Life Span
Perennial
Biennial
Type
Perennial
Tree
Origin
-
Central United States, Canada
Types
-
Two-petal ash, Single-leaf ash, Fragrant ash
Number of Varieties
5065
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
Dry areas, Hills, limestone outcrops, Moist woods
USDA Hardiness Zone
4-84-8
0
99
👆🏻
AHS Heat Zone
8-1
8-4
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
2a, 2b, 3a, 3b, 4, 5, 6
Habit
Cushion/Mound-forming
Upright/Erect
Plant Size
Minimum Height
20.30 cm2,500.00 cm
0
3900
👆🏻
Minimum Width
27.90 cm100.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
Green, Purple
Flower Color Modifier
-
Bicolor
Fruit Color
-
Green, Tan
Leaf Color in Spring
Green, Purple
Green
Leaf Color in Summer
Green, Purple
Green
Leaf Color in Fall
Green, Purple
Yellow, Light Yellow
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam
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
-
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
Average Water Needs
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
Clay, Loam
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
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
-
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
-
-
Uses
Aesthetic Uses
Beautification, Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Black Dyes
-
Part of Plant Used
-
Inner Bark, Seeds
Other Uses
-
Used as a dye, Used for woodware, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Shade Trees, Street Trees
Botanical Name
Polemonium caeruleum
FRAXINUS quadrangulata
Common Name
Jacob's Ladder
Blue Ash
In Hindi
Jacob's Ladder
Blue Ash plant
In German
Jacob's Ladder
Blue Ash Pflanze
In French
Jacob's Ladder
usine Blue Ash
In Spanish
Jacob's Ladder
planta de Blue Ash
In Greek
Jacob's Ladder
φυτό Blue Ash
In Portuguese
Jacob's Ladder
planta Blue Ash
In Polish
Jacob's Ladder
Blue Ash roślin
In Latin
Jacob's Ladder
Blue Ash herba
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Scrophulariales
Family
Polemoniaceae
Oleaceae
Genus
Polemonium
Fraxinus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
Oleeae
Subfamily
-
-
Number of Species
4065
1
27800
👆🏻