Life Span
Perennial
Perennial
Type
Succulent
Tree
Origin
Western United States, Mexico
Europe, Eastern Europe, Southern Europe, Russia/Siberia, Iran, Central Asia, Southern Asia, Western Asia, India, Nepal, China
Types
Dudleya brittonii
Dudleya pulverulenta
Dudleya farinosa
Dudleya caespitosa
Dudleya virens
Black walnut
Number of Varieties
3030
0
40000
👆🏻
Habitat
Barren waste areas, Semi arid regions, Semi desert
Cold Regions, Hills, Hillside
USDA Hardiness Zone
-99994-8
0
99
👆🏻
AHS Heat Zone
12-1
7-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Rosette/Stemless
Oval or Rounded
Plant Size
Minimum Height
7.60 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
7.60 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Red, Pink
Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
-
Green, Brown
Leaf Color in Spring
Green, Gray
Green, Copper
Leaf Color in Summer
Green, Gray
Dark Green
Leaf Color in Fall
Green, Gray
Dark Green, Yellow green
Leaf Color in Winter
Green, Gray
-
Shape
Leaf Shape
Acuminate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Medium
Medium
Type of Soil
Sand
Clay, Loam, Sand
The pH of Soil
Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Frost
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Stem Cutting
Budding, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Allow soil to be completely dry in between waterings, Needs less watering
Requires watering in the growing season, Water Deeply, Water when top layer of soil becomes dry
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral
Acidic, Neutral
Soil Type
Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
In Early Autumn, Prune to stimulate growth, Remove dead leaves
Fertilizers
No fertilizers needed
fertilize in spring, Nitrogen
Pests and Diseases
Cochineal insect, Mealybugs, Nematodes, Red blotch, Rodent, Scale insects
Anthracnose, Armillaria mellea, Blight, Caterpillars, Crown gall, Crown rot, fungus, Powdery mildew, Red blotch
Plant Tolerance
Drought, Dry Conditions, Dry soil, Full Sun, Shade areas
Drought, Frost
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Bold
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
-
Allergy
-
Severe allergen
Uses
Aesthetic Uses
-
-
Beauty Benefits
-
Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Absorbs greenhouse gases, Absorbs huge amounts of CO2, Air purification, Amazing growth rate, Erosion control, Food for birds, Food for insects, Forms dense stands, Nesting sites for birds, Prevent Soil Erosion, Shadow Tree, Shelter for wildlife, Windbreak
Plant Benefits
Medicinal Uses
-
Anemia, Asthma, Cancer, Cough, Diarrhea, Menstrual Disorders, Urinary tract problems
Part of Plant Used
Leaves
Fruits, Seeds
Other Uses
-
Economic Purpose, Used as a dye, Used as firewood, Used As Food, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall
Edible, Feature Plant, Shade Trees
Botanical Name
DUDLEYA
JUGLANS regia
Common Name
Chalk Lettuce
Chalk dudleya
English Walnut
In Hindi
Dudleya
अंग्रेजी अखरोट
In German
Dudleya
Englisch Walnut
In French
Dudleya
Anglais Noyer
In Spanish
dudleya
Inglés nuez
In Greek
Dudleya
Αγγλικά Καρυδιά
In Portuguese
Dudleya
Inglês Walnut
In Polish
Dudleya
orzech włoski
In Latin
Dudley
Nucis anglicus
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Saxifragales
Fagales
Family
Crassulaceae
Juglandaceae
Genus
Dudleya
Juglans
Clade
Angiosperms, Core eudicots, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Juglandeae
Subfamily
-
Juglandoideae
Number of Species
4521
1
27800
👆🏻