Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
-
Asia
Types
-
Ulmus pumila
Number of Varieties
503
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
Woodland Garden Canopy
USDA Hardiness Zone
4-82-9
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
A1, A2, A3, 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 cm-
0
3900
👆🏻
Minimum Width
27.90 cm-
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
-
Flower Color Modifier
-
Bicolor
Fruit Color
-
Green, Tan
Leaf Color in Spring
Green, Purple
Dark Green
Leaf Color in Summer
Green, Purple
Dark Green
Leaf Color in Fall
Green, Purple
Dark Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Elliptic
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Very Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, 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 over Water, Needs watering once a week
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
Average
Sun Exposure
Partial Sun, Partial shade
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove diseased branches by the tool's blades dipped into the alcohol solution
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
20-5-10 fertilizer
Pests and Diseases
Red blotch
Aphids, Leaf spot, Powdery mildew
Plant Tolerance
Drought
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
Insects
Allergy
-
Mild Allergen
Uses
Aesthetic Uses
Beautification, Showy Purposes
Bonsai
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Black Dyes
Antibilious, Antidote, Demulcent, Diuretic, Febrifuge, Poultice
Part of Plant Used
-
Fruits, Inner Bark, Leaves
Other Uses
-
Inner bark can be dried and made into noodles, Sauces, Sometimes used for making wine, Used as a potherb, Wood used for boat making
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Shade Trees
Botanical Name
Polemonium caeruleum
ULMUS pumila
Common Name
Jacob's Ladder
Siberian Elm
In Hindi
Jacob's Ladder
Siberian Elm
In German
Jacob's Ladder
Siberian Elm
In French
Jacob's Ladder
Siberian Elm
In Spanish
Jacob's Ladder
Siberiano Elm
In Greek
Jacob's Ladder
Σιβηρίας Elm
In Portuguese
Jacob's Ladder
Siberian Elm
In Polish
Jacob's Ladder
Siberian Elm
In Latin
Jacob's Ladder
Siberian Elm
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
4035
1
27800
👆🏻