Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
-
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Texas, Canada
Types
-
-
Number of Varieties
5025
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
Wet lands
USDA Hardiness Zone
4-84-9
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
1, 2, 3, 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
Upright/Erect
Plant Size
Minimum Height
20.30 cm240.00 cm
0
3900
👆🏻
Minimum Width
27.90 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
-
Light Yellow, Ivory
Leaf Color in Spring
Green, Purple
Green, Orange, Dark Green
Leaf Color in Summer
Green, Purple
Green, Dark Green
Leaf Color in Fall
Green, Purple
Red, Orange, Orange Red
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer, Fall
Growing Conditions
Sunlight
Partial Sun, Partial shade
Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
From Rhizomes, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
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
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Partial Sun, Partial shade
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, as it is a flowering plant, use high phosphorous content fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
-
Plant Tolerance
Drought
Drought
Flowers
Showy
Insignificant
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
-
Irritate the mucus membrane, Rash, Skin irritation
Uses
Aesthetic Uses
Beautification, Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Black Dyes
-
Part of Plant Used
-
Sap
Other Uses
-
Used to make a black varnish for use in woodworking
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
-
Botanical Name
Polemonium caeruleum
TOXICODENDRON vernix
Common Name
Jacob's Ladder
Poison Dogwood, Poison Elderberry, Poison Sumac, Swamp Sumac
In Hindi
Jacob's Ladder
toxicodendron vernix
In German
Jacob's Ladder
toxicodendron vernix
In French
Jacob's Ladder
TOXICODENDRON vernix
In Spanish
Jacob's Ladder
vérnix TOXICODENDRON
In Greek
Jacob's Ladder
Toxicodendron vernix
In Portuguese
Jacob's Ladder
TOXICODENDRON vernix
In Polish
Jacob's Ladder
toxicodendron vernix
In Latin
Jacob's Ladder
Natrum vernix
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Sapindales
Family
Polemoniaceae
Anacardiaceae
Genus
Polemonium
Toxicodendron
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
4035
1
27800
👆🏻