Life Span
Annual
Perennial
Type
Perennial
Tree
Origin
New Zealand
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Types
-
Quercus phellos, Quercus nigra
Number of Varieties
2055
0
40000
👆🏻
Habitat
All sorts of environments
Hot climate regions, low mountains, Tropical regions
USDA Hardiness Zone
7-96-9
0
99
👆🏻
AHS Heat Zone
9*6
9-3
Sunset Zone
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
Habit
Mat-forming
Oval or Rounded
Plant Size
Minimum Height
2.50 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm910.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
Red, Light Green, Chartreuse
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Tan, Chocolate
Leaf Color in Spring
Green, Gray Green, Silver
Green, Light Green
Leaf Color in Summer
Gray Green, Silver
Green, Dark Green
Leaf Color in Fall
Gray Green, Silver
Yellow, Orange, Sandy Brown
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Tiny
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Slow
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Summer
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Grafting, Seedlings
Plant Maintenance
High
Low
Watering Plants
Watering Requirements
Average Water Needs
Allow to dry out slightly between watering, Does not require lot of watering
In Summer
Drought Tolerant, Average Water
Lots of watering
In Spring
Alternate Days
Moderate
In Winter
Moderate
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Requires very little pruning
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
-
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
Pests and Diseases
Aphids, Spider mites
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Plant Tolerance
Drought
Heat Tolerance, Humidity, Salt and Soil Compaction
Flowers
Insignificant
Insignificant
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
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies, Hummingbirds
Birds
Allergy
-
Eczema, Rhinitis, Runny nose
Uses
Aesthetic Uses
Bog Garden, Borders
Landscape Designing, Showy Purposes
Beauty Benefits
-
Blood purifying, Reduce Bruises, Weightloss
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification
Plant Benefits
Medicinal Uses
-
Gout, Obesity, Snoring
Part of Plant Used
Whole plant
Bark, Stem
Other Uses
Showy Purposes
Animal Feed, Biodiesel, Recovering internal injuries
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Alpine, Container, Rock Garden / Wall
Shade Trees, Street Trees
Botanical Name
Raoulia glabra
QUERCUS phellos
Common Name
Raoulia
Willow Oak
In Hindi
Raoulia
Overcup ओक
In German
Raoulia
Overcup Oak
In French
Raoulia
Overcup Oak
In Spanish
Raoulia
Overcup Roble
In Greek
Raoulia
Overcup Oak
In Portuguese
raoulia
Overcup Oak
In Polish
Raoulia
Overcup Dąb
In Latin
Raoulia
Oryza
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
-
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Fagales
Family
Asteraceae
Fagaceae
Genus
Raoulia
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Gnaphalieae
-
Subfamily
-
Amaryllidoideae
Number of Species
100400
1
27800
👆🏻