Life Span
Perennial
Perennial
Type
Fern
Broadleaf Evergreen
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States
Europe, Russia
Types
Osmunda regalis var. regalis, Osmunda regalis var. panigrahiana, Osmunda spectabilis
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
42
0
40000
👆🏻
Habitat
Banks, Boggy areas, stream banks, Woodlands
Cold Regions, stream banks
USDA Hardiness Zone
2-96-11
0
99
👆🏻
AHS Heat Zone
8-1
-
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
21,22
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
60.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
90.00 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
Pinnate
Oval
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial shade, 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
Summer
Late Spring, Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
-
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
From Rhizomes
Root Division, Transplanting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Do not let dry out between waterings, Keep ground moist
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 shade, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches
Cut or pinch the stems, Remove dead leaves
Fertilizers
Doesn't require fertilization when grown in rich soil
14-14-14 Fertilizer, All-Purpose Liquid Fertilizer, can go long without fertilizers
Pests and Diseases
Healthy tree, Red blotch
Aphids, Stem spot
Plant Tolerance
Wet Site
Shallow soil, Sun
Flowers
-
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
-
Ants, Butterflies, pollinators
Allergy
Skin rash
Antibacterial, Peripheral Edema
Uses
Aesthetic Uses
Ground Cover, 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
Bone disorders, Bone strength, Jaundice
Asthma, Diarrhea, Obesity, Osteoarthritis
Part of Plant Used
Leaves
Leaves, Twigs
Other Uses
Used as Ornamental plant, Used for its medicinal properties
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 regalis var spectabilis
Symphytum asperum
Common Name
Royal Fern
Comfrey,Black Root, Blackwort, Bruisewort
In Hindi
रॉयल फर्न
Blackwort
In German
Königs Fern
Blackwort
In French
Fougère royale
Blackwort
In Spanish
Real helecho
Blackwort
In Greek
Royal Fern
Blackwort
In Portuguese
Real Fern
Blackwort
In Polish
Królewski paproci
Blackwort
In Latin
Fern
Blackwort
Kingdom
Plantae
Plantae
Phylum
Pteridophyta
Magnoliophyta
Class
Filicopsida
Magnoliopsida
Order
Polypodiales
Lamiales
Family
Osmundaceae
Boraginaceae
Genus
Osmunda
Symphytum
Clade
-
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
Boraginoideae
Number of Species
1035
1
27800
👆🏻