Life Span
Perennial
Perennial
Type
Perennial
Grass
Origin
-
Southwestern United States, Texas, Mexico
Types
-
Nassella tenuissima
Number of Varieties
5015
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
driveways, open Woodlands, Roadsides, Rocky areas, Slopes, tree wells
USDA Hardiness Zone
4-86-10
0
99
👆🏻
AHS Heat Zone
8-1
11 - 4
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
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
Minimum Height
20.30 cm50.80 cm
0
3900
👆🏻
Minimum Width
27.90 cm55.90 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
-
Flower Color Modifier
-
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Purple
Green, Light Green
Leaf Color in Summer
Green, Purple
Light Green
Leaf Color in Fall
Green, Purple
Green, Yellow green, Tan
Leaf Color in Winter
Light Green
Green, Yellow green, Gold, Tan
Shape
Leaf Shape
Linear
Linear
Thorns
✔
✘
✔
✘
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
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
Do not water excessively
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, Alkaline
Soil Type
Clay, Loam, Sand
Clay, 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
Requires little pruning
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
Apply 12-6-6 fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
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
Fine
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
-
Allergy
-
-
Uses
Aesthetic Uses
Beautification, Showy Purposes
Landscape Designing, Showy Purposes, small hedge
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Black Dyes
-
Part of Plant Used
-
Leaves
Other Uses
-
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Dried Flower / Everlasting, Container, Foundation, Mixed Border, Rock Garden / Wall
Botanical Name
Polemonium caeruleum
NASSELLA tenuissima
Common Name
Jacob's Ladder
Finestem Needlegrass, Mexican Feather Grass
In Hindi
Jacob's Ladder
Mexican Feather Grass
In German
Jacob's Ladder
Mexikanische Federgras
In French
Jacob's Ladder
Mexicaine Herbe Feather
In Spanish
Jacob's Ladder
Pluma hierba mexicana
In Greek
Jacob's Ladder
Μεξικού Αστραπή Grass
In Portuguese
Jacob's Ladder
Mexican Pena Relva
In Polish
Jacob's Ladder
Mexican Feather trawy
In Latin
Jacob's Ladder
Mexicanus Pluma Grass
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Ericales
Cyperales
Family
Polemoniaceae
Poaceae
Genus
Polemonium
Nassella
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
-
Stipeae
Subfamily
-
-
Number of Species
40116
1
27800
👆🏻