Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
Central Asia, India, Nepal
Southeastern United States, Mexico, Caribbean, Central America
Types
White oak, Bluff oak, Muller oak
-
Number of Varieties
6001
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
Dry Forest, Lowland
USDA Hardiness Zone
6-910-15
0
99
👆🏻
AHS Heat Zone
7-5
12-10
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
H1, H2
Habit
Oval or Rounded
Oval or Rounded
Plant Size
Minimum Height
2,286.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Purple, Violet, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Sandy Brown, Sienna
Yellow, Red
Leaf Color in Spring
Green, Light Green, Gray
Green, Olive
Leaf Color in Summer
Green, Gray
Green, Dark Green
Leaf Color in Fall
Green, Dark Green, Gray
Green, Olive
Leaf Color in Winter
Dark Green, Gray
Olive
Shape
Leaf Shape
broad, flat
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
Very Slow
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Early Spring, Spring, Late Winter, Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Salt, Variety of soil types
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Keep the ground moist but not water-logged, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Neutral, Alkaline
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
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, slow-release fertilizers
Pests and Diseases
Red blotch
Pests and diseases free, Red blotch
Plant Tolerance
Drought
Drought, Salt, Variety of soil types
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
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Butterflies
Allergy
Pollen
Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Beautification, Cottage Garden, Ground Cover
Beauty Benefits
-
Blood purifying
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Food for birds, Shadow Tree
Plant Benefits
Medicinal Uses
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
anti-inflammatory, Gout, Rheumatism, Sore throat
Part of Plant Used
Leaves, Seeds, Wood
Fruits, Seeds, Wood
Other Uses
Used as firewood, used for making charcoal
Used for its medicinal properties, Wood is used for ship building
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Container, Feature Plant, Foundation, Mixed Border, Rock Garden / Wall, Tropical
Botanical Name
QUERCUS leucotrichophora
GUAIACUM sanctum
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
Holy-wood, Lignum Vitae
In Hindi
Blackjack Oak Tree
Holywood
In German
Blackjack Oak Tree
Holywood
In French
Blackjack Oak Tree
Holywood
In Spanish
Blackjack Oak Tree
Holywood
In Greek
Blackjack Oak Tree
Holywood
In Portuguese
Blackjack Carvalho
Holywood
In Polish
Blackjack Oak Tree
Holywood
In Latin
Blackjack quercum ligno
Holywood
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Sapindales
Family
Fagaceae
Zygophyllaceae
Genus
Quercus
Guaiacum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Zygophylloideae
Number of Species
605
1
27800
👆🏻