Life Span
Perennial
Perennial
Origin
Europe, Southern Asia, Southeastern Asia, India, China
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Types
cinnamomeum, zeylanicum, delavayi
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
Number of Varieties
Not Available
Habitat
Dappled Shade, Woodlands
Woodland Garden Canopy
USDA Hardiness Zone
7-9
4-8
Sunset Zone
H1, 8, 9, 14, 15, 16, 17, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Habit
Upright/Erect
Upright/Erect
Flower Color
White, Red, Pink
Red, Light Yellow, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Chocolate
Brown, Sandy Brown, Chocolate
Leaf Color in Spring
Green, Dark Green
Green, Copper
Leaf Color in Summer
Dark Green
Dark Green
Leaf Color in Fall
Dark Green
Orange, Brown, Dark Red
Leaf Color in Winter
Dark Green
Not Available
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring, Late Spring
Spring
Tolerances
Not Available
Wet Site, Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Requirements
Reduce water once established
Average Water Needs, Keep the ground moist but not water-logged, Needs a lot of water initially, occasional watering once established, Water Deeply
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune after flowering, Prune if you want to improve plant shape, Remove dead or diseased plant parts
Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
Doesn't require fertilization when grown in rich soil, Fertilize in early spring, fertilize in winter, Mulch
All-Purpose Liquid Fertilizer, High amounts of nutrients, organic fertlizers
Pests and Diseases
Phytophthora, Thripes
Red blotch
Plant Tolerance
Not Available
Drought, Wet Site
Flowers
Showy
Insignificant
Flower Petal Number
Single
Not Available
Edible Fruit
No
Not Available
Fragrant Bark/Stem
No
Yes
Foliage Texture
Coarse
Medium
Foliage Sheen
Glossy
Glossy
Attracts
Butterflies
Birds
Allergy
Not Available
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
Aesthetic Uses
Showy Purposes
Not Used For Aesthetic Purpose
Beauty Benefits
Not Available
Not Available
Environmental Uses
Insect Repellent, Shadow Tree, Windbreak
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Medicinal Uses
antimicrobial, Cancer, Dermatitis
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Part of Plant Used
Flowers, Leaves
Inner Bark, Leaves, Seeds
Other Uses
Used as fuel, Used as insect repellent, Used as Ornamental plant, Used for its medicinal properties
Tannin, Used as a dye, Used as fuel, Used as insect repellent, Used for woodware
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Mixed Border, Topiary / Bonsai / Espalier
Feature Plant, Shade Trees
Botanical Name
RHODODENDRON arboreum
QUERCUS velutina
Common Name
Chalan, Rose Tree, Tree Rhododendron
Black Oak
In Hindi
लाल बुरांश
Black Oak Tree
In German
Rhododendron arboreum
Schwarz Oak Tree
In French
Rhododendron arboreum
Noir Oak Tree
In Spanish
arboreum rododendro
Negro del árbol de roble
In Greek
Rhododendron arboreum
Black Oak Tree
In Portuguese
arboreum Rhododendron
Carvalho Preto
In Polish
różanecznik drzewiasty
Czarny Dąb
In Latin
Prunus arborea
Niger quercum ligno
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Ericaceae
Fagaceae
Genus
Rhododendron
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Not Available
Cherokee
Subfamily
Not Available
Not Available
Number of Species
Not Available
Season and Care of Rhododendron Arboreum and Black Oak
Season and care of Rhododendron Arboreum and Black Oak is important to know. While considering everything about Rhododendron Arboreum and Black Oak Care, growing season is an essential factor. Rhododendron Arboreum season is Spring, Summer, Fall and Winter and Black Oak season is Spring, Summer, Fall and Winter. The type of soil for Rhododendron Arboreum is Loam, Sand and for Black Oak is Clay, Loam, Sand while the PH of soil for Rhododendron Arboreum is Acidic and for Black Oak is Acidic, Neutral.
Rhododendron Arboreum and Black Oak Physical Information
Rhododendron Arboreum and Black Oak physical information is very important for comparison. Rhododendron Arboreum height is 910.00 cm and width 300.00 cm whereas Black Oak height is 2,438.40 cm and width 1,219.20 cm. The color specification of Rhododendron Arboreum and Black Oak are as follows:
Rhododendron Arboreum flower color: White, Red and Pink
Rhododendron Arboreum leaf color: Green and Dark Green
Black Oak flower color: Red, Light Yellow and Yellow green
- Black Oak leaf color: Green and Copper
Care of Rhododendron Arboreum and Black Oak
Care of Rhododendron Arboreum and Black Oak include pruning, fertilizers, watering etc. Rhododendron Arboreum pruning is done Prune after flowering, Prune if you want to improve plant shape and Remove dead or diseased plant parts and Black Oak pruning is done Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts and Remove deadheads. In summer Rhododendron Arboreum needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Black Oak needs Lots of watering and in winter, it needs Average Water.