Life Span
Perennial
Perennial
Type
Flowering Plants
Cactus or Succulent
Origin
South-Central United States
Eastern Asia, India
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
-
Number of Varieties
200-
0
40000
👆🏻
Habitat
Rocky areas
Temperate Regions, Tropical regions
USDA Hardiness Zone
5-810-11
0
99
👆🏻
AHS Heat Zone
12-1
-
Sunset Zone
No Available
H1, H2, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
30.00 cm120.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm12.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
Yellow, Yellow green
Flower Color Modifier
Bicolor
-
Fruit Color
-
Pink
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
-
Green
Shape
Leaf Shape
Long linear and narrow
Succulent
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial 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
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Dry soil, Heat Tolerance
Where to Plant?
Ground
Container, Ground
How to Plant?
From bulbs
Grafting, Stem Planting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires watering in the growing season
Average Water Needs, Do Not over Water, Never Over-water
In Summer
Lots of watering
Ample Water
In Spring
Moderate
Average Water
In Winter
Average Water
Less Watering
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, Partial Sun
Pruning
Remove damaged leaves
Prune if you want to improve plant shape, Remove damaged leaves, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
fertilize in fall, fertilize in spring, fertilize in summer, Nitrogen
Pests and Diseases
Red blotch
Powdery mildew, Red blotch, Root rot, Scale
Plant Tolerance
Drought
Drought, Dry soil, Heat Tolerance
Flowers
Showy
Insignificant
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
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Insects
Allergy
-
Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Beautification, Bonsai, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Erosion control, Food for insects, Very little waste, Wildlife
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Leaves
Leaves
Other Uses
Showy Purposes, Used as Ornamental plant
Air freshner, Showy Purposes, Traditional medicine, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Container, Foundation, Hedges, Houseplant, Mixed Border, Tropical
Botanical Name
PENSTEMON cobaea
EUPHORBIA lactea
Common Name
Beardtongue
Mottled Spurge, Frilled Fan, Elkhorn
In Hindi
Beardtongue
Elkhorn
In German
Bartfaden
Elkhorn
In French
beardtongue
Elkhorn
In Spanish
beardtongue
cuerno de alce
In Greek
Beardtongue
Elkhorn
In Portuguese
Beardtongue
Elkhorn
In Polish
Beardtongue
Elkhorn
In Latin
ursus lingua
Elkhorn
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Malpighiales
Family
Scrophulariaceae
Euphorbiaceae
Genus
Penstemon
Euphorbia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Euphorbieae
Subfamily
-
Euphorbioideae
Number of Species
2611
1
27800
👆🏻