Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
-
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
-
Number of Varieties
7003
0
40000
👆🏻
Habitat
moist forests
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
USDA Hardiness Zone
5-84-9
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, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Oval or Rounded
Plant Size
Minimum Height
150.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
150.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red
Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Black
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green
Green, Light Green
Leaf Color in Fall
Green
Yellow, Light Yellow, Tan
Leaf Color in Winter
Green
-
Shape
Leaf Shape
Ovate
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Wet Site, Pollution, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
From Rhizomes, Seedlings, Stem Planting
Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Do Not over Water, Keep ground moist
Requires a lot of watering, 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
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
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
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Fertilizers
Apply 12-10-18 NPK, General garden fertilizer
All-Purpose Liquid Fertilizer, No need to fertilize every year
Pests and Diseases
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf
Aphids, Red blotch, Sawfly Larvae
Plant Tolerance
-
Pollution, Soil Compaction, Wet Site
Flowers
Showy
Showy
Flower Petal Number
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
-
-
Allergy
Asthma
Asthma
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
Making cosmetics
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Erosion control, Wildlife
Plant Benefits
Medicinal Uses
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
-
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
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
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
Botanical Name
RHODODENDRON
BETULA nigra
Common Name
Rhododendron
River Birch
In Hindi
rhododendron
River Birch
In German
Rhododendron
Fluss Birch
In French
rhododendron
Birch river
In Spanish
rododendro
river Birch
In Greek
ροδοδάφνη
ποταμός Birch
In Portuguese
rododendro
river Birch
In Polish
rododendron
Rzeka Birch
In Latin
Rhododendron
Betula
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Fagales
Family
Ericaceae
Betulaceae
Genus
Rhododendron
Betula
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Rhodoreae
-
Subfamily
Ericoideae
-
Number of Species
10243
1
27800
👆🏻