Life Span
Annual
Perennial
Type
Flowering Plants, Shrubs
Broadleaf Evergreen
Origin
America
Europe, Russia
Types
Lobelia aberdarica, Lobelia leschenaultiana, Lobelia canbyi
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
4152
0
40000
👆🏻
Habitat
Open areas, River side, Woods
Cold Regions, stream banks
USDA Hardiness Zone
4-96-11
0
99
👆🏻
AHS Heat Zone
8-1
-
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
Cushion/Mound-forming
Upright/Erect
Plant Size
Minimum Height
0.54 cm20.00 cm
0
3900
👆🏻
Minimum Width
0.38 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Red, Violet, White
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
Dark Green
Red, Green, Copper
Leaf Color in Summer
Green
Green, Blue Green
Leaf Color in Fall
Green
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Cushion
Oval
Thorns
✔
✘
✔
✘
Plant Season
Fall, Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Well drained
Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Fall, Early Summer, Late Summer, Mid fall, Mid Spring
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Seedlings
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Form a Soil ring to water efficiently, Prefer drip-irrigation instead of Over-head watering, Requires watering in the growing season, Use Mulches to help prevent water loss during hot and windy weather, Water twice a day in the initial period
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
Acidic
Acidic, Neutral
Soil Type
Well drained
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Prune after flowering, Prune to control growth, Remove dead or diseased plant parts, Remove deadheads
Cut or pinch the stems, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Botrytis Blight, Crown rot, Pythium rot, Stem spot
Aphids, Stem spot
Plant Tolerance
Drought
Shallow soil, Sun
Flowers
✔
✘
✔
✘
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
Fine
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Hummingbirds
Ants, Butterflies, pollinators
Allergy
coma, convulsions, Diarrhea, exhaustion, Nausea, salivation, Vomiting, weakness
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
Cottage Garden, Showy Purposes
Beauty Benefits
-
Acne, Beautiful Skin, Reduce Bruises, Remove blemishes
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Fixes Nitrogen
Plant Benefits
Medicinal Uses
Asthma, Bronchitis, Croup
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves, Seeds
Leaves, Twigs
Other Uses
Showy Purposes
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Bog Garden, Edging, Foundation, Hanging Basket, Houseplant, Mixed Border, Rock Garden / Wall
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
Lobelia laxiflora
Symphytum asperum
Common Name
Lobelia
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Lobelia
Blackwort
In German
Lobelie
Blackwort
In French
Lobelia
Blackwort
In Spanish
Lobelia
Blackwort
In Greek
λοβηλία
Blackwort
In Portuguese
Lobélia
Blackwort
In Polish
Lobelia
Blackwort
In Latin
Lobelia
Blackwort
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Dicotyledonae
Magnoliopsida
Order
Asterales
Lamiales
Family
Campanulaceae
Boraginaceae
Genus
Lobelia
Symphytum
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Lobelioideae
Boraginoideae
Number of Species
41535
1
27800
👆🏻