Life Span
Perennial
Perennial
Type
Flowering Plants
Tree
Origin
South-Central United States
Southern Europe, Mediterranean, Northern Africa
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Quercus ilex, Quercus rotundifolia
Number of Varieties
2002
0
40000
👆🏻
Habitat
Rocky areas
Mediterranean region
USDA Hardiness Zone
5-84-8
0
99
👆🏻
AHS Heat Zone
12-1
9-2
Sunset Zone
No Available
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm1,070.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, Sandy Brown, Chocolate
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Dark Green
Leaf Color in Winter
-
Dark Green
Shape
Leaf Shape
Long linear and narrow
Oblong or Lanceolate
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
Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Pollution, Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Grafting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Average Water Needs, Do Not over Water, Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
fertilize in fall, Nitrogen, Phosphorous, Potassium
Pests and Diseases
Red blotch
Aphids, Moth
Plant Tolerance
Drought
Pollution, Shade areas
Flowers
Showy
Insignificant
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
Hummingbirds, Butterflies
Birds, Insects
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Cottage Garden
Beauty Benefits
-
Good for skin, Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Nesting sites for birds, Shadow Tree
Plant Benefits
Medicinal Uses
-
Digestive, Skin irritation
Part of Plant Used
Flowers, Leaves
Bark, Fruits, Wood
Other Uses
Showy Purposes, Used as Ornamental plant
Charcoal, Used as firewood, Used for its medicinal properties, Wood is used fore making tools
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Feature Plant, Hedges, Screening / Wind Break, Shade Trees, Street Trees
Botanical Name
PENSTEMON cobaea
QUERCUS ilex
Common Name
Beardtongue
Evergreen Oak, Holly Oak, Holm Oak
In Hindi
Beardtongue
होल्म ओक
In German
Bartfaden
Steineiche
In French
beardtongue
chêne vert
In Spanish
beardtongue
encina
In Greek
Beardtongue
πρινόδενδρο
In Portuguese
Beardtongue
azinheira
In Polish
Beardtongue
dąb skalny
In Latin
ursus lingua
ilice
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Fagales
Family
Scrophulariaceae
Fagaceae
Genus
Penstemon
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
26117
1
27800
👆🏻