Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
World/Pandemic, North America, Europe
Europe, Russia
Types
Alene, Barblue, Caliber, Canterbury
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
2002
0
40000
👆🏻
Habitat
Cultivated Beds, Lawn, meadows
Cold Regions, stream banks
USDA Hardiness Zone
3-106-11
0
99
👆🏻
AHS Heat Zone
8 - 1
-
Sunset Zone
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Mat-forming
Upright/Erect
Plant Size
Minimum Height
30.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Purplish Green
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
Green, Blue Green, Gray Green
Red, Green, Copper
Leaf Color in Summer
Light Green
Green, Blue Green
Leaf Color in Fall
Green, Blue Green, Gray Green
Green, Blue Green
Leaf Color in Winter
Green, Blue Green
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Narrowly linear
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Sod
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Water frequently while growing
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
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
Nitrogen
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Dollar spot, Rust, Summer Patch
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
Flowers
Insignificant
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
Fine
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Ants, Butterflies, pollinators
Allergy
Cough, Itchy eyes, Runny nose
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
Erosion control
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves
Leaves, Twigs
Other Uses
Used in lawns and turf
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Lawns and Turf
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
POA pratensis
Symphytum asperum
Common Name
Kentucky Bluegrass
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Kentucky Bluegrass
Blackwort
In German
Kentucky Bluegrass
Blackwort
In French
Kentucky Bluegrass
Blackwort
In Spanish
Pasto azul de Kentucky
Blackwort
In Greek
Κεντάκυ Bluegrass
Blackwort
In Portuguese
Kentucky Bluegrass
Blackwort
In Polish
Wiechlina
Blackwort
In Latin
Kentucky Bluegrass
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Cyperales
Lamiales
Family
Poaceae
Boraginaceae
Genus
Poa
Symphytum
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Poeae
-
Subfamily
Pooideae
Boraginoideae
Number of Species
235
1
27800
👆🏻