Life Span
Perennial
Perennial
Type
Flowering Plants
Perennial
Origin
South-Central United States
Southern Europe, Mediterranean
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
-
Number of Varieties
200220
0
40000
👆🏻
Habitat
Rocky areas
Maritime Rocks, Stone and Masonry fences and walls
USDA Hardiness Zone
5-85-9
0
99
👆🏻
AHS Heat Zone
12-1
9-3
Sunset Zone
No Available
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Cushion/Mound-forming
Plant Size
Minimum Height
30.00 cm20.30 cm
0
3900
👆🏻
Minimum Width
30.50 cm40.60 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green
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
-
Light Green
Shape
Leaf Shape
Long linear and narrow
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Spring, Late Spring, Early Summer, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
From bulbs
Seedlings, Stem Planting, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
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
Neutral, Alkaline
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves
Prune in flowering season, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Any balanced general purpose fertilizer
Pests and Diseases
Red blotch
Caterpillars, Slugs, Snails
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Butterflies
Allergy
-
Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Beautification, Cottage Garden, Ground Cover, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Agroforestry
Plant Benefits
Medicinal Uses
-
Asthma, Bronchitis, Diarrhea
Part of Plant Used
Flowers, Leaves
Leaves, Root, Seeds, Stem
Other Uses
Showy Purposes, Used as Ornamental plant
Used as Ornamental plant, Used in herbal medicines
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Alpine, Edging, Groundcover, Mixed Border, Rock Garden, Wall
Botanical Name
PENSTEMON cobaea
IBERIS sempervirens
Common Name
Beardtongue
Candytuft
In Hindi
Beardtongue
Candytuft
In German
Bartfaden
Schleifenblume
In French
beardtongue
candytuft
In Spanish
beardtongue
candytuft
In Greek
Beardtongue
candytuft
In Portuguese
Beardtongue
ibero
In Polish
Beardtongue
candytuft
In Latin
ursus lingua
Coleus
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Brassicales
Family
Scrophulariaceae
Brassicaceae
Genus
Penstemon
Iberis
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
26150
1
27800
👆🏻