Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Grass
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Not Avaialble
Habitat
Cold Regions, stream banks
Lake Sides, savannahs
USDA Hardiness Zone
6-11
5-9
Sunset Zone
21,22
1a, 1b, 2a, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Flower Color
White, Light Pink
-
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Red, Green, Copper
Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Green, Blue Green
Green, Purple, Burgundy, Bronze
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Leaf Shape
Oval
Grass like
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer, Summer
Early Summer, Summer, Late Summer, Early Fall
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Rhizome division
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Average Water Needs, Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
-
Plant Tolerance
Shallow soil, Sun
Drought
Flower Petal Number
Single
Single
Foliage Texture
Medium
Coarse
Foliage Sheen
Glossy
Glossy
Attracts
Ants, Butterflies, pollinators
Crickets
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
bank hedging, Mixed Border, Showy Purposes
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
Whole plant
Other Uses
Used for its medicinal properties
Screen, Used as Biofuel, Used for making hedge
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Hedges, Mixed Border, Screening / Wind Break
Botanical Name
Symphytum asperum
MISCANTHUS Giganteus
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Giant Silvergrass
In Hindi
Blackwort
Giant Silvergrass
In German
Blackwort
Riesenschilf
In French
Blackwort
géant silvergrass
In Spanish
Blackwort
Giant Silvergrass
In Greek
Blackwort
Giant Silvergrass
In Portuguese
Blackwort
Silvergrass gigante
In Polish
Blackwort
Giant Silvergrass
In Latin
Blackwort
Giant Silvergrass
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Lilopsida
Family
Boraginaceae
Poaceae
Genus
Symphytum
Miscanthus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Subfamily
Boraginoideae
Panicoideae
Season and Care of Comfrey and Giant Silvergrass
Season and care of Comfrey and Giant Silvergrass is important to know. While considering everything about Comfrey and Giant Silvergrass Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Giant Silvergrass season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Giant Silvergrass is Clay, Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Giant Silvergrass is Acidic, Neutral.
Comfrey and Giant Silvergrass Physical Information
Comfrey and Giant Silvergrass physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Giant Silvergrass height is 240.00 cm and width 120.00 cm. The color specification of Comfrey and Giant Silvergrass are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Giant Silvergrass flower color:
- Giant Silvergrass leaf color: Green
Care of Comfrey and Giant Silvergrass
Care of Comfrey and Giant Silvergrass include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Giant Silvergrass pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Giant Silvergrass needs Lots of watering and in winter, it needs Average Water.