Life Span
Perennial
Perennial
Type
Tree
Grass
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Eastern Africa, Southern Africa
Types
Quercus phellos, Quercus nigra
Robusta blue, Robusta green, Curvula
Number of Varieties
5520
0
40000
👆🏻
Habitat
Hot climate regions, low mountains, Tropical regions
Cultivated Beds
USDA Hardiness Zone
6-97-13
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
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,220.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
910.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Green, Chartreuse
Gray, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan, Chocolate
Gray Green, Silver
Leaf Color in Spring
Green, Light Green
Green, Dark Green
Leaf Color in Summer
Green, Dark Green
Light Green
Leaf Color in Fall
Yellow, Orange, Sandy Brown
Dark Green, Bronze
Leaf Color in Winter
-
Yellow, Dark Green, Bronze
Shape
Leaf Shape
Irregular
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring, Late Spring
Late Summer, Early Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Ground
How to Plant?
Grafting, Seedlings
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Does not require lot of watering
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut back old stems to the ground
Fertilizers
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
Requires high amount of nitrogen
Pests and Diseases
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
-
Plant Tolerance
Heat Tolerance, Humidity, Salt and Soil Compaction
Drought
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
Eczema, Rhinitis, Runny nose
conjunctivitis, Pollen
Uses
Aesthetic Uses
Landscape Designing, Showy Purposes
Borders, Showy Purposes
Beauty Benefits
Blood purifying, Reduce Bruises, Weightloss
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Erosion control
Plant Benefits
Medicinal Uses
Gout, Obesity, Snoring
-
Part of Plant Used
Bark, Stem
Leaves, Seeds
Other Uses
Animal Feed, Biodiesel, Recovering internal injuries
Used as a grain, Used to make baskets, brooms, hats
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Bedding Plant, Container, Edging, Groundcover, Mixed Border, Rock Garden / Wall
Botanical Name
QUERCUS phellos
ERAGROSTIS curvula
Common Name
Willow Oak
Weeping Lovegrass
In Hindi
Overcup ओक
Weeping Lovegrass
In German
Overcup Oak
Weinend lovegrass
In French
Overcup Oak
Weeping lovegrass
In Spanish
Overcup Roble
Pasto llorón
In Greek
Overcup Oak
κλάμα Lovegrass
In Portuguese
Overcup Oak
chorando lovegrass
In Polish
Overcup Dąb
Płacząca Lovegrass
In Latin
Oryza
Plorans Lovegrass
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Cyperales
Family
Fagaceae
Poaceae
Genus
Quercus
Eragrostis
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
-
Eragrostideae
Subfamily
Amaryllidoideae
Chloridoideae
Number of Species
40010
1
27800
👆🏻