Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
Africa, Middle Africa, Southern Africa, Madagascar
Europe, Russia
Types
-
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
-2
0
40000
👆🏻
Habitat
Grassland, Sandy areas
Cold Regions, stream banks
USDA Hardiness Zone
8-116-11
0
99
👆🏻
AHS Heat Zone
12 - 8
-
Sunset Zone
H1, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Cushion/Mound-forming
Upright/Erect
Plant Size
Minimum Height
15.20 cm20.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Burgundy, Pink, Rose
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Light Pink, Tan, White
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
Purple, Gray Green
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Grass like
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Summer, Late Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Cuttings, Rooted stem cutting
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Needs less 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
Acidic, Neutral
Acidic, Neutral
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
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
All-Purpose Liquid Fertilizer, Apply N-P-K
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Red blotch
Aphids, Stem spot
Plant Tolerance
Drought, Shade areas
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
-
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Bog Garden, 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
-
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
-
Leaves, Twigs
Other Uses
-
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Dried Flower / Everlasting, Bedding Plant, Cutflower, Edging, Mixed Border, Tropical
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
MELINIS nerviglumis
Symphytum asperum
Common Name
Ruby Grass, Zizka
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Zizka
Blackwort
In German
Zizka
Blackwort
In French
Zizka
Blackwort
In Spanish
Zizka
Blackwort
In Greek
Zizka
Blackwort
In Portuguese
Zizka
Blackwort
In Polish
Zizka
Blackwort
In Latin
Žižka
Blackwort
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Poales
Lamiales
Family
Poaceae
Boraginaceae
Genus
Melinis
Symphytum
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Paniceae
-
Subfamily
Panicoideae
Boraginoideae
Number of Species
2235
1
27800
👆🏻