Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Vegetable
Origin
Hybrid origin
World/Pandemic, North America, Europe, Russia/Siberia, Northern Africa, Asia, India
Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Not Available
Number of Varieties
Not Available
Habitat
moist forests
Cropland, Farms, gardens
USDA Hardiness Zone
5-8
Not Available
AHS Heat Zone
Not Available
Not Available
Sunset Zone
21,22
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Upright/Erect
Flower Color
Red
White, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Not Available
Leaf Color in Spring
Green
Not Available
Leaf Color in Summer
Green
Green, Gray Green
Leaf Color in Fall
Green
Green, Gray Green, Yellow green
Leaf Color in Winter
Green
Not Available
Plant Season
Spring, Summer, Fall, Winter
Not Available
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic
Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Late Spring, Early Summer
Tolerances
Not Available
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
From Rhizomes, Seedlings, Stem Planting
Seedlings, Sets
Plant Maintenance
Medium
Medium
Watering Requirements
Do Not over Water, Keep ground moist
Keep the ground moist but not water-logged, Requires a lot of watering, Water twice a day in the initial period
In Summer
Consistently
Lots of watering
In Spring
Moderate
Moderate
In Winter
Ample Water
Average Water
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
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
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
Not Available
Drought
Flower Petal Number
Single
Single
Fragrant Bark/Stem
No
Yes
Foliage Texture
Coarse
Medium
Foliage Sheen
Matte
Matte
Attracts
Not Available
Not Available
Allergy
Asthma
no allergic reactions
Aesthetic Uses
Showy Purposes
Not Used For Aesthetic Purpose
Beauty Benefits
Making cosmetics
Not Available
Environmental Uses
Air purification
Air purification
Medicinal Uses
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Asthma, Bronchitis, cholesterol-lowering, Cough, Diabetes, Digestion problems, Diuretic, High blood pressure
Part of Plant Used
Whole plant
Whole plant
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
Culinary use
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Edible, Herb / Vegetable
Botanical Name
RHODODENDRON
ALLIUM cepa 'Burgundy'
Common Name
Rhododendron
Garden Onion, Red Onion
In Hindi
rhododendron
लाल प्याज
In German
Rhododendron
Rote Zwiebel
In French
rhododendron
Oignon rouge
In Spanish
rododendro
Cebolla roja
In Greek
ροδοδάφνη
Κόκκινο κρεμμύδι
In Portuguese
rododendro
Cebola vermelha
In Polish
rododendron
Czerwona cebula
In Latin
Rhododendron
Red Cepa
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Family
Ericaceae
Liliaceae
Genus
Rhododendron
Allium
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
Rhodoreae
Not Available
Subfamily
Ericoideae
Allioideae
Number of Species
Not Available
Importance of Rhododendron and Red Onion
Want to have the most appropriate plant for your garden? You might want to know the importance of Rhododendron and Red Onion. Basically, these two plants vary in many aspects. Compare Rhododendron and Red Onion 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 Red Onion is Asthma, Bronchitis, cholesterol-lowering, Cough, Diabetes, Digestion problems, Diuretic and High blood pressure. Rhododendron has beauty benefits as follows: Making cosmetics while Red Onion has beauty benefits as follows: Making cosmetics.
Compare Facts of Rhododendron vs Red Onion
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 Red Onion 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 Red Onion have no allergic reactions respectively. Having a fruit bearing plant in your garden can be a plus point of your garden. Rhododendron has no showy fruits and Red Onion has no showy fruits. Also Rhododendron is not flowering and Red Onion is not flowering . You can compare Rhododendron and Red Onion facts and facts of other plants too.
