Life Span
Perennial
Perennial
Type
Flowering Plants
Shrubs
Origin
South-Central United States
China
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
August Beauty , Kleim’s Hardy, Aimee Yashioka, Radicans, Mystery
Number of Varieties
200200
0
40000
👆🏻
Habitat
Rocky areas
Subtropical climates, Tropical regions
USDA Hardiness Zone
5-88-10
0
99
👆🏻
AHS Heat Zone
12-1
12-8
Sunset Zone
No Available
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm26.25 cm
0
3900
👆🏻
Minimum Width
30.50 cm5.24 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White
Flower Color Modifier
Bicolor
-
Fruit Color
-
-
Leaf Color in Spring
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
Ovate
Thorns
✔
✘
✔
✘
Plant Season
-
Mid Spring, Mid Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Bright Indirect Sunlight
Growth Rate
Medium
Medium
Type of Soil
Loam
Well drained
The pH of Soil
Neutral, Alkaline
Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
From bulbs
Stem Planting, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Keep the ground moist but not water-logged, Requires regular watering, Requires watering in the growing season, Water twice a day in the initial period
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
Loam
Well drained
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Bright Indirect Sunlight
Pruning
Remove damaged leaves
Cut or pinch the stems, Do not prune during shooting season, Prune in summer, Prune prior to new growth, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Bud drop, Powdery mildew, Root rot, Stem canker
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Double
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
Bees
Allergy
-
Asthma, Headache
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Cold, Negativity
Part of Plant Used
Flowers, Leaves
Flowers, Fruits, Leaves
Other Uses
Showy Purposes, Used as Ornamental plant
Can be made into a herbal tea, Oil is used for aromatherapy, Oil is used in perfume, soaps, creams, etc., Showy Purposes, Used as Ornamental plant, Used for fragrance
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
-
Botanical Name
PENSTEMON cobaea
Gardenia
Common Name
Beardtongue
Gardenia
In Hindi
Beardtongue
Gardenia
In German
Bartfaden
Gardenie
In French
beardtongue
Gardénia
In Spanish
beardtongue
Gardenia
In Greek
Beardtongue
γαρδένια
In Portuguese
Beardtongue
gardênia
In Polish
Beardtongue
Gardenia
In Latin
ursus lingua
Gardenia
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Gentianales
Family
Scrophulariaceae
Rubiaceae
Genus
Penstemon
Gardenia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
Gardenieae
Subfamily
-
Ixoroideae
Number of Species
261140
1
27800
👆🏻