Life Span
Annual
Perennial
Type
Vegetable
Broadleaf Evergreen
Origin
Central America, Mexico, North America
Europe, Russia
Types
Neck, Really Big Hybrid, Waltham
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
52
0
40000
👆🏻
Habitat
Cultivated Beds
Cold Regions, stream banks
USDA Hardiness Zone
9-116-11
0
99
👆🏻
AHS Heat Zone
12-1
-
Sunset Zone
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
21,22
Habit
Prostrate/Trailing
Upright/Erect
Plant Size
Minimum Height
7.62 cm20.00 cm
0
3900
👆🏻
Minimum Width
50.80 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Gold
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Peach, Tan
Orange Red
Leaf Color in Spring
Green, Dark Green
Red, Green, Copper
Leaf Color in Summer
Green, Dark Green
Green, Blue Green
Leaf Color in Fall
Green, Dark Green, Yellow green
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Heart-shaped
Oval
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Very Fast
Medium
Type of Soil
Loam
Loam, Sand
The pH of Soil
Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Summer, Indeterminate
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Prefer drip-irrigation instead of Over-head watering, Requires regular 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
Neutral
Acidic, Neutral
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Cut out old flower stalks, Prune after flowering, Remove dead or diseased plant parts, Remove the old foliage
Cut or pinch the stems, Remove dead leaves
Fertilizers
Apply 10-10-10 amount, Balanced organic fertilizer, iron-rich fertilizer, Nitrogen, Phosphate
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Bacteria wilt, Bacterial leaf spot, Blight, Cucumber beetles, Cutworms, Dry root rot, Fusarium leaf spot, Soft scales
Aphids, Stem spot
Plant Tolerance
Full Sun, Shade areas, Shallow soil
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
Coarse
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Bees
Ants, Butterflies, pollinators
Allergy
Dermatitis
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
-
Cottage Garden, Showy Purposes
Beauty Benefits
Glowing Skin, Good for skin and hair
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
Antiasthamatic, anti-cancer, Cardiovascular problems, cholesterol-lowering, constipation, Diabetes, Fiber, High blood pressure, High cholestrol, Immunity, Manganese, Obesity, Vitamin A, Vitamin C, Vitamin E
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Flowers, Fruits, Leaves, Seeds
Leaves, Twigs
Other Uses
For making oil, Used As Food
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Herb / Vegetable, Vine
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
CUCURBITA pepo 'White Crown of Thorns'
Symphytum asperum
Common Name
Winter Squash
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
कोंहड़ा
Blackwort
In German
Winter squash
Blackwort
In French
courges d'hiver
Blackwort
In Spanish
calabaza de invierno
Blackwort
In Greek
σκουός χειμώνα
Blackwort
In Portuguese
abóbora
Blackwort
In Polish
dynia
Blackwort
In Latin
cucurbita
Blackwort
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Violales
Lamiales
Family
Cucurbitaceae
Boraginaceae
Genus
Cucurbita
Symphytum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Papilionoideae
Boraginoideae
Number of Species
2735
1
27800
👆🏻