Life Span
Perennial
Perennial
Type
Perennial
Vegetable
Origin
-
Europe, Mediterranean, Northern Africa, Western Asia
Types
-
red radicchio, bicolored radicchio, (green radicchio
Number of Varieties
502
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
Mediterranean region
USDA Hardiness Zone
4-88-12
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, H1, H2, 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
Clump-Forming
Plant Size
Minimum Height
20.30 cm61.00 cm
0
3900
👆🏻
Minimum Width
27.90 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
Sky Blue
Flower Color Modifier
-
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green, Purple
Green
Leaf Color in Summer
Green, Purple
Green
Leaf Color in Fall
Green, Purple
Green
Leaf Color in Winter
Light Green
Green
Shape
Leaf Shape
Linear
Lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
Early Summer, Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground
Container, 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, 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, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun
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
Aphids, Bacteria, Damping-off, Darkling beetles, Downy mildew, fungus, Red blotch
Plant Tolerance
Drought
Drought
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
Aphids, Beetles
Allergy
-
Food Allergy
Uses
Aesthetic Uses
Beautification, Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Black Dyes
Antioxidants, Digestion problems, Vitamin K, Weight loss
Part of Plant Used
-
Leaves
Other Uses
-
Used as a nutritious food item, Used As Food, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Container, Edible, Herb / Vegetable, Mixed Border
Botanical Name
Polemonium caeruleum
CICHORIUM intybus
Common Name
Jacob's Ladder
Radicchio, Wild Chicory
In Hindi
Jacob's Ladder
Radicchio
In German
Jacob's Ladder
Radicchio
In French
Jacob's Ladder
Radicchio
In Spanish
Jacob's Ladder
achicoria
In Greek
Jacob's Ladder
ραντίτσιο
In Portuguese
Jacob's Ladder
radicchio
In Polish
Jacob's Ladder
radicchio
In Latin
Jacob's Ladder
Radicchio
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Ericales
Asterales
Family
Polemoniaceae
Asteraceae
Genus
Polemonium
Cichorium
Clade
Angiosperms, Asterids, Eudicots
-
Tribe
-
-
Subfamily
-
-
Number of Species
401
1
27800
👆🏻