Life Span
Perennial
Perennial
Type
Flowering Plants
Shrub
Origin
South-Central United States
Texas, Mexico
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
-
Number of Varieties
200-
0
40000
👆🏻
Habitat
Rocky areas
Semi desert, shade of desert, Shaded sites
USDA Hardiness Zone
5-810-13
0
99
👆🏻
AHS Heat Zone
12-1
12-9
Sunset Zone
No Available
23, 24
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
30.00 cm45.70 cm
0
3900
👆🏻
Minimum Width
30.50 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Pink
Leaf Color in Spring
Green
Gray Green
Leaf Color in Summer
Green
Gray Green
Leaf Color in Fall
Green
Gray Green
Leaf Color in Winter
-
Gray Green
Shape
Leaf Shape
Long linear and narrow
-
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Very Slow
Type of Soil
Loam
Sand
The pH of Soil
Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Early Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Dry Conditions
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Cuttings, Divison, Rooted stem cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Keep the Soil well drained, occasional watering once established
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
Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Pests and diseases free
Plant Tolerance
Drought
Dry Conditions
Flowers
Showy
-
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
Bold
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Butterflies
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Borders, Slopes hedging
Beauty Benefits
-
Making cosmetics, Moisturizing
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Eczema
Part of Plant Used
Flowers, Leaves
wax
Other Uses
Showy Purposes, Used as Ornamental plant
Oil is used in perfume, soaps, creams, etc.
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Rock Garden, Wall, Wildflower
Botanical Name
PENSTEMON cobaea
EUPHORBIA antisyphilitica
Common Name
Beardtongue
wax plant
In Hindi
Beardtongue
Candelilla
In German
Bartfaden
candelilla
In French
beardtongue
candelilla
In Spanish
beardtongue
candelilla
In Greek
Beardtongue
candelilla
In Portuguese
Beardtongue
candelilla
In Polish
Beardtongue
candelilla
In Latin
ursus lingua
candelilla
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Euphorbiales
Family
Scrophulariaceae
Euphorbiaceae
Genus
Penstemon
Euphorbia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
261-
1
27800
👆🏻