×

Rhododendron
Rhododendron

Red Alder
Red Alder



ADD
Compare
X
Rhododendron
X
Red Alder

About Rhododendron and Red Alder

1 What is
1.1 Life Span
Perennial
Perennial
1.2 Type
Broadleaf Evergreen
Tree
1.3 Origin
Hybrid origin
North America, United States, Northwestern United States, Alaska, California, Canada
1.4 Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Not available
1.4.1 Number of Varieties
NANA
0 40000
1.5 Habitat
moist forests
Lowland evergreen rainforest
1.6 USDA Hardiness Zone
5-84-7
0 99
1.7 AHS Heat Zone
Not Available
7-1
1.8 Sunset Zone
21,22
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
1.9 Habit
Spreading
Pyramidal
2 Information
2.1 Plant Size
2.1.1 Minimum Height
150.00 cm1,370.00 cm
0.54 3900
2.1.2 Minimum Width
150.00 cm610.00 cm
0.1 6350
2.2 Plant Color
2.2.1 Flower Color
Red
Yellow, Red, Coral
2.2.2 Flower Color Modifier
Bicolor
Bicolor
2.2.3 Fruit Color
Green, Tan
Brown
2.2.4 Leaf Color in Spring
Green
Green, Dark Green
2.2.5 Leaf Color in Summer
Green
Dark Green
2.2.6 Leaf Color in Fall
Green
Dark Green
2.2.7 Leaf Color in Winter
Green
Not Available
2.3 Shape
2.3.1 Leaf Shape
Ovate
Ovate
2.4 Thorns
3 Season
3.1 Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
3.2 Growing Conditions
3.2.1 Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
3.2.2 Growth Rate
Medium
Fast
3.2.3 Type of Soil
Loam, Sand
Loam, Sand
3.2.4 The pH of Soil
Acidic
Acidic, Neutral, Alkaline
3.2.5 Soil Drainage
Well drained
Average
3.2.6 Bloom Time
Late Spring
Early Spring
3.2.7 Repeat Bloomer
3.3 Tolerances
Not Available
Maritime exposure, Salt water
4 Care
4.1 Where to Plant?
Ground
Ground
4.2 How to Plant?
From Rhizomes, Seedlings, Stem Planting
Layering, Seedlings
4.3 Plant Maintenance
Medium
Medium
4.4 Watering Plants
4.4.1 Watering Requirements
Do Not over Water, Keep ground moist
Average Water Needs
4.4.2 In Summer
Consistently
Lots of watering
4.4.3 In Spring
Moderate
Moderate
4.4.4 In Winter
Ample Water
Average Water
4.5 Soil
4.5.1 Soil pH
Acidic
Acidic, Neutral, Alkaline
4.5.2 Soil Type
Loam, Sand
Loam, Sand
4.5.3 Soil Drainage Capacity
Well drained
Average
4.6 Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
4.7 Pruning
Prune after flowering, Remove dead or diseased plant parts, Remove deadheads, Remove short twigs
Remove damaged leaves, Remove dead branches, Remove dead leaves
4.8 Fertilizers
Apply 12-10-18 NPK, General garden fertilizer
All-Purpose Liquid Fertilizer, Nitrogen
4.9 Pests and Diseases
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf
Not Available
4.10 Plant Tolerance
Not Available
Maritime exposure, Salt water
5 Facts
5.1 Flowers
Showy
Insignificant
5.1.1 Flower Petal Number
Single
Not Available
5.2 Fruits
5.2.1 Showy Fruit
5.2.2 Edible Fruit
5.3 Fragrance
5.3.1 Fragrant Flower
5.3.2 Fragrant Fruit
5.3.3 Fragrant Leaf
5.3.4 Fragrant Bark/Stem
5.4 Showy Foliage
5.5 Showy Bark
5.6 Foliage Texture
Coarse
Medium
5.7 Foliage Sheen
Matte
Glossy
5.8 Evergreen
5.9 Invasive
5.10 Self-Sowing
5.11 Attracts
Not Available
Insects, Not Available
5.12 Allergy
Asthma
Not Available
6 Benefits
6.1 Uses
6.1.1 Aesthetic Uses
Showy Purposes
Not Used For Aesthetic Purpose
6.1.2 Beauty Benefits
Making cosmetics
Skin Problems
6.1.3 Edible Uses
6.1.4 Environmental Uses
Air purification
Air purification, Prevent Soil Erosion, Shadow Tree
6.2 Plant Benefits
6.2.1 Medicinal Uses
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Anodyne, Appetizer, Astringent
6.2.2 Part of Plant Used
Whole plant
Flowers, Inner Bark, Sap
6.2.3 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
Used as a dye, used for making charcoal, Used for making informal hedge
6.3 Used As Indoor Plant
6.4 Used As Outdoor Plant
6.5 Garden Design
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Screening / Wind Break, Shade Trees
7 Scientific Name
7.1 Botanical Name
RHODODENDRON
ALNUS rubra
7.2 Common Name
Rhododendron
Oregon Alder, Red Alder
7.2.1 In Hindi
rhododendron
red alder
7.2.2 In German
Rhododendron
rot-Erle
7.2.3 In French
rhododendron
aulne rouge
7.2.4 In Spanish
rododendro
aliso rojo
7.2.5 In Greek
ροδοδάφνη
κόκκινη σκλήθρα
7.2.6 In Portuguese
rododendro
amieiro vermelho
7.2.7 In Polish
rododendron
czerwony olcha
7.2.8 In Latin
Rhododendron
red alnus
8 Classification
8.1 Kingdom
Plantae
Plantae
8.2 Phylum
Magnoliophyta
Magnoliophyta
8.3 Class
Magnoliopsida
Magnoliopsida
8.4 Order
Ericales
Fagales
8.5 Family
Ericaceae
Betulaceae
8.6 Genus
Rhododendron
Alnus
8.7 Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
8.8 Tribe
Rhodoreae
Not Available
8.9 Subfamily
Ericoideae
Not Available
8.10 Number of Species
102435
1 27800

Properties of Rhododendron and Red Alder

Wondering what are the properties of Rhododendron and Red Alder? We provide you with everything About Rhododendron and Red Alder. Rhododendron doesn't have thorns and Red Alder doesn't have thorns. Also Rhododendron does not have fragrant flowers. Rhododendron has allergic reactions like Asthma and Red Alder 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 Red Alder and you can choose the plant having best and most benefits.

Season and Care of Rhododendron and Red Alder

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

Rhododendron and Red Alder Physical Information

Rhododendron and Red Alder physical information is very important for comparison. Rhododendron height is 150.00 cm and width 150.00 cm whereas Red Alder height is 1,370.00 cm and width 610.00 cm. The color specification of Rhododendron and Red Alder are as follows:

  • Rhododendron flower color: Red

  • Rhododendron leaf color: Green

  • Red Alder flower color: Yellow, Red and Coral

  • Red Alder leaf color: Green and Dark Green

Care of Rhododendron and Red Alder

Care of Rhododendron and Red Alder 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 Red Alder 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 Red Alder needs Lots of watering and in winter, it needs Average Water.