Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Shrub
Origin
Europe, Russia
Southwestern United States, Mexico
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Yucca aloifolia 'Purpurea' , Yucca aloifolia
Number of Varieties
215
0
40000
👆🏻
Habitat
Cold Regions, stream banks
coastal environs, Coastal sand dunes, mild coastal areas
USDA Hardiness Zone
6-117-9
0
99
👆🏻
AHS Heat Zone
-
9-7
Sunset Zone
21,22
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
Rosette/Stemless
Plant Size
Minimum Height
20.00 cm-
0
3900
👆🏻
Minimum Width
90.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
White
Flower Color Modifier
Bicolor
-
Fruit Color
Orange Red
Brown
Leaf Color in Spring
Red, Green, Copper
Blue Green
Leaf Color in Summer
Green, Blue Green
Blue Green
Leaf Color in Fall
Green, Blue Green
Blue Green
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Blue Green
Shape
Leaf Shape
Oval
long with sharp edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Medium
Very Slow
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought, Salt
Where to Plant?
Container, Ground
Ground
How to Plant?
Root Division, Transplanting
Cuttings, Divison
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Keep the Soil well drained, Needs very little water
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, 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
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
Leaf spot, Scale
Plant Tolerance
Shallow soil, Sun
Drought, Salt
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
Medium
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Butterflies, pollinators
Butterflies
Allergy
Antibacterial, Peripheral Edema
-
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Borders, Cottage Garden, Wild gardens, Woodland margins
Beauty Benefits
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Fixes Nitrogen
Air purification
Plant Benefits
Medicinal Uses
Asthma, Diarrhea, Obesity, Osteoarthritis
-
Part of Plant Used
Leaves, Twigs
-
Other Uses
Used for its medicinal properties
Beneficial species for attracting pollinators
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Rock Garden, Wall, Wildflower
Botanical Name
Symphytum asperum
Yucca gloriosa
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
spanish dagger
In Hindi
Blackwort
Spanish Bayonet
In German
Blackwort
Spanish Bayonet
In French
Blackwort
Spanish bayonet
In Spanish
Blackwort
Spanish bayonet
In Greek
Blackwort
Spanish bayonet
In Portuguese
Blackwort
Spanish bayonet
In Polish
Blackwort
Spanish bayonet
In Latin
Blackwort
Spanish bayonet
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Lamiales
Liliales
Family
Boraginaceae
Agavaceae
Genus
Symphytum
Yucca
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
-
Subfamily
Boraginoideae
Agavoideae
Number of Species
3530
1
27800
👆🏻