Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
-
North America
Types
-
Bergmann's Elm, Chestnut-leafed Elm, Hangzhou Elm
Number of Varieties
50175
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
Woodland Garden Canopy
USDA Hardiness Zone
4-83-9
0
99
👆🏻
AHS Heat Zone
8-1
9-1
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, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21
Habit
Cushion/Mound-forming
Upright/Erect
Plant Size
Minimum Height
20.30 cm3,900.00 cm
0
3900
👆🏻
Minimum Width
27.90 cm3,700.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
Green
Flower Color Modifier
-
Bicolor
Fruit Color
-
Tan
Leaf Color in Spring
Green, Purple
Light Green
Leaf Color in Summer
Green, Purple
Dark Green
Leaf Color in Fall
Green, Purple
Light Yellow
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Fast
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 Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Budding, Grafting, Seedlings, Semi-hardwood cuttings, Softwood cuttings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
Average Water Needs, Do Not over Water, Requires regular watering
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
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Average
Average
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, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
Complete balanced fertilizer, fertilize in spring
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Pollution
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
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds, Butterflies
Allergy
-
Pollen
Uses
Aesthetic Uses
Beautification, Showy Purposes
-
Beauty Benefits
-
Good for skin and hair
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Shadow Tree
Plant Benefits
Medicinal Uses
Black Dyes
Antispasmodic, Astringent, Birthing aid, Haemostatic, Salve
Part of Plant Used
-
Bark, Fibre, Leaves
Other Uses
-
Container, String, Used for woodware, Used in paper industry
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees, Street Trees
Botanical Name
Polemonium caeruleum
ULMUS americana 'Augustine'
Common Name
Jacob's Ladder
American Elm, Augustine Elm
In Hindi
Jacob's Ladder
American Elm Tree
In German
Jacob's Ladder
Amerikanische Ulme
In French
Jacob's Ladder
Américaine Elm Tree
In Spanish
Jacob's Ladder
Olmo Americano Árbol
In Greek
Jacob's Ladder
American Elm Tree
In Portuguese
Jacob's Ladder
Árvore de olmo americano
In Polish
Jacob's Ladder
Amerykańska Elm Tree
In Latin
Jacob's Ladder
Latin ulmo
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Urticales
Family
Polemoniaceae
Ulmaceae
Genus
Polemonium
Ulmus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
406
1
27800
👆🏻