Life Span
Perennial
Perennial
Type
Perennial
Cactus or Succulent
Origin
-
Southwestern United States, Mexico
Types
-
Dasylirion acrotrichum, Dasylirion berlandieri, Dasylirion cedrosanum
Number of Varieties
506
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
Desert, Dry areas, Rocky areas
USDA Hardiness Zone
4-812-15
0
99
👆🏻
AHS Heat Zone
8-1
12-10
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Cushion/Mound-forming
Rosette/Stemless
Plant Size
Minimum Height
20.30 cm17.78 cm
0
3900
👆🏻
Minimum Width
27.90 cm10.16 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
Yellow
Flower Color Modifier
-
-
Fruit Color
-
Tan
Leaf Color in Spring
Green, Purple
Green, Blue Green
Leaf Color in Summer
Green, Purple
Green, Blue Green
Leaf Color in Fall
Green, Purple
Green, Blue Green
Leaf Color in Winter
Light Green
Green, Blue Green
Shape
Leaf Shape
Linear
Narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Slow
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Seedlings
Leaf Cutting, Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
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
Soil pH
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, 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
All-Purpose Liquid Fertilizer, Fertilzer with low nitrogen content
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Fine
Bold
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Bees, Butterflies
Allergy
-
-
Uses
Aesthetic Uses
Beautification, Showy Purposes
Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Black Dyes
-
Part of Plant Used
-
-
Other Uses
-
useful as a ground cover
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Container, Dried Flower, Everlasting, Feature Plant, Rock Garden, Wall, Wildflower
Botanical Name
Polemonium caeruleum
DASYLIRION berlandieri
Common Name
Jacob's Ladder
Blue Giant, Blue Twister, Desert Spoon, Zaragosa
In Hindi
Jacob's Ladder
Blue Giant Grass
In German
Jacob's Ladder
Blue Giant Grass
In French
Jacob's Ladder
Blue Giant Herbe
In Spanish
Jacob's Ladder
Blue Grass gigante
In Greek
Jacob's Ladder
Μπλε Giant Grass
In Portuguese
Jacob's Ladder
Blue Grass gigante
In Polish
Jacob's Ladder
Błękitny Gigant Trawa
In Latin
Jacob's Ladder
Giant herba blue
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Magnoliopsida
-
Order
Ericales
Asparagales
Family
Polemoniaceae
Agavaceae
Genus
Polemonium
Dasylirion
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
Nolinoideae
Number of Species
4022
1
27800
👆🏻