Life Span
Perennial
Perennial
Type
Tree
Flowering Plants
Origin
Southern Europe, Mediterranean, Northern Africa
South-Central United States
Types
Quercus ilex, Quercus rotundifolia
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
2200
0
40000
👆🏻
Habitat
Mediterranean region
Rocky areas
USDA Hardiness Zone
4-85-8
0
99
👆🏻
AHS Heat Zone
9-2
12-1
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 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
1,070.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown, Chocolate
-
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
Dark Green
-
Shape
Leaf Shape
Oblong or Lanceolate
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
-
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Drought, Salt
-
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, Alkaline
Neutral, Alkaline
Soil Type
Clay, 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
Medium
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Insects
Hummingbirds, Butterflies
Allergy
-
-
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
Feature Plant, Hedges, Screening / Wind Break, Shade Trees, Street Trees
Bedding Plant, Rock Garden / Wall, Wildflower
Botanical Name
QUERCUS ilex
PENSTEMON cobaea
Common Name
Evergreen Oak, Holly Oak, Holm Oak
Beardtongue
In Hindi
होल्म ओक
Beardtongue
In German
Steineiche
Bartfaden
In French
chêne vert
beardtongue
In Spanish
encina
beardtongue
In Greek
πρινόδενδρο
Beardtongue
In Portuguese
azinheira
Beardtongue
In Polish
dąb skalny
Beardtongue
In Latin
ilice
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
17261
1
27800
👆🏻