Life Span
Perennial
Perennial
Type
Flowering Plants
Succulent
Origin
South-Central United States
Western United States, Mexico
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Dudleya brittonii
Dudleya pulverulenta
Dudleya farinosa
Dudleya caespitosa
Dudleya virens
Number of Varieties
20030
0
40000
👆🏻
Habitat
Rocky areas
Barren waste areas, Semi arid regions, Semi desert
USDA Hardiness Zone
5-8-9999
0
99
👆🏻
AHS Heat Zone
12-1
12-1
Sunset Zone
No Available
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Rosette/Stemless
Plant Size
Minimum Height
30.00 cm7.60 cm
0
3900
👆🏻
Minimum Width
30.50 cm7.60 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple
White, Yellow, Red, Pink
Flower Color Modifier
Bicolor
-
Fruit Color
-
-
Leaf Color in Spring
Green
Green, Gray
Leaf Color in Summer
Green
Green, Gray
Leaf Color in Fall
Green
Green, Gray
Leaf Color in Winter
-
Green, Gray
Shape
Leaf Shape
Long linear and narrow
Acuminate
Thorns
✔
✘
✔
✘
Plant Season
-
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Loam
Sand
The pH of Soil
Neutral, Alkaline
Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring
Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
From bulbs
Cuttings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires watering in the growing season
Allow soil to be completely dry in between waterings, Needs less 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
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, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
No fertilizers needed
Pests and Diseases
Red blotch
Cochineal insect, Mealybugs, Nematodes, Red blotch, Rodent, Scale insects
Plant Tolerance
Drought
Drought, Dry Conditions, Dry soil, Full Sun, Shade areas
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
Bold
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Hummingbirds, Butterflies
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Leaves
Leaves
Other Uses
Showy Purposes, Used as Ornamental plant
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Rock Garden / Wall, Wildflower
Container, Houseplant, Mixed Border, Rock Garden, Wall
Botanical Name
PENSTEMON cobaea
DUDLEYA
Common Name
Beardtongue
Chalk Lettuce
Chalk dudleya
In Hindi
Beardtongue
Dudleya
In German
Bartfaden
Dudleya
In French
beardtongue
Dudleya
In Spanish
beardtongue
dudleya
In Greek
Beardtongue
Dudleya
In Portuguese
Beardtongue
Dudleya
In Polish
Beardtongue
Dudleya
In Latin
ursus lingua
Dudley
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Equisetopsida
Magnoliopsida
Order
Lamiales
Saxifragales
Family
Scrophulariaceae
Crassulaceae
Genus
Penstemon
Dudleya
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Core eudicots, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
26145
1
27800
👆🏻