Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Hybrid origin
China
Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Not Available
Habitat
moist forests
Fields, Forest edges, Grassland, Roadsides
USDA Hardiness Zone
5-8
4-8
AHS Heat Zone
Not Available
8-1
Sunset Zone
21,22
Not Available
Habit
Spreading
Arching/Fountain-shaped
Flower Color
Red
Yellow green, Light Green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Pink, Light Green, Sienna
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Dark Green
Leaf Color in Winter
Green
Not Available
Leaf Shape
Ovate
Heart-shaped
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
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, Early Summer, Summer
Tolerances
Not Available
Pollution, Drought, Salt, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
From Rhizomes, Seedlings, Stem Planting
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Do Not over Water, Keep ground moist
Average Water Needs, Do Not over Water
In Summer
Consistently
Drought Tolerant, Average Water
In Spring
Moderate
Drought Tolerant, Average Water
In Winter
Ample Water
Drought Tolerant, 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, Partial shade
Pruning
Prune after flowering, Remove dead or diseased plant parts, Remove deadheads, Remove short twigs
Prune in late summer or fall, Prune in late winter, 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, Spotted Lanterfly
Plant Tolerance
Not Available
Drought, Variety of soil types
Flowers
Showy
Insignificant
Flower Petal Number
Single
Single
Fragrant Bark/Stem
No
Yes
Foliage Texture
Coarse
Coarse
Foliage Sheen
Matte
Matte
Attracts
Not Available
Birds
Allergy
Asthma
allergic reaction, Skin irritation
Aesthetic Uses
Showy Purposes
Beautification, Showy Purposes
Beauty Benefits
Making cosmetics
No Beauty Benefits
Environmental Uses
Air purification
Air purification
Medicinal Uses
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Anthelmintic, Antispasmodic, Asthma, Astringent
Part of Plant Used
Whole plant
Bark, Root
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 Ornamental plant, Used for its medicinal properties, 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
Shade Trees, Street Trees
Botanical Name
RHODODENDRON
AILANTHUS altissima
Common Name
Rhododendron
Tree-of-Heaven
In Hindi
rhododendron
कल्पवृक्ष
In German
Rhododendron
Baum des Himmels
In French
rhododendron
Arbre de paradis
In Spanish
rododendro
Arbol del Cielo
In Greek
ροδοδάφνη
Δέντρο του Ουρανού
In Portuguese
rododendro
Árvore do céu
In Polish
rododendron
Drzewo Nieba
In Latin
Rhododendron
Lignum de caelo
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Sapindales
Family
Ericaceae
Simaroubaceae
Genus
Rhododendron
Ailanthus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Rhodoreae
Not Available
Subfamily
Ericoideae
Not Available
Number of Species
Not Available
Season and Care of Rhododendron and Tree-of-Heaven
Season and care of Rhododendron and Tree-of-Heaven is important to know. While considering everything about Rhododendron and Tree-of-Heaven Care, growing season is an essential factor. Rhododendron season is Spring, Summer, Fall and Winter and Tree-of-Heaven season is Spring, Summer, Fall and Winter. The type of soil for Rhododendron is Loam, Sand and for Tree-of-Heaven is Clay, Loam, Sand while the PH of soil for Rhododendron is Acidic and for Tree-of-Heaven is Acidic, Neutral, Alkaline.
Rhododendron and Tree-of-Heaven Physical Information
Rhododendron and Tree-of-Heaven physical information is very important for comparison. Rhododendron height is 150.00 cm and width 150.00 cm whereas Tree-of-Heaven height is 1,220.00 cm and width 1,070.00 cm. The color specification of Rhododendron and Tree-of-Heaven are as follows:
Rhododendron flower color: Red
Rhododendron leaf color: Green
Tree-of-Heaven flower color: Yellow green and Light Green
- Tree-of-Heaven leaf color: Green
Care of Rhododendron and Tree-of-Heaven
Care of Rhododendron and Tree-of-Heaven 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 Tree-of-Heaven pruning is done Prune in late summer or fall, Prune in late winter, 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 Tree-of-Heaven needs Drought Tolerant, Average Water and in winter, it needs Drought Tolerant, Average Water.