Life Span
Perennial
Perennial
Type
Tree
Flowering Plants
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
North-Central United States, Central United States, Western United States, Texas
Types
Quercus phellos, Quercus nigra
Blue Toadflax, Old-Field Toadflax
Number of Varieties
5530
0
40000
👆🏻
Habitat
Hot climate regions, low mountains, Tropical regions
Cultivated Beds
USDA Hardiness Zone
6-93-9
0
99
👆🏻
AHS Heat Zone
9-3
9-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
1a, 1b, 2a, 2b, 3a, 3b, 10
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
1,220.00 cm61.00 cm
0
3900
👆🏻
Minimum Width
910.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Green, Chartreuse
Pink, Light Blue, Lavender
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan, Chocolate
-
Leaf Color in Spring
Green, Light Green
Light Green, Blue Green, Gray Green
Leaf Color in Summer
Green, Dark Green
Blue Green, Gray Green
Leaf Color in Fall
Yellow, Orange, Sandy Brown
Blue Green, Gray Green
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Oval to egg shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring, Late Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Ground
How to Plant?
Grafting, Seedlings
Cuttings, Divison, 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, Do Not over Water
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
Clay, Loam
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
use all-purpose fertilizers
Pests and Diseases
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Foliar disease, Root rot, Spider mites
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
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Bumblebees
Allergy
Eczema, Rhinitis, Runny nose
Depression, High blood cholestrol, Pain
Uses
Aesthetic Uses
Landscape Designing, Showy Purposes
Showy Purposes
Beauty Benefits
Blood purifying, Reduce Bruises, Weightloss
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Gout, Obesity, Snoring
Analgesic, Febrifuge, Stomachic
Part of Plant Used
Bark, Stem
Leaves, Root
Other Uses
Animal Feed, Biodiesel, Recovering internal injuries
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Rock Garden / Wall, Wildflower
Botanical Name
QUERCUS phellos
PENSTEMON grandiflorus
Common Name
Willow Oak
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
In Hindi
Overcup ओक
Wild Snapdragon
In German
Overcup Oak
Wilde Snapdragon
In French
Overcup Oak
Snapdragon sauvage
In Spanish
Overcup Roble
Salvaje Snapdragon
In Greek
Overcup Oak
άγρια Snapdragon
In Portuguese
Overcup Oak
Selvagem Snapdragon
In Polish
Overcup Dąb
Dziki Snapdragon
In Latin
Oryza
Phlox Ferae
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Scrophulariales
Family
Fagaceae
Scrophulariaceae
Genus
Quercus
Penstemon
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
Amaryllidoideae
Scrophularioideae
Number of Species
40040
1
27800
👆🏻