Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
North-Central United States, Central United States, Western United States, Texas
Central Asia, India, Nepal
Types
Blue Toadflax, Old-Field Toadflax
White oak, Bluff oak, Muller oak
Number of Varieties
30600
0
40000
👆🏻
Habitat
Cultivated Beds
Clay soil areas, Dry areas, Sandy areas
USDA Hardiness Zone
3-96-9
0
99
👆🏻
AHS Heat Zone
9-1
7-5
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
Habit
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
61.00 cm2,286.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm1,219.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Sandy Brown, Sienna
Leaf Color in Spring
Light Green, Blue Green, Gray Green
Green, Light Green, Gray
Leaf Color in Summer
Blue Green, Gray Green
Green, Gray
Leaf Color in Fall
Blue Green, Gray Green
Green, Dark Green, Gray
Leaf Color in Winter
-
Dark Green, Gray
Shape
Leaf Shape
Oval to egg shaped
broad, flat
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Loam
The pH of Soil
Neutral, Alkaline
Acidic
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Divison, Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic
Soil Type
Clay, Loam
Loam
Soil Drainage Capacity
Well drained
Average
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
use all-purpose fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Foliar disease, Root rot, Spider mites
Red blotch
Plant Tolerance
Drought
Drought
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
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bumblebees
Birds
Allergy
Depression, High blood cholestrol, Pain
Pollen
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Part of Plant Used
Leaves, Root
Leaves, Seeds, Wood
Other Uses
-
Used as firewood, used for making charcoal
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees
Botanical Name
PENSTEMON grandiflorus
QUERCUS leucotrichophora
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
Banj Oak, Blackjack Oak, Himalayan Oak
In Hindi
Wild Snapdragon
Blackjack Oak Tree
In German
Wilde Snapdragon
Blackjack Oak Tree
In French
Snapdragon sauvage
Blackjack Oak Tree
In Spanish
Salvaje Snapdragon
Blackjack Oak Tree
In Greek
άγρια Snapdragon
Blackjack Oak Tree
In Portuguese
Selvagem Snapdragon
Blackjack Carvalho
In Polish
Dziki Snapdragon
Blackjack Oak Tree
In Latin
Phlox Ferae
Blackjack quercum ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Fagales
Family
Scrophulariaceae
Fagaceae
Genus
Penstemon
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Scrophularioideae
-
Number of Species
4060
1
27800
👆🏻