Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Texas, Canada
-
Types
-
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Number of Varieties
25700
0
40000
👆🏻
Habitat
Wet lands
moist forests
USDA Hardiness Zone
4-95-8
0
99
👆🏻
AHS Heat Zone
9-1
-
Sunset Zone
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Upright/Erect
Spreading
Plant Size
Minimum Height
240.00 cm150.00 cm
0
3900
👆🏻
Minimum Width
300.00 cm150.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Yellow, Ivory
Green, Tan
Leaf Color in Spring
Green, Orange, Dark Green
Green
Leaf Color in Summer
Green, Dark Green
Green
Leaf Color in Fall
Red, Orange, Orange Red
Green
Leaf Color in Winter
-
Green
Shape
Leaf Shape
Pinnate
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic
Soil Drainage
Average
Well drained
Bloom Time
Early Summer, Summer
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
-
Where to Plant?
Ground
Ground
How to Plant?
From Rhizomes, Seedlings
From Rhizomes, Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
-
Do Not over Water, Keep ground moist
In Summer
Lots of watering
Consistently
In Spring
Moderate
Moderate
In Winter
Average Water
Ample Water
Soil
Soil pH
Acidic, Neutral
Acidic
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune after flowering, Remove dead or diseased plant parts, Remove deadheads, Remove short twigs
Fertilizers
All-Purpose Liquid Fertilizer
Apply 12-10-18 NPK, General garden fertilizer
Pests and Diseases
-
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf
Plant Tolerance
Drought
-
Flowers
Insignificant
Showy
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
Medium
Coarse
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
Irritate the mucus membrane, Rash, Skin irritation
Asthma
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
Making cosmetics
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Part of Plant Used
Sap
Whole plant
Other Uses
Used to make a black varnish for use in woodworking
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 Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
-
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Botanical Name
TOXICODENDRON vernix
RHODODENDRON
Common Name
Poison Dogwood, Poison Elderberry, Poison Sumac, Swamp Sumac
Rhododendron
In Hindi
toxicodendron vernix
rhododendron
In German
toxicodendron vernix
Rhododendron
In French
TOXICODENDRON vernix
rhododendron
In Spanish
vérnix TOXICODENDRON
rododendro
In Greek
Toxicodendron vernix
ροδοδάφνη
In Portuguese
TOXICODENDRON vernix
rododendro
In Polish
toxicodendron vernix
rododendron
In Latin
Natrum vernix
Rhododendron
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Sapindales
Ericales
Family
Anacardiaceae
Ericaceae
Genus
Toxicodendron
Rhododendron
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Rhodoreae
Subfamily
-
Ericoideae
Number of Species
351024
1
27800
👆🏻