Life Span
Perennial
  
Perennial
  
Type
Grass
  
Tender Perennial
  
Origin
World/Pandemic, North America, Europe, Russia/Siberia, Asia
  
North America, Mexico, Latin America and the Caribbean, Caribbean, Central America, South America
  
Types
Blue fescue, Large Blue fescue
  
Cryptanthus 'Absolute Zero'
Cryptanthus 'Agate'
Cryptanthus 'Alberta'
Cryptanthus 'Alpine Frost'
  
Number of Varieties
Not Available
  
Habitat
Moist Soils, Rocky areas, Well Drained
  
Lowland evergreen rainforest, Rainforest, Shaded sites, Wild
  
USDA Hardiness Zone
4-8
  
Not Available
  
AHS Heat Zone
8 - 1
  
Not Available
  
Sunset Zone
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
  
Not Available
  
Habit
Clump-Forming
  
Not Available
  
Plant Size
  
  
Minimum Height
Not Available
  
Minimum Width
Not Available
  
Plant Color
  
  
Flower Color
Not Available
  
Not Available
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Not Available
  
Not Available
  
Leaf Color in Spring
Blue Green, Gray
  
Not Available
  
Leaf Color in Summer
Light Green
  
Not Available
  
Leaf Color in Fall
Blue Green, Gray
  
Not Available
  
Leaf Color in Winter
Blue Green, Tan, Gray
  
Light Green
  
Shape
  
  
Leaf Shape
Grass like
  
Linear
  
Thorns
No
  
Not Available
  
Plant Season
Spring, Summer, Fall, Winter
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Not Available
  
Growth Rate
Medium
  
Not Available
  
Type of Soil
Loam, Sand
  
Not Available
  
The pH of Soil
Acidic, Neutral
  
Not Available
  
Soil Drainage
Well drained
  
Not Available
  
Bloom Time
Early Summer, Summer
  
Not Available
  
Repeat Bloomer
No
  
Not Available
  
Tolerances
Drought
  
Drought
  
Where to Plant?
Container, Ground
  
Container, Ground, Pot
  
How to Plant?
Seedlings
  
Cuttings, Leaf Cutting, Seedlings
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Requires regular watering
  
Average Water Needs, Do not water excessively, Keep the Soil well drained
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral
  
Not Available
  
Soil Type
Loam, Sand
  
Not Available
  
Soil Drainage Capacity
Well drained
  
Not Available
  
Sun Exposure
Full Sun, Partial Sun
  
Not Available
  
Pruning
Cut or pinch the stems, Remove dead leaves, Remove dead or diseased plant parts
  
Pinch or prune as they grow to promote branching and bushiness, Pinching, Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Fertilizers
Apply 10-10-10 amount
  
Does not require fertilizer once established
  
Pests and Diseases
Red blotch
  
Pests and diseases free, Red blotch
  
Plant Tolerance
Drought
  
Variety of soil types
  
Flowers
Insignificant
  
Showy
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
Not Available
  
Edible Fruit
No
  
Not Available
  
Fragrance
  
  
Fragrant Flower
No
  
Not Available
  
Fragrant Fruit
No
  
Not Available
  
Fragrant Leaf
No
  
Not Available
  
Fragrant Bark/Stem
No
  
Not Available
  
Showy Foliage
Yes
  
Not Available
  
Showy Bark
No
  
Not Available
  
Foliage Texture
Fine
  
Not Available
  
Foliage Sheen
Matte
  
Not Available
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
Not Available
  
Attracts
Birds, Butterflies
  
Ladybug beetles, Mealybugs, Scale Insects
  
Allergy
Not Available
  
Not Available
  
Uses
  
  
Aesthetic Uses
Ground Cover
  
Beautification, Borders, Decorating walls, Ground Cover
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
No
  
No
  
Environmental Uses
Air purification, Provides ground cover
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
Not Available
  
Not Available
  
Part of Plant Used
Flowers, Seeds
  
Not Available
  
Other Uses
Used as Ornamental plant
  
Used as Ornamental plant, useful as a ground cover
  
Used As Indoor Plant
Insignificant
  
Yes
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Bedding Plant, Container, Feature Plant, Mixed Border, Rock Garden / Wall
  
Not Available
  
Botanical Name
FESTUCA glauca 'Boulder Blue'
  
CRYPTANTHUS
  
Common Name
Blue Fescue, Boulder Blue Fescue
  
Cryptanthus, Earth Star
  
In Hindi
Boulder Blue Fescue
  
Earth Star
  
In German
Boulder Blau -Schwingel
  
Erdstern
  
In French
Boulder bleu fétuque
  
Terre étoile
  
In Spanish
Boulder azul de la hierba festuca
  
estrella de la tierra
  
In Greek
Boulder μπλε γρασίδι φεστούκα
  
γη αστεριών
  
In Portuguese
Boulder Blue Grass festuca
  
Estrela da terra
  
In Polish
Boulder niebieskie trawy kostrzewy
  
Gwiazda ziemi
  
In Latin
Hyacintho herba, lapidem fescue
  
terra, stella
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Tracheophyta
  
Class
Liliopsida
  
Liliopsida
  
Order
Cyperales
  
Bromeliales
  
Family
Poaceae
  
Bromeliaceae
  
Genus
Festuca
  
Cryptanthus
  
Clade
Angiosperms, Commelinids, Monocots
  
Angiosperms, Commelinids, Monocots
  
Tribe
Poeae
  
Not Available
  
Subfamily
Pooideae
  
Bromelioideae