Life Span
Perennial
Perennial
Type
Tree
Flowering Plants
Origin
Southern Europe, Mediterranean, Northern Africa
South-Central United States
Types
Quercus nigra, Quercus laurifolia
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
8200
0
40000
👆🏻
Habitat
-
Rocky areas
USDA Hardiness Zone
7-95-8
0
99
👆🏻
AHS Heat Zone
9-7
12-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
No Available
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,220.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Green
White, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Chocolate, Black
-
Leaf Color in Spring
Light Green, Bronze
Green
Leaf Color in Summer
Gray Green, Dark Green
Green
Leaf Color in Fall
Gray Green, Dark Green
Green
Leaf Color in Winter
Gray Green, Dark Green
-
Shape
Leaf Shape
Oblong or Lanceolate
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
-
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution
-
Where to Plant?
Ground
Ground
How to Plant?
Grafting, Seedlings
From bulbs
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves
Fertilizers
fertilize in fall, Nitrogen, Phosphorous, Potassium
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Moth
Red blotch
Plant Tolerance
Pollution, Shade areas
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
Hummingbirds, Butterflies
Allergy
sneezing, Vomiting, Watery eyes
-
Uses
Aesthetic Uses
Cottage Garden
Showy Purposes
Beauty Benefits
Good for skin, Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Nesting sites for birds, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Digestive, Skin irritation
-
Part of Plant Used
Bark, Fruits, Wood
Flowers, Leaves
Other Uses
Charcoal, Used as firewood, Used for its medicinal properties, Wood is used fore making tools
Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees, Street Trees
Bedding Plant, Rock Garden / Wall, Wildflower
Botanical Name
QUERCUS laurifolia
PENSTEMON cobaea
Common Name
Darlington Oak, Diamond-leaf Oak, Laurel Oak, Laurel-leaf Oak, Swamp Laurel Oak, Water Oak
Beardtongue
In Hindi
Quercus
Beardtongue
In German
Quercus
Bartfaden
In French
Quercus
beardtongue
In Spanish
Quercus
beardtongue
In Greek
Quercus
Beardtongue
In Portuguese
Quercus
Beardtongue
In Polish
Quercus
Beardtongue
In Latin
Quercus
ursus lingua
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Equisetopsida
Order
Fagales
Lamiales
Family
Fagaceae
Scrophulariaceae
Genus
Quercus
Penstemon
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
450261
1
27800
👆🏻