Life Span
Perennial
Perennial
Type
Fern
Broadleaf Evergreen
Origin
World, Pandemic
Europe, Russia
Types
Osmunda regalis var. regalis.
Osmunda regalis var. panigrahiana
Osmunda regalis var. brasiliensis
Osmunda regalis var. spectabilis
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
42
0
40000
👆🏻
Habitat
Broad-Leaved Forests, Grassland, Mountains, Roadsides, Shaded sites, Tropical regions
Cold Regions, stream banks
USDA Hardiness Zone
-99996-11
0
99
👆🏻
AHS Heat Zone
-
-
Sunset Zone
3, 4, 5, 6, 7, 8, 9
21,22
Habit
Spreading
Upright/Erect
Plant Size
Minimum Height
60.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
-
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Orange Red
Leaf Color in Spring
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
Lance shaped
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
-
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Spores
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Keep the ground moist but not water-logged, Requires regular watering, Water Deeply, Water when soil is dry
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
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
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
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
Fine
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
Sometimes
Sometimes
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Ants, Butterflies, pollinators
Allergy
Skin irritation
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
Whole plant
Leaves, Twigs
Other Uses
Culinary use
Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edging, Groundcover, Mixed Border, Water Gardens
Container, Feature Plant, Foundation, Groundcover, Hedges, Mixed Border, Tropical
Botanical Name
OSMUNDA
Symphytum asperum
Common Name
Royal Fern
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
Osmunda
Blackwort
In German
Osmunda
Blackwort
In French
Osmunda
Blackwort
In Spanish
Osmunda
Blackwort
In Greek
Osmunda
Blackwort
In Portuguese
Osmunda
Blackwort
In Polish
Osmunda
Blackwort
In Latin
Osmunda
Blackwort
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Polypodiopsida
Magnoliopsida
Order
Osmundales
Lamiales
Family
Osmundaceae
Boraginaceae
Genus
Osmunda
Symphytum
Clade
Angiosperms
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Noctuinae
Boraginoideae
Number of Species
1235
1
27800
👆🏻