Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Southeastern United States, Mexico, Caribbean, Central America
Types
Quercus phellos, Quercus nigra
-
Number of Varieties
551
0
40000
👆🏻
Habitat
Hot climate regions, low mountains, Tropical regions
Dry Forest, Lowland
USDA Hardiness Zone
6-910-15
0
99
👆🏻
AHS Heat Zone
9-3
12-10
Sunset Zone
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
H1, H2
Habit
Oval or Rounded
Oval or Rounded
Plant Size
Minimum Height
1,220.00 cm300.00 cm
0
3900
👆🏻
Minimum Width
910.00 cm370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Green, Chartreuse
Purple, Violet, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan, Chocolate
Yellow, Red
Leaf Color in Spring
Green, Light Green
Green, Olive
Leaf Color in Summer
Green, Dark Green
Green, Dark Green
Leaf Color in Fall
Yellow, Orange, Sandy Brown
Green, Olive
Leaf Color in Winter
-
Olive
Shape
Leaf Shape
Irregular
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Very Slow
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring, Late Spring
Early Spring, Spring, Late Winter, Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Drought, Salt, Variety of soil types
Where to Plant?
Ground
Ground
How to Plant?
Grafting, Seedlings
Seedlings
Plant Maintenance
Low
Low
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Does not require lot of watering
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
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
All-Purpose Liquid Fertilizer, slow-release fertilizers
Pests and Diseases
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Pests and diseases free, Red blotch
Plant Tolerance
Heat Tolerance, Humidity, Salt and Soil Compaction
Drought, Salt, Variety of soil types
Flowers
Insignificant
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
Fine
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Butterflies
Allergy
Eczema, Rhinitis, Runny nose
Skin irritation
Uses
Aesthetic Uses
Landscape Designing, Showy Purposes
Beautification, Cottage Garden, Ground Cover
Beauty Benefits
Blood purifying, Reduce Bruises, Weightloss
Blood purifying
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Food for birds, Shadow Tree
Plant Benefits
Medicinal Uses
Gout, Obesity, Snoring
anti-inflammatory, Gout, Rheumatism, Sore throat
Part of Plant Used
Bark, Stem
Fruits, Seeds, Wood
Other Uses
Animal Feed, Biodiesel, Recovering internal injuries
Used for its medicinal properties, Wood is used for ship building
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Container, Feature Plant, Foundation, Mixed Border, Rock Garden / Wall, Tropical
Botanical Name
QUERCUS phellos
GUAIACUM sanctum
Common Name
Willow Oak
Holy-wood, Lignum Vitae
In Hindi
Overcup ओक
Holywood
In German
Overcup Oak
Holywood
In French
Overcup Oak
Holywood
In Spanish
Overcup Roble
Holywood
In Greek
Overcup Oak
Holywood
In Portuguese
Overcup Oak
Holywood
In Polish
Overcup Dąb
Holywood
In Latin
Oryza
Holywood
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Sapindales
Family
Fagaceae
Zygophyllaceae
Genus
Quercus
Guaiacum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Amaryllidoideae
Zygophylloideae
Number of Species
4005
1
27800
👆🏻