Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
Europe, Western Asia
Europe, Russia
Types
Blue Dune Lyme Grass
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
72
0
40000
👆🏻
Habitat
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
Cold Regions, stream banks
USDA Hardiness Zone
7-96-11
0
99
👆🏻
AHS Heat Zone
9 - 7
-
Sunset Zone
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Spreading
Upright/Erect
Plant Size
Minimum Height
150.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
75.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Creamy Yellow
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
Blue Green, Gray Green
Red, Green, Copper
Leaf Color in Summer
Light Green
Green, Blue Green
Leaf Color in Fall
Blue Green, Gray Green
Green, Blue Green
Leaf Color in Winter
Tan
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Grass like
Oval
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
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, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Drought, Soil Compaction
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Root Division, Rooted stem cutting, Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs, occasional watering once established
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, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
No pruning needed in the early stages, Prune grass to maintain level
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, fertilize in spring
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Red blotch
Aphids, Stem spot
Plant Tolerance
Drought, Pollution, Soil Compaction, Wet Site
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
Coarse
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Ants, Butterflies, pollinators
Allergy
Pollen
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Ground Cover, Landscape Designing
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Stem
Leaves, Twigs
Other Uses
Used as Ornamental plant
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Dried Flower/Everlasting, Groundcover
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
ELYMUS glaucus
Symphytum asperum
Common Name
Blue Lyme Grass, Blue Wildrye
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Blue Lyme Grass
Blackwort
In German
Blau Lyme Grass
Blackwort
In French
Bleu Lyme Herbe
Blackwort
In Spanish
Azul hierba de Lyme
Blackwort
In Greek
Μπλε Lyme Grass
Blackwort
In Portuguese
Azul Lyme grama
Blackwort
In Polish
Niebieska Trawa Lyme
Blackwort
In Latin
Blue Lyme Grass
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Cyperales
Lamiales
Family
Poaceae
Boraginaceae
Genus
Elymus
Symphytum
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Triticeae
-
Subfamily
Pooideae
Boraginoideae
Number of Species
235
1
27800
👆🏻