Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
Central Asia, India, Nepal
-
Types
White oak, Bluff oak, Muller oak
Rhododendron aberconwayi, Rhododendron bulu, Rhododendron kanehirae
Habitat
Clay soil areas, Dry areas, Sandy areas
moist forests
USDA Hardiness Zone
6-9
5-8
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
21,22
Habit
Oval or Rounded
Spreading
Flower Color
Red, Yellow green
Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Sandy Brown, Sienna
Green, Tan
Leaf Color in Spring
Green, Light Green, Gray
Green
Leaf Color in Summer
Green, Gray
Green
Leaf Color in Fall
Green, Dark Green, Gray
Green
Leaf Color in Winter
Dark Green, Gray
Green
Leaf Shape
broad, flat
Ovate
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic
Acidic
Soil Drainage
Average
Well drained
Bloom Time
Spring
Late Spring
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
From Rhizomes, Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs
Do Not over Water, Keep ground moist
In Summer
Lots of watering
Consistently
In Spring
Moderate
Moderate
In Winter
Average Water
Ample Water
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
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
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
-
Flower Petal Number
-
Single
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Matte
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
Making cosmetics
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Air purification
Medicinal Uses
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Burns, Chronic fatigue, Cold, Diarrhea, Dysentry, Headache, Rheumatism
Part of Plant Used
Leaves, Seeds, Wood
Whole plant
Other Uses
Used as firewood, used for making charcoal
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
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Feature Plant, Hedges, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Botanical Name
QUERCUS leucotrichophora
RHODODENDRON
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
Rhododendron
In Hindi
Blackjack Oak Tree
rhododendron
In German
Blackjack Oak Tree
Rhododendron
In French
Blackjack Oak Tree
rhododendron
In Spanish
Blackjack Oak Tree
rododendro
In Greek
Blackjack Oak Tree
ροδοδάφνη
In Portuguese
Blackjack Carvalho
rododendro
In Polish
Blackjack Oak Tree
rododendron
In Latin
Blackjack quercum ligno
Rhododendron
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Family
Fagaceae
Ericaceae
Genus
Quercus
Rhododendron
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Season and Care of Blackjack Oak and Rhododendron
Season and care of Blackjack Oak and Rhododendron is important to know. While considering everything about Blackjack Oak and Rhododendron Care, growing season is an essential factor. Blackjack Oak season is Spring, Summer, Fall and Winter and Rhododendron season is Spring, Summer, Fall and Winter. The type of soil for Blackjack Oak is Loam and for Rhododendron is Loam, Sand while the PH of soil for Blackjack Oak is Acidic and for Rhododendron is Acidic.
Blackjack Oak and Rhododendron Physical Information
Blackjack Oak and Rhododendron physical information is very important for comparison. Blackjack Oak height is 2,286.00 cm and width 1,219.20 cm whereas Rhododendron height is 150.00 cm and width 150.00 cm. The color specification of Blackjack Oak and Rhododendron are as follows:
Blackjack Oak flower color: Red and Yellow green
Blackjack Oak leaf color: Green, Light Green and Gray
Rhododendron flower color: Red
- Rhododendron leaf color: Green
Care of Blackjack Oak and Rhododendron
Care of Blackjack Oak and Rhododendron include pruning, fertilizers, watering etc. Blackjack Oak pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Rhododendron pruning is done Prune after flowering, Remove dead or diseased plant parts, Remove deadheads and Remove short twigs. In summer Blackjack Oak needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Rhododendron needs Consistently and in winter, it needs Ample Water.