Life Span
Perennial
Perennial
Type
Succulent
Perennial
Origin
Western United States, Mexico
Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
Types
Dudleya brittonii
Dudleya pulverulenta
Dudleya farinosa
Dudleya caespitosa
Dudleya virens
Ratibida columnifera
Number of Varieties
3025
0
40000
👆🏻
Habitat
Barren waste areas, Semi arid regions, Semi desert
Dry areas, Prairies, Rocky areas, rocky outcrops
USDA Hardiness Zone
-99993-10
0
99
👆🏻
AHS Heat Zone
12-1
10-1
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Rosette/Stemless
Upright/Erect
Plant Size
Minimum Height
7.60 cm30.00 cm
0
3900
👆🏻
Minimum Width
7.60 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Red, Pink
Yellow, Purple, Burgundy, Light Green, Brown
Flower Color Modifier
-
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green, Gray
Light Green, Gray Green
Leaf Color in Summer
Green, Gray
Light Green, Gray Green
Leaf Color in Fall
Green, Gray
Light Green, Gray Green
Leaf Color in Winter
Green, Gray
Light Green
Shape
Leaf Shape
Acuminate
Subulate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Sand
Loam, Sand
The pH of Soil
Neutral
Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Summer
Late Spring, Early Summer, Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Cuttings, Stem Cutting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Allow soil to be completely dry in between waterings, Needs less watering
Average Water Needs, Water in morning to avoid prompting diseases
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral
Neutral
Soil Type
Sand
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
Cut or pinch the stems, Pinch Tips, Remove damaged leaves, Remove dead branches, Remove dead flowers, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
No fertilizers needed
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
Cochineal insect, Mealybugs, Nematodes, Red blotch, Rodent, Scale insects
Pests and diseases free, Red blotch
Plant Tolerance
Drought, Dry Conditions, Dry soil, Full Sun, Shade areas
Drought, Dry Conditions, Dry soil, Full Sun
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
Bold
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Birds, Butterflies
Allergy
-
Rhinitis
Uses
Aesthetic Uses
-
Borders
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Analgesic
Part of Plant Used
Leaves
Flowers
Other Uses
-
Can be made into a herbal tea, Used in making tea
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Houseplant, Mixed Border, Rock Garden, Wall
Container, Cutflower, Mixed Border, Wildflower
Botanical Name
DUDLEYA
RATIBIDA columnifera
Common Name
Chalk Lettuce
Chalk dudleya
Mexican Hat
In Hindi
Dudleya
Mexican Hat
In German
Dudleya
Mexican Hat
In French
Dudleya
Mexican Hat
In Spanish
dudleya
mexican Hat
In Greek
Dudleya
Mexican Hat
In Portuguese
Dudleya
Mexican Hat
In Polish
Dudleya
Mexican Hat
In Latin
Dudley
Mexicanus Hat
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Saxifragales
Asterales
Family
Crassulaceae
Asteraceae
Genus
Dudleya
Ratibida
Clade
Angiosperms, Core eudicots, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
4514
1
27800
👆🏻