Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Flowering Plants
Origin
Europe, Russia
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Texas, Canada
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Blue Moon, Clouds of Perfume
Number of Varieties
22
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Rich Woods
USDA Hardiness Zone
6-114-8
0
99
👆🏻
AHS Heat Zone
-
8-1
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
Habit
Upright/Erect
Mat-forming
Plant Size
Minimum Height
20.00 cm30.50 cm
0
3900
👆🏻
Minimum Width
90.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
-
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green, Blue Green
Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Shape
Leaf Shape
Oval
Ovate-lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade
Growth Rate
Medium
Fast
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground
Container
How to Plant?
Root Division, Transplanting
Cuttings, Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
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
Neutral
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Remove dead leaves
Remove dead flowers
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Apply 10-10-10 amount
Pests and Diseases
Aphids, Stem spot
Leaf spot, Powdery mildew, Rust
Plant Tolerance
Shallow soil, Sun
Drought
Flowers
Showy
Showy
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
Medium
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Hummingbirds, Butterflies
Allergy
Antibacterial, Peripheral Edema
Mild Allergen
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Ground Cover
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Boils, Eczema, Intestinal disorders
Part of Plant Used
Leaves, Twigs
Flowers, Leaves, Root
Other Uses
Used for its medicinal properties
As a tea substitute, Used as eyewash
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
Symphytum asperum
PHLOX divaricata 'Blue Moon'
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Wild Blue Phlox, Woodland Phlox
In Hindi
Blackwort
Wild Blue Phlox
In German
Blackwort
Wild Blue Phlox
In French
Blackwort
Wild Blue Phlox
In Spanish
Blackwort
Wild Blue Phlox
In Greek
Blackwort
Άγρια μπλε Phlox
In Portuguese
Blackwort
Wild Blue Phlox
In Polish
Blackwort
Dziki Niebieski Phlox
In Latin
Blackwort
Phlox ferae blue
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Solanales
Family
Boraginaceae
Polemoniaceae
Genus
Symphytum
Phlox
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Phlocideae
Subfamily
Boraginoideae
Polemonioideae
Number of Species
352
1
27800
👆🏻