Life Span
Perennial
Annual and Perennial
Type
Broadleaf Evergreen
Grass
Origin
Europe, Russia
Africa
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Pennisetum glaucum
Habitat
Cold Regions, stream banks
Sunny Edge, Warmer regions
USDA Hardiness Zone
6-11
8-11
Sunset Zone
21,22
8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Upright/Erect
Flower Color
White, Light Pink
Brown, Purple, Purplish-black
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Orange Red
Brown, Cream
Leaf Color in Spring
Red, Green, Copper
Purple, Dark Green, Burgundy
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Green, Blue Green
Purple, Dark Green, Burgundy
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
-
Leaf Shape
Oval
Long Linear
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Very Fast
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Summer, Late Summer, Early Fall, Fall
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Root Division, Transplanting
Seedlings
Plant Maintenance
Low
Medium
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Requires regular watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Neutral, Alkaline
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Cut or pinch the stems, Remove dead leaves
Prune in winter, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
15-0-15, All-Purpose Liquid Fertilizer
Pests and Diseases
Aphids, Stem spot
Alternaria Leaf Spot, eyespot, Red blotch
Plant Tolerance
Shallow soil, Sun
Deer resistant, Drought
Flower Petal Number
Single
Single
Foliage Texture
Medium
Coarse
Invasive
Sometimes
Sometimes
Attracts
Ants, Butterflies, pollinators
Aphids, Bees, Birds
Allergy
Antibacterial, Peripheral Edema
-
Aesthetic Uses
Cottage Garden, Showy Purposes
along a porch, deck or patio, Beautification, Informal Hedge, Mixed Border, Showy Purposes, Wild gardens
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
Branch, Flowering Tips, Whole plant
Other Uses
Used for its medicinal properties
Beneficial species for attracting pollinators, repels deer
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Bedding Plant, Container, Cutflower, Dried Flower/Everlasting, Mixed Border
Botanical Name
Symphytum asperum
PENNISETUM glaucum 'purple millet'
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Millet, Pearl Millet
In Hindi
Blackwort
purple millet
In German
Blackwort
purple millet
In French
Blackwort
millet pourpre
In Spanish
Blackwort
purple millet
In Greek
Blackwort
purple millet
In Portuguese
Blackwort
purple millet
In Polish
Blackwort
purple millet
In Latin
Blackwort
purple millet
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Family
Boraginaceae
Poaceae
Genus
Symphytum
Pennisetum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Subfamily
Boraginoideae
Panicoideae
Season and Care of Comfrey and Purple Millet
Season and care of Comfrey and Purple Millet is important to know. While considering everything about Comfrey and Purple Millet Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Purple Millet season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Purple Millet is Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Purple Millet is Neutral, Alkaline.
Comfrey and Purple Millet Physical Information
Comfrey and Purple Millet physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Purple Millet height is 90.00 cm and width 30.50 cm. The color specification of Comfrey and Purple Millet are as follows:
Comfrey flower color: White and Light Pink
Comfrey leaf color: Red, Green and Copper
Purple Millet flower color: Brown, Purple and Purplish-black
- Purple Millet leaf color: Purple, Dark Green and Burgundy
Care of Comfrey and Purple Millet
Care of Comfrey and Purple Millet include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Purple Millet pruning is done Prune in winter, 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 Purple Millet needs Lots of watering and in winter, it needs Average Water.