Life Span
Perennial
Perennial
Type
Flowering Plants
Broadleaf Evergreen
Origin
Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, Texas, Canada
Europe, Russia
Types
Blue Moon, Clouds of Perfume
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
22
0
40000
👆🏻
Habitat
Rich Woods
Cold Regions, stream banks
USDA Hardiness Zone
4-86-11
0
99
👆🏻
AHS Heat Zone
8-1
-
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
21,22
Habit
Mat-forming
Upright/Erect
Plant Size
Minimum Height
30.50 cm20.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
Green
Red, Green, Copper
Leaf Color in Summer
Green
Green, Blue Green
Leaf Color in Fall
Green
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Ovate-lanceolate
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam
Loam, Sand
The pH of Soil
Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container
Container, Ground
How to Plant?
Cuttings, Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Requires regular watering
Allow to dry out slightly between watering, Water daily during growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral
Acidic, Neutral
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove dead flowers
Cut or pinch the stems, Remove dead leaves
Fertilizers
Apply 10-10-10 amount
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Leaf spot, Powdery mildew, Rust
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
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
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Ants, Butterflies, pollinators
Allergy
Mild Allergen
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Ground Cover
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
Boils, Eczema, Intestinal disorders
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Flowers, Leaves, Root
Leaves, Twigs
Other Uses
As a tea substitute, Used as eyewash
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Mixed Border, Rock Garden / Wall, Wildflower
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
PHLOX divaricata 'Blue Moon'
Symphytum asperum
Common Name
Wild Blue Phlox, Woodland Phlox
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Wild Blue Phlox
Blackwort
In German
Wild Blue Phlox
Blackwort
In French
Wild Blue Phlox
Blackwort
In Spanish
Wild Blue Phlox
Blackwort
In Greek
Άγρια μπλε Phlox
Blackwort
In Portuguese
Wild Blue Phlox
Blackwort
In Polish
Dziki Niebieski Phlox
Blackwort
In Latin
Phlox ferae blue
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Solanales
Lamiales
Family
Polemoniaceae
Boraginaceae
Genus
Phlox
Symphytum
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Phlocideae
-
Subfamily
Polemonioideae
Boraginoideae
Number of Species
235
1
27800
👆🏻