Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
-
North America
Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Bergmann's Elm, Chestnut-leafed Elm, Hangzhou Elm
Number of Varieties
700175
0
40000
👆🏻
Habitat
moist forests
Woodland Garden Canopy
USDA Hardiness Zone
5-83-9
0
99
👆🏻
AHS Heat Zone
-
9-1
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Spreading
Upright/Erect
Plant Size
Minimum Height
150.00 cm3,900.00 cm
0
3900
👆🏻
Minimum Width
150.00 cm3,700.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red
Green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Tan
Leaf Color in Spring
Green
Light Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Light Yellow
Leaf Color in Winter
Green
-
Shape
Leaf Shape
Ovate
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Pollution
Where to Plant?
Ground
Ground
How to Plant?
From Rhizomes, Seedlings, Stem Planting
Budding, Grafting, Seedlings, Semi-hardwood cuttings, Softwood cuttings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Keep ground moist
Average Water Needs, Do Not over Water, Requires regular watering
In Summer
Consistently
Lots of watering
In Spring
Moderate
Moderate
In Winter
Ample Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full 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, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
Apply 12-10-18 NPK, General garden fertilizer
Complete balanced fertilizer, fertilize in spring
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
-
Pollution
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Coarse
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Birds, Butterflies
Allergy
Asthma
Pollen
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
Making cosmetics
Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Shadow Tree
Plant Benefits
Medicinal Uses
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Antispasmodic, Astringent, Birthing aid, Haemostatic, Salve
Part of Plant Used
Whole plant
Bark, Fibre, 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
Container, String, Used for woodware, Used in paper industry
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Feature Plant, Shade Trees, Street Trees
Botanical Name
RHODODENDRON
ULMUS americana 'Augustine'
Common Name
Rhododendron
American Elm, Augustine Elm
In Hindi
rhododendron
American Elm Tree
In German
Rhododendron
Amerikanische Ulme
In French
rhododendron
Américaine Elm Tree
In Spanish
rododendro
Olmo Americano Árbol
In Greek
ροδοδάφνη
American Elm Tree
In Portuguese
rododendro
Árvore de olmo americano
In Polish
rododendron
Amerykańska Elm Tree
In Latin
Rhododendron
Latin ulmo
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Urticales
Family
Ericaceae
Ulmaceae
Genus
Rhododendron
Ulmus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Rhodoreae
-
Subfamily
Ericoideae
-
Number of Species
10246
1
27800
👆🏻