Life Span
Perennial
Perennial
Origin
Hybrid origin
Europe, Asia
Types
Not Available
Blue Oat grass
Habitat
Cold Regions, Temperate Regions
Cropland, gardens, Grassland, Roadsides
USDA Hardiness Zone
4-8
4-9
AHS Heat Zone
8-1
Not Available
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, 15, 16, 17, 23, 24
Habit
Cushion/Mound-forming
Clump-Forming
Flower Color
Blue, Lavender
Brown
Flower Color Modifier
Not Available
Bicolor
Fruit Color
Non Fruiting Plant
Brown
Leaf Color in Spring
Green, Purple
Gray Green
Leaf Color in Summer
Green, Purple
Light Green
Leaf Color in Fall
Green, Purple
Dark Green
Leaf Color in Winter
Light Green
Tan, Brown
Leaf Shape
Linear
Grass like
Plant Season
Spring, Summer, Fall
Not Available
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
Early Summer
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
Does not require lot of watering, Water occasionally
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
Showy
Not Available
Flower Petal Number
Single
Single
Foliage Texture
Fine
Not Available
Foliage Sheen
Matte
Matte
Attracts
Butterflies
Not Available
Allergy
Not Available
Asthma, Itchy eyes
Aesthetic Uses
Beautification, Showy Purposes
Not Used For Aesthetic Purpose
Beauty Benefits
Not Available
Not Available
Environmental Uses
Air purification
Air purification
Medicinal Uses
Black Dyes, Not Available
Arthritis, Headache, Stomach pain
Part of Plant Used
Not Available
Whole plant
Other Uses
Not Available
Used as a nutritious food item
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Bedding Plant, Feature Plant, Groundcover
Botanical Name
Polemonium caeruleum
ARRHENATHERUM
Common Name
Jacob's Ladder
Oatgrass
In Hindi
Jacob's Ladder
जई घास
In German
Jacob's Ladder
Ährengras
In French
Jacob's Ladder
Folle avoine
In Spanish
Jacob's Ladder
oat Grass
In Greek
Jacob's Ladder
βρώμη Grass
In Portuguese
Jacob's Ladder
aveia-
In Polish
Jacob's Ladder
Owies trawa
In Latin
Jacob's Ladder
oat Grass
Phylum
Tracheophyta
Not Available
Class
Magnoliopsida
Liliopsida
Family
Polemoniaceae
Poaceae
Genus
Polemonium
Danthonia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
Not Available
Aveneae
Subfamily
Not Available
Danthonioideae
Number of Species
Not Available
Season and Care of Jacob's Ladder and Oatgrass
Season and care of Jacob's Ladder and Oatgrass is important to know. While considering everything about Jacob's Ladder and Oatgrass Care, growing season is an essential factor. Jacob's Ladder season is Spring, Summer and Fall and Oatgrass season is Spring, Summer and Fall. The type of soil for Jacob's Ladder is Clay, Loam, Sand and for Oatgrass is Loam while the PH of soil for Jacob's Ladder is Acidic, Neutral, Alkaline and for Oatgrass is Acidic, Neutral.
Jacob's Ladder and Oatgrass Physical Information
Jacob's Ladder and Oatgrass physical information is very important for comparison. Jacob's Ladder height is 20.30 cm and width 27.90 cm whereas Oatgrass height is 20.50 cm and width 30.50 cm. The color specification of Jacob's Ladder and Oatgrass are as follows:
Jacob's Ladder flower color: Blue and Lavender
Jacob's Ladder leaf color: Green and Purple
Oatgrass flower color: Brown
- Oatgrass leaf color: Gray Green
Care of Jacob's Ladder and Oatgrass
Care of Jacob's Ladder and Oatgrass include pruning, fertilizers, watering etc. Jacob's Ladder pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Oatgrass pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Jacob's Ladder needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Oatgrass needs Lots of watering and in winter, it needs Average Water.