Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
-
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
-
-
Number of Varieties
503
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
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
1a, 1b, 2a, 2b, 3a, 3b, 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
Oval or Rounded
Plant Size
Minimum Height
20.30 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
27.90 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
Yellow, Brown
Flower Color Modifier
-
Bicolor
Fruit Color
-
Black
Leaf Color in Spring
Green, Purple
Green, Light Green
Leaf Color in Summer
Green, Purple
Green, Light Green
Leaf Color in Fall
Green, Purple
Yellow, Light Yellow, Tan
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Fast
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
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
Requires a lot of watering, 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
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Fertilizers
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
All-Purpose Liquid Fertilizer, No need to fertilize every year
Pests and Diseases
Red blotch
Aphids, Red blotch, Sawfly Larvae
Plant Tolerance
Drought
Pollution, Soil Compaction, Wet Site
Flowers
Showy
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
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
-
Allergy
-
Asthma
Uses
Aesthetic Uses
Beautification, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Erosion control, Wildlife
Plant Benefits
Medicinal Uses
Black Dyes
-
Part of Plant Used
-
Whole plant
Other Uses
-
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees
Botanical Name
Polemonium caeruleum
BETULA nigra
Common Name
Jacob's Ladder
River Birch
In Hindi
Jacob's Ladder
River Birch
In German
Jacob's Ladder
Fluss Birch
In French
Jacob's Ladder
Birch river
In Spanish
Jacob's Ladder
river Birch
In Greek
Jacob's Ladder
ποταμός Birch
In Portuguese
Jacob's Ladder
river Birch
In Polish
Jacob's Ladder
Rzeka Birch
In Latin
Jacob's Ladder
Betula
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Fagales
Family
Polemoniaceae
Betulaceae
Genus
Polemonium
Betula
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
403
1
27800
👆🏻