Life Span
Perennial
  
Perennial
  
Type
Perennial
  
Grass
  
Origin
Hybrid origin
  
World/Pandemic, North America, Europe, Russia/Siberia, Asia
  
Types
Not Available
  
Blue fescue, Large Blue fescue
  
Habitat
Cold Regions, Temperate Regions
  
Moist Soils, Rocky areas, Well Drained
  
USDA Hardiness Zone
4-8
  
4-8
  
AHS Heat Zone
8-1
  
8 - 1
  
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
  
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
Cushion/Mound-forming
  
Clump-Forming
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Blue, Lavender
  
Not Available
  
Flower Color Modifier
Not Available
  
Bicolor
  
Fruit Color
Non Fruiting Plant
  
Not Available
  
Leaf Color in Spring
Green, Purple
  
Blue Green, Gray
  
Leaf Color in Summer
Green, Purple
  
Light Green
  
Leaf Color in Fall
Green, Purple
  
Blue Green, Gray
  
Leaf Color in Winter
Light Green
  
Blue Green, Tan, Gray
  
Shape
  
  
Leaf Shape
Linear
  
Grass like
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Partial Sun, Partial shade
  
Full Sun, Partial Sun
  
Growth Rate
Medium
  
Medium
  
Type of Soil
Clay, Loam, Sand
  
Loam, Sand
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Acidic, Neutral
  
Soil Drainage
Average
  
Well drained
  
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
  
Early Summer, Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Drought
  
Drought
  
Where to Plant?
Container, Ground
  
Container, Ground
  
How to Plant?
Seedlings
  
Seedlings
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
  
Requires regular watering
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral, Alkaline
  
Acidic, Neutral
  
Soil Type
Clay, Loam, Sand
  
Loam, Sand
  
Soil Drainage Capacity
Average
  
Well drained
  
Sun Exposure
Partial Sun, Partial shade
  
Full Sun, Partial Sun
  
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Cut or pinch the stems, Remove dead leaves, Remove dead or diseased plant parts
  
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
  
Apply 10-10-10 amount
  
Pests and Diseases
Red blotch
  
Red blotch
  
Plant Tolerance
Drought
  
Drought
  
Flowers
Showy
  
Insignificant
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
No
  
Yes
  
Showy Bark
No
  
No
  
Foliage Texture
Fine
  
Fine
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
No
  
Yes
  
Attracts
Butterflies
  
Birds, Butterflies
  
Allergy
Not Available
  
Not Available
  
Uses
  
  
Aesthetic Uses
Beautification, Showy Purposes
  
Ground Cover
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
No
  
No
  
Environmental Uses
Air purification
  
Air purification, Provides ground cover
  
Plant Benefits
  
  
Medicinal Uses
Black Dyes, Not Available
  
Not Available
  
Part of Plant Used
Not Available
  
Flowers, Seeds
  
Other Uses
Not Available
  
Used as Ornamental plant
  
Used As Indoor Plant
Yes
  
Insignificant
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
  
Bedding Plant, Container, Feature Plant, Mixed Border, Rock Garden / Wall
  
Botanical Name
Polemonium caeruleum
  
FESTUCA glauca 'Boulder Blue'
  
Common Name
Jacob's Ladder
  
Blue Fescue, Boulder Blue Fescue
  
In Hindi
Jacob's Ladder
  
Boulder Blue Fescue
  
In German
Jacob's Ladder
  
Boulder Blau -Schwingel
  
In French
Jacob's Ladder
  
Boulder bleu fétuque
  
In Spanish
Jacob's Ladder
  
Boulder azul de la hierba festuca
  
In Greek
Jacob's Ladder
  
Boulder μπλε γρασίδι φεστούκα
  
In Portuguese
Jacob's Ladder
  
Boulder Blue Grass festuca
  
In Polish
Jacob's Ladder
  
Boulder niebieskie trawy kostrzewy
  
In Latin
Jacob's Ladder
  
Hyacintho herba, lapidem fescue
  
Kingdom
Plantae
  
Plantae
  
Phylum
Tracheophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Liliopsida
  
Order
Ericales
  
Cyperales
  
Family
Polemoniaceae
  
Poaceae
  
Genus
Polemonium
  
Festuca
  
Clade
Angiosperms, Asterids, Eudicots
  
Angiosperms, Commelinids, Monocots
  
Tribe
Not Available
  
Poeae
  
Subfamily
Not Available
  
Pooideae
  
Season and Care of Jacob's Ladder and Boulder Blue Fescue
Season and care of Jacob's Ladder and Boulder Blue Fescue is important to know. While considering everything about Jacob's Ladder and Boulder Blue Fescue Care, growing season is an essential factor. Jacob's Ladder season is Spring, Summer and Fall and Boulder Blue Fescue season is Spring, Summer and Fall. The type of soil for Jacob's Ladder is Clay, Loam, Sand and for Boulder Blue Fescue is Loam, Sand while the PH of soil for Jacob's Ladder is Acidic, Neutral, Alkaline and for Boulder Blue Fescue is Acidic, Neutral.
Jacob's Ladder and Boulder Blue Fescue Physical Information
Jacob's Ladder and Boulder Blue Fescue physical information is very important for comparison. Jacob's Ladder height is 20.30 cm and width 27.90 cm whereas Boulder Blue Fescue height is 30.50 cm and width 25.40 cm. The color specification of Jacob's Ladder and Boulder Blue Fescue are as follows:
Jacob's Ladder flower color: Blue and Lavender
Jacob's Ladder leaf color: Green and Purple
Boulder Blue Fescue flower color: Not Available
- Boulder Blue Fescue leaf color: Blue Green and Gray
Care of Jacob's Ladder and Boulder Blue Fescue
Care of Jacob's Ladder and Boulder Blue Fescue include pruning, fertilizers, watering etc. Jacob's Ladder pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Boulder Blue Fescue pruning is done Cut or pinch the stems, Remove dead leaves and Remove dead or diseased plant parts. In summer Jacob's Ladder needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Boulder Blue Fescue needs Lots of watering and in winter, it needs Average Water.