Life Span
Annual and Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
South America, Brazil
Europe, Russia
Types
Rosea, Chrysotricha, Impetiginosa, Avellanedae
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
252
0
40000
👆🏻
Habitat
Dry areas, Forest edges
Cold Regions, stream banks
USDA Hardiness Zone
9-126-11
0
99
👆🏻
AHS Heat Zone
12-8
-
Sunset Zone
H1, 13, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
1,220.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
1,070.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Lemon yellow
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sandy Brown
Orange Red
Leaf Color in Spring
Green, Light Green
Red, Green, Copper
Leaf Color in Summer
Green, Gray Green
Green, Blue Green
Leaf Color in Fall
Green, Gray Green
Green, Blue Green
Leaf Color in Winter
-
Red, Dark Green, Burgundy, Bronze
Shape
Leaf Shape
Oblong
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Late Winter
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings, Seperation, Vegetative Reproduction
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Keep the ground moist but not water-logged, Requires watering in the growing season, Water more in summer, Water occasionally
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, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Cut leaves after fall, Pinch or prune as they grow to promote branching and bushiness, Prune before Winter, Prune when plant is dormant, Remove dead leaves, 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
Pests and diseases free, Red blotch
Aphids, Stem spot
Plant Tolerance
Drought
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
Medium
Medium
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Ants, Butterflies, pollinators
Allergy
-
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Showy Purposes
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, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves, Wood
Leaves, Twigs
Other Uses
Wood is used for making furniture, Wood is used in construction
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees, Tropical
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
HANDROANTHUS billbergii
Symphytum asperum
Common Name
Guayacán, Tabebuia
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Tabebuia
Blackwort
In German
Tabebuia
Blackwort
In French
Tabebuia
Blackwort
In Spanish
Tabebuia
Blackwort
In Greek
Tabebuia
Blackwort
In Portuguese
Tabebuia
Blackwort
In Polish
Tabebuia
Blackwort
In Latin
Tabebuia
Blackwort
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
-
Magnoliopsida
Order
Lamiales
Lamiales
Family
Bignoniaceae
Boraginaceae
Genus
Tabebuia
Symphytum
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Boraginoideae
Number of Species
6735
1
27800
👆🏻