Life Span
Perennial
Annual
Type
Flowering Plants
Tender Perennial
Origin
South-Central United States
Madagascar
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Broadleaf evergreen
Number of Varieties
20040
0
40000
👆🏻
Habitat
Rocky areas
Tropical areas
USDA Hardiness Zone
5-810-12
0
99
👆🏻
AHS Heat Zone
12-1
12-1
Sunset Zone
No Available
H2, 21, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
30.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Yellow
Leaf Color in Spring
Green
Red, Olive, Gray Green
Leaf Color in Summer
Green
Red, Olive, Gray Green
Leaf Color in Fall
Green
Red, Olive, Gray Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Long linear and narrow
Linear
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial Sun, Partial shade
Growth Rate
Medium
Slow
Type of Soil
Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
From bulbs
Cuttings, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Water occasionally
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
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Partial Sun, Partial shade
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
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Showy
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
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
-
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Headache, Healing, Sore Eyes
Part of Plant Used
Flowers, Leaves
Leaves
Other Uses
Showy Purposes, Used as Ornamental plant
Air freshner, Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Container, Feature Plant, Houseplant, Tropical
Botanical Name
PENSTEMON cobaea
DRACAENA marginata
Common Name
Beardtongue
Madagascar Dragon Tree
In Hindi
Beardtongue
Dracaena marginata
In German
Bartfaden
Dracaena marginata
In French
beardtongue
Dracaena marginata
In Spanish
beardtongue
Dracaena marginata
In Greek
Beardtongue
Dracaena marginata
In Portuguese
Beardtongue
marginata do Dracaena
In Polish
Beardtongue
Dracena marginata
In Latin
ursus lingua
Dracaena marginata
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Equisetopsida
Liliopsida
Order
Lamiales
Liliales
Family
Scrophulariaceae
Agavaceae
Genus
Penstemon
Dracaena
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
-
Number of Species
2611
1
27800
👆🏻