Life Span
Perennial
Annual and Perennial
Type
Broadleaf Evergreen
Tree
Origin
-
Western United States, California, Mexico
Types
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Calocedrus decurrens
Number of Varieties
7001
0
40000
👆🏻
Habitat
moist forests
low mountains, Mountain tops, Subtropical climates, Temperate Regions
USDA Hardiness Zone
5-85-8
0
99
👆🏻
AHS Heat Zone
-
8-1
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Upright/Erect
Plant Size
Minimum Height
150.00 cm2,130.00 cm
0
3900
👆🏻
Minimum Width
150.00 cm180.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Sandy Brown
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Green
Green
Shape
Leaf Shape
Ovate
Pinnate
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
Slow
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
-
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
From Rhizomes, Seedlings, Stem Planting
Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Keep ground moist
Needs less watering, Water occasionally
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, Sand
Soil Drainage Capacity
Well drained
Well drained
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 if you want to improve plant shape, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Apply 12-10-18 NPK, General garden fertilizer
No fertilizers needed
Pests and Diseases
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf
Insects
Plant Tolerance
-
Drought
Flowers
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
-
Birds
Allergy
Asthma
-
Uses
Aesthetic Uses
Showy Purposes
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
Stomach pain
Part of Plant Used
Whole plant
Bark, 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
Making Perfumes, Used in pencil industry
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Screening / Wind Break, Shade Trees, Street Trees
Botanical Name
RHODODENDRON
CALOCEDRUS decurrens
Common Name
Rhododendron
Incense Cedar
In Hindi
rhododendron
Incense Cedar
In German
Rhododendron
Zeder
In French
rhododendron
Encens Cedar
In Spanish
rododendro
cedro de incienso
In Greek
ροδοδάφνη
θυμίαμα Κέδρος
In Portuguese
rododendro
cedro de incenso
In Polish
rododendron
kadzidło Cedar
In Latin
Rhododendron
incensum Cedar
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Pinopsida
Order
Ericales
Pinales
Family
Ericaceae
Cupressaceae
Genus
Rhododendron
Calocedrus
Clade
Angiosperms, Asterids, Eudicots
-
Tribe
Rhodoreae
-
Subfamily
Ericoideae
-
Number of Species
102450
1
27800
👆🏻