Life Span
Biennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
United States, North-Central United States, Canada
-
Types
The White Oaks, Chestnut Oak, Bur Oak
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Number of Varieties
12700
0
40000
👆🏻
Habitat
Humid climates
moist forests
USDA Hardiness Zone
4-75-8
0
99
👆🏻
AHS Heat Zone
7-1
-
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
Spreading
Spreading
Plant Size
Minimum Height
2,499.36 cm150.00 cm
0
3900
👆🏻
Minimum Width
792.48 cm150.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Green
Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Chocolate
Green, Tan
Leaf Color in Spring
Pink, Sienna
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Red, Purple, Burgundy, Dark Red
Green
Leaf Color in Winter
-
Green
Shape
Leaf Shape
Y-shaped
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
Clay, Loamy, Moist, Sandy, Well drained
Loam, Sand
The pH of Soil
Acidic
Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
From Rhizomes, Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs watering once a week, occasional watering once established, Requires watering in the growing season, Water daily during growing season, Water more in summer
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
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Prune for shortening long shoots, Prune if you want to improve plant shape, Prune when plant is dormant, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove short branches
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
Red blotch
Azalea leaf gall, Bud blast, Galls, Honey fungus, Leaf Hoppers, Leaf spot, Petal blight, Phytophthora, Powdery mildew, Rust, Silver leaf
Plant Tolerance
Drought
-
Flowers
✔
✘
✔
✘
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
Medium
Coarse
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Hummingbirds, Squirrels, Woodpeckers
-
Allergy
-
Asthma
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
Making cosmetics
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, Shelter for wildlife
Air purification
Plant Benefits
Medicinal Uses
-
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Part of Plant Used
Tree trunks
Whole plant
Other Uses
Air freshner, Grown for shade, Used as firewood, Used in Furniture, Used in paper industry, Wood is used for making furniture, Wood is used fore making tools, Wood log is used in making fences
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
Shade Trees
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Botanical Name
QUERCUS ellipsoidalis
RHODODENDRON
Common Name
Northern Pin Oak
Rhododendron
In Hindi
Pin Oak
rhododendron
In German
Pin-Eichen
Rhododendron
In French
Pin Oak
rhododendron
In Spanish
pin Oak
rododendro
In Greek
pin Oak
ροδοδάφνη
In Portuguese
Pin Oak
rododendro
In Polish
pin Oak
rododendron
In Latin
Quercus
Rhododendron
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Ericales
Family
Fagaceae
Ericaceae
Genus
Quercus
Rhododendron
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Rhodoreae
Subfamily
-
Ericoideae
Number of Species
2071024
1
27800
👆🏻