Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
North America, United States, Southwestern United States, Texas, Mexico
Europe, Russia
Types
Foxtail muhly, Devils Canyon muhly, alkali muhly
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
22
0
40000
👆🏻
Habitat
High elevation, Hillside, Slopes
Cold Regions, stream banks
USDA Hardiness Zone
7-106-11
0
99
👆🏻
AHS Heat Zone
12 - 7
-
Sunset Zone
-
21,22
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
45.72 cm20.00 cm
0
3900
👆🏻
Minimum Width
60.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Purple, White
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, White
Orange Red
Leaf Color in Spring
Light Green, Blue 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
Blue Green, Gray Green, 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
Medium
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Fall, Fall
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Divison, Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Needs less watering, Water every 3 weeks until the root ball is wet
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, 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
Grass Cuttting and pruning up to 5cm, Prune in early spring, Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, EDTA iron
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Red blotch
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
Fine
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies
Ants, Butterflies, pollinators
Allergy
Pollen
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, soil erosion prevension on hill slopes, Wildlife
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
-
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, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
MUHLENBERGIA emersleyi
Symphytum asperum
Common Name
Bull Grass
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Bull Grass
Blackwort
In German
Bull Grass
Blackwort
In French
Bull Herbe
Blackwort
In Spanish
Bull Hierba
Blackwort
In Greek
Δελτίο Grass
Blackwort
In Portuguese
touro grama
Blackwort
In Polish
Bull Trawa
Blackwort
In Latin
Bull Grass
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Cyperales
Lamiales
Family
Poaceae
Boraginaceae
Genus
Muhlenbergia
Symphytum
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Eragrostideae
-
Subfamily
Chloridoideae
Boraginoideae
Number of Species
18035
1
27800
👆🏻