Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Broadleaf Evergreen, Vines
Origin
-
India, Indonesia, Southeast Asia, Southern Asia
Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Red pepper, Orange pepper
Number of Varieties
7007
0
40000
👆🏻
Habitat
moist forests
Moist Soils, orchards, Temperate Regions
USDA Hardiness Zone
5-88-15
0
99
👆🏻
AHS Heat Zone
-
12 - 1
Sunset Zone
21,22
H1, H2, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Clump-Forming
Plant Size
Minimum Height
150.00 cm180.00 cm
0
3900
👆🏻
Minimum Width
150.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red
Lemon yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Red, Green, Light Green
Leaf Color in Spring
Green
Light Green, Dark Green
Leaf Color in Summer
Green
Light Green
Leaf Color in Fall
Green
Light Green, Dark Green
Leaf Color in Winter
Green
Light Green, Dark Green
Shape
Leaf Shape
Ovate
Circular cordate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
From Rhizomes, Seedlings, Stem Planting
Seedlings, Stem Planting, Vegetative Reproduction
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Keep ground moist
Do Not over Water, Sprinkle water over foliage, Water every two or three days during warmer months
In Summer
Consistently
Lots of watering
In Spring
Moderate
Moderate
In Winter
Ample Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
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
A hard prune may be necessary if the plant becomes woody, Remove dead branches, Trim each shoot back to the first set of leaves
Fertilizers
Apply 12-10-18 NPK, General garden fertilizer
10-10-10 diluted liquid fertilizer, All-Purpose Liquid Fertilizer, Do not let fertilizers touch the leaves
Pests and Diseases
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf
Aphids, Beetles, Root rot, Rust, Scab
Plant Tolerance
-
Heat Tolerance, Humidity, Salt and Soil Compaction
Flowers
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
Coarse
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Aphids, Leafminer, Snails, Squirrels
Allergy
Asthma
Oral Allergy
Uses
Aesthetic Uses
Showy Purposes
Beautification, Cottage Garden, Decorating walls
Beauty Benefits
Making cosmetics
Acne, Blackheads
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Fixes Nitrogen, Insect Repellent
Plant Benefits
Medicinal Uses
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Acid Reflux, Dysentry, Healthy teeth, Inflammation, Oral health
Part of Plant Used
Whole plant
Dried seeds
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
Culinary use, Oil is used for aromatherapy, Used in herbal medicines
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Container, Feature Plant, Hedges, Screening / Wind Break, Tropical
Botanical Name
RHODODENDRON
Piper nigrum
Common Name
Rhododendron
Peppercorn, Piper, Black pepper
In Hindi
rhododendron
काली मिर्च
In German
Rhododendron
Pfeffer
In French
rhododendron
Piper nigrum
In Spanish
rododendro
Poivrier noir
In Greek
ροδοδάφνη
μαύρο πιπέρι
In Portuguese
rododendro
Pimenta-preta
In Polish
rododendron
Pieprz czarny
In Latin
Rhododendron
nigrum piperis
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Piperales
Family
Ericaceae
Piperaceae
Genus
Rhododendron
Piper
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
Rhodoreae
-
Subfamily
Ericoideae
-
Number of Species
10241100
1
27800
👆🏻