Life Span
Perennial
Annual or Biennial
Type
Broadleaf Evergreen
Vegetable
Origin
Europe, Russia
Western Europe
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Habitat
Cold Regions, stream banks
agricultural areas, gardens, Wet ground
USDA Hardiness Zone
6-11
1-6
Sunset Zone
21,22
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 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
Upright/Erect
Flower Color
White, Light Pink
-
Flower Color Modifier
Bicolor
Bicolor
Leaf Color in Spring
Red, Green, Copper
Green, Light Green
Leaf Color in Summer
Green, Blue Green
Green, Purple
Leaf Color in Fall
Green, Blue Green
Green, Purple
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Green, Purple
Plant Season
Spring, Summer, Fall, Winter
-
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
-
Where to Plant?
Container, Ground
Container, Ground
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
Keep ground moist, Use Mulches to help prevent water loss during hot and windy weather
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral
Neutral
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Remove dead leaves
No pruning needed in the early stages, Remove dead leaves
Fertilizers
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
organic fertlizers, Potassium
Pests and Diseases
Aphids, Stem spot
Alternaria Leaf Spot, Aphids, Cabbage looper, Downy mildew, Leaf spot, Mites, Red blotch
Plant Tolerance
Shallow soil, Sun
Frost, Shallow soil
Flower Petal Number
Single
Single
Fragrant Bark/Stem
No
Yes
Foliage Texture
Medium
Bold
Foliage Sheen
Glossy
Matte
Attracts
Ants, Butterflies, pollinators
Aphids, Beetles, Flying insects
Allergy
Antibacterial, Peripheral Edema
Digestive Problems, sneezing, Swelling in the face
Aesthetic Uses
Cottage Garden, Showy Purposes
-
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
For treating wrinkles, Weightloss
Environmental Uses
Air purification, Fixes Nitrogen
Food for animals, No fertilizer, pesticides, or herbicides needed
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
Anemia, Diabetes, Digestion problems, Increase fiber amount, Kidney Stones, Minerals, Weight loss
Part of Plant Used
Leaves, Twigs
Leaves, Stem
Other Uses
Used for its medicinal properties
Can be made into a herbal tea, Used As Food, Used for its medicinal properties
Used As Indoor Plant
No
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Edible, Herb / Vegetable
Botanical Name
Symphytum asperum
BRASSICA oleracea 'Dyna'( Gongylodes Group)
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Kohlrabi
In Hindi
Blackwort
नवलकोल
In German
Blackwort
Kohlrabi
In French
Blackwort
Chou-rave
In Spanish
Blackwort
Brassica oleracea gongyloides
In Greek
Blackwort
Kohlrabi
In Portuguese
Blackwort
Kohlrabi
In Polish
Blackwort
Kalarepa
In Latin
Blackwort
Kohlrabi
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Capparales
Family
Boraginaceae
Brassicaceae
Clade
Angiosperms, Eudicots, Rosids
-
Subfamily
Boraginoideae
-
Season and Care of Comfrey and Kohlrabi
Season and care of Comfrey and Kohlrabi is important to know. While considering everything about Comfrey and Kohlrabi Care, growing season is an essential factor. Comfrey season is Spring, Summer, Fall and Winter and Kohlrabi season is Spring, Summer, Fall and Winter. The type of soil for Comfrey is Loam, Sand and for Kohlrabi is Loam, Sand while the PH of soil for Comfrey is Acidic, Neutral and for Kohlrabi is Neutral.
Comfrey and Kohlrabi Physical Information
Comfrey and Kohlrabi physical information is very important for comparison. Comfrey height is 20.00 cm and width 90.00 cm whereas Kohlrabi height is 30.50 cm and width 30.00 cm. The color specification of Comfrey and Kohlrabi are as follows:
Care of Comfrey and Kohlrabi
Care of Comfrey and Kohlrabi include pruning, fertilizers, watering etc. Comfrey pruning is done Cut or pinch the stems and Remove dead leaves and Kohlrabi pruning is done No pruning needed in the early stages and Remove dead leaves. In summer Comfrey needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Kohlrabi needs Lots of watering and in winter, it needs Average Water.