Life Span
Biennial
Perennial
Type
Tree
Perennial
Origin
Central United States, Canada
-
Types
Two-petal ash, Single-leaf ash, Fragrant ash
-
Number of Varieties
6550
0
40000
👆🏻
Habitat
Dry areas, Hills, limestone outcrops, Moist woods
Cold Regions, Temperate Regions
USDA Hardiness Zone
4-84-8
0
99
👆🏻
AHS Heat Zone
8-4
8-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
Habit
Upright/Erect
Cushion/Mound-forming
Plant Size
Minimum Height
2,500.00 cm20.30 cm
0
3900
👆🏻
Minimum Width
100.00 cm27.90 cm
0
6350
👆🏻
Plant Color
Flower Color
Green, Purple
Blue, Lavender
Flower Color Modifier
Bicolor
-
Fruit Color
Green, Tan
-
Leaf Color in Spring
Green
Green, Purple
Leaf Color in Summer
Green
Green, Purple
Leaf Color in Fall
Yellow, Light Yellow
Green, Purple
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Spring
Early Spring, Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Keep ground moist, Water more in summer
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
-
Drought
Flowers
Insignificant
Showy
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
Medium
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Butterflies
Allergy
-
-
Uses
Aesthetic Uses
-
Beautification, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree
Air purification
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
Shade Trees, Street Trees
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
FRAXINUS quadrangulata
Polemonium caeruleum
Common Name
Blue Ash
Jacob's Ladder
In Hindi
Blue Ash plant
Jacob's Ladder
In German
Blue Ash Pflanze
Jacob's Ladder
In French
usine Blue Ash
Jacob's Ladder
In Spanish
planta de Blue Ash
Jacob's Ladder
In Greek
φυτό Blue Ash
Jacob's Ladder
In Portuguese
planta Blue Ash
Jacob's Ladder
In Polish
Blue Ash roślin
Jacob's Ladder
In Latin
Blue Ash herba
Jacob's Ladder
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Ericales
Family
Oleaceae
Polemoniaceae
Genus
Fraxinus
Polemonium
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Oleeae
-
Subfamily
-
-
Number of Species
6540
1
27800
👆🏻