Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Succulent
Origin
Europe, Russia
California
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Ulva lactuca, Ulva intestinalis
Number of Varieties
23
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Coastal Regions, shores
USDA Hardiness Zone
6-1110-11
0
99
👆🏻
AHS Heat Zone
-
12-1
Sunset Zone
21,22
9, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Rosette/Stemless
Plant Size
Minimum Height
20.00 cm15.20 cm
0
3900
👆🏻
Minimum Width
90.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Yellow, Red
Flower Color Modifier
Bicolor
-
Fruit Color
Orange Red
-
Leaf Color in Spring
Red, Green, Copper
Gray Green, Yellow green, Gray
Leaf Color in Summer
Green, Blue Green
Gray Green, Yellow green, Gray
Leaf Color in Fall
Green, Blue Green
Gray Green, Yellow green, Gray
Leaf Color in Winter
Red, Dark Green, Burgundy, Bronze
Gray Green, Yellow green, Gray
Shape
Leaf Shape
Oval
Cone shaped to oblong
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
Medium
Type of Soil
Loam, Sand
Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground
Container, Ground
How to Plant?
Root Division, Transplanting
Leaf Cutting, Seedlings, Stem Cutting
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Water daily during growing season
Water slowly, and allow to dry completely between soakings
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
Soil Type
Loam, Sand
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
Fertilzer with low nitrogen content
Pests and Diseases
Aphids, Stem spot
Fungal Diseases, Root rot
Plant Tolerance
Shallow soil, Sun
Drought
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
Hummingbirds, Butterflies
Allergy
Antibacterial, Peripheral Edema
Mild Allergen
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
-
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
Bone strength, Rich in Iron, Rich in protein
Part of Plant Used
Leaves, Twigs
Leaves
Other Uses
Used for its medicinal properties
Used in salads, Used to flavour soups
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Container, Houseplant, Mixed Border, Rock Garden, Wall
Botanical Name
Symphytum asperum
DUDLEYA caespitosa
Common Name
Comfrey,Black Root, Blackwort, Bruisewort
Sealettuce, Sand lettuce, Coast dudleya
In Hindi
Blackwort
Sea Lettuce
In German
Blackwort
Meersalat
In French
Blackwort
La laitue de mer
In Spanish
Blackwort
lechuga de mar
In Greek
Blackwort
θάλασσα Μαρούλι
In Portuguese
Blackwort
alface mar
In Polish
Blackwort
Sea sałata
In Latin
Blackwort
Lactuca mare
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Lamiales
Rosales
Family
Boraginaceae
Crassulaceae
Genus
Symphytum
Dudleya
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Core eudicots, Eudicots
Tribe
-
Sedeae
Subfamily
Boraginoideae
Sedoideae
Number of Species
3550
1
27800
👆🏻