas Azalea height is 60.00 cm and width 90.00 cm. The color specification of Rhododendron and Azalea are as follows:

Care of Rhododendron and Azalea

Care of Rhododendron and Azalea 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 Azalea pruning is done 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 Azalea needs Lots of watering and in winter, it needs Average Water.

Broadleaf Evergreen

Broadleaf Evergreen


Compare Broadleaf Evergreen