Life Span
Perennial
  
Perennial
  
Type
Shrubs
  
Broadleaf Evergreen
  
Origin
China, Indonesia, Japan, Korea, The Hiamalayas
  
Hybrid origin
  
Types
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
  
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
  
Number of Varieties
Not Available
  
Habitat
Forest margins, Hillside, Woods
  
moist forests
  
USDA Hardiness Zone
3-9
  
5-8
  
AHS Heat Zone
9-1
  
Not Available
  
Sunset Zone
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21
  
21,22
  
Habit
Oval or Rounded
  
Spreading
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Blue, Dark Purple, Light Purple, Red, White
  
Red
  
Flower Color Modifier
Not Available
  
Bicolor
  
Fruit Color
Not Available
  
Green, Tan
  
Leaf Color in Spring
Green
  
Green
  
Leaf Color in Summer
Green, Dark Green
  
Green
  
Leaf Color in Fall
Dark Green, Yellow, Yellow green
  
Green
  
Leaf Color in Winter
Not Available
  
Green
  
Shape
  
  
Leaf Shape
Oblovate
  
Ovate
  
Thorns
No
  
No
  
Plant Season
Early Spring, Late Autumn
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun
  
Full Sun, Partial Sun
  
Growth Rate
Fast
  
Medium
  
Type of Soil
Light
  
Loam, Sand
  
The pH of Soil
Acidic
  
Acidic
  
Soil Drainage
Well drained
  
Well drained
  
Bloom Time
Spring, Summer
  
Late Spring
  
Repeat Bloomer
No
  
No
  
Tolerances
Not Available
  
Not Available
  
Where to Plant?
Ground, Pot
  
Ground
  
How to Plant?
Seedlings, Stem Planting
  
From Rhizomes, Seedlings, Stem Planting
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Keep the ground moist but not water-logged, Requires regular watering, Use and maintain water-efficient soaker hoses, Water twice a day in the initial period
  
Do Not over Water, Keep ground moist
  
In Summer
Lots of watering
  
Consistently
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Ample Water
  
Soil
  
  
Soil pH
Acidic
  
Acidic
  
Soil Type
Light
  
Loam, Sand
  
Soil Drainage Capacity
Well drained
  
Well drained
  
Sun Exposure
Full Sun
  
Full Sun, Partial Sun
  
Pruning
Cut or pinch the stems, Do not prune during shooting season, Prune lower leaves, Prune to stimulate growth, Remove dead or diseased plant parts
  
Prune after flowering, Remove dead or diseased plant parts, Remove deadheads, Remove short twigs
  
Fertilizers
All-Purpose Liquid Fertilizer
  
Apply 12-10-18 NPK, General garden fertilizer
  
Pests and Diseases
Anthracnose, Cercospora leaf spot, Mushroom root rot, Powdery mildew
  
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf
  
Plant Tolerance
Drought
  
Not Available
  
Flowers
Yes
  
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
Yes
  
No
  
Showy Bark
No
  
No
  
Foliage Texture
Coarse
  
Coarse
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
No
  
Attracts
Bees, Flies
  
Not Available
  
Allergy
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
  
Asthma
  
Uses
  
  
Aesthetic Uses
Showy Purposes
  
Showy Purposes
  
Beauty Benefits
Not Available
  
Making cosmetics
  
Edible Uses
No
  
Yes
  
Environmental Uses
Air purification
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
Fever, Kidney problems, Urinary tract problems
  
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
  
Part of Plant Used
Flowers, Root
  
Whole plant
  
Other Uses
Not Available
  
Cosmetics, Employed in herbal medicine, Oil is used for aromatherapy, Oil is used in perfume, soaps, creams, etc., Sometimes used for making wine
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Not Available
  
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
  
Botanical Name
Hydrangea
  
RHODODENDRON
  
Common Name
Hydrangea or hortensia
  
Rhododendron
  
In Hindi
Hydrangea
  
rhododendron
  
In German
Hortensie
  
Rhododendron
  
In French
Hortensia
  
rhododendron
  
In Spanish
Hortensia
  
rododendro
  
In Greek
υδραγεία
  
ροδοδάφνη
  
In Portuguese
Hortênsia
  
rododendro
  
In Polish
Hortensja
  
rododendron
  
In Latin
Hibiscus
  
Rhododendron
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Cornales
  
Ericales
  
Family
Hydrangeaceae
  
Ericaceae
  
Genus
Hydrangea
  
Rhododendron
  
Clade
Not Available
  
Angiosperms, Asterids, Eudicots
  
Tribe
Not Available
  
Rhodoreae
  
Subfamily
Not Available
  
Ericoideae
  
Importance of Hydrangea and Rhododendron
Want to have the most appropriate plant for your garden? You might want to know the importance of Hydrangea and Rhododendron. Basically, these two plants vary in many aspects. Compare Hydrangea and Rhododendron 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 Hydrangea is Fever, Kidney problems and Urinary tract problems whereas of Rhododendron is Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache and Rheumatism. Hydrangea has beauty benefits as follows: Not Available while Rhododendron has beauty benefits as follows: Not Available.
Compare Facts of Hydrangea vs Rhododendron
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 Hydrangea vs Rhododendron 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 Hydrangea are Chest tightness, Diarrhea, Dizziness, Nausea and Vomiting whereas of Rhododendron have Asthma respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Hydrangea has no showy fruits and Rhododendron has no showy fruits. Also Hydrangea is flowering and Rhododendron is not flowering . You can compare Hydrangea and Rhododendron facts and facts of other plants too.