Life Span
Perennial
Perennial
Type
Flowering Plants
Succulent
Origin
North-Central United States, Central United States, Western United States, Texas
Western United States, Mexico
Types
Blue Toadflax, Old-Field Toadflax
Dudleya brittonii
Dudleya pulverulenta
Dudleya farinosa
Dudleya caespitosa
Dudleya virens
Number of Varieties
3030
0
40000
👆🏻
Habitat
Cultivated Beds
Barren waste areas, Semi arid regions, Semi desert
USDA Hardiness Zone
3-9-9999
0
99
👆🏻
AHS Heat Zone
9-1
12-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 10
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Rosette/Stemless
Plant Size
Minimum Height
61.00 cm7.60 cm
0
3900
👆🏻
Minimum Width
25.40 cm7.60 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Light Blue, Lavender
White, Yellow, Red, Pink
Flower Color Modifier
Bicolor
-
Fruit Color
-
-
Leaf Color in Spring
Light Green, Blue Green, Gray Green
Green, Gray
Leaf Color in Summer
Blue Green, Gray Green
Green, Gray
Leaf Color in Fall
Blue Green, Gray Green
Green, Gray
Leaf Color in Winter
-
Green, Gray
Shape
Leaf Shape
Oval to egg shaped
Acuminate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Sand
The pH of Soil
Neutral, Alkaline
Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Divison, Seedlings
Cuttings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
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
Clay, Loam
Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
use all-purpose fertilizers
No fertilizers needed
Pests and Diseases
Foliar disease, Root rot, Spider mites
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
Bumblebees
Hummingbirds, Butterflies
Allergy
Depression, High blood cholestrol, Pain
-
Uses
Aesthetic Uses
Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Analgesic, Febrifuge, Stomachic
-
Part of Plant Used
Leaves, Root
Leaves
Other Uses
-
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Rock Garden / Wall, Wildflower
Container, Houseplant, Mixed Border, Rock Garden, Wall
Botanical Name
PENSTEMON grandiflorus
DUDLEYA
Common Name
Large Beardtongue, Shell-leaf Penstemon, Wild Snapdragon
Chalk Lettuce
Chalk dudleya
In Hindi
Wild Snapdragon
Dudleya
In German
Wilde Snapdragon
Dudleya
In French
Snapdragon sauvage
Dudleya
In Spanish
Salvaje Snapdragon
dudleya
In Greek
άγρια Snapdragon
Dudleya
In Portuguese
Selvagem Snapdragon
Dudleya
In Polish
Dziki Snapdragon
Dudleya
In Latin
Phlox Ferae
Dudley
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Saxifragales
Family
Scrophulariaceae
Crassulaceae
Genus
Penstemon
Dudleya
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Core eudicots, Eudicots
Tribe
-
-
Subfamily
Scrophularioideae
-
Number of Species
4045
1
27800
👆🏻