Life Span
Perennial
Perennial
Type
Herbs, Perennial
Fern
Origin
South-Eastern Asia
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States
Types
-
Osmunda regalis var. regalis, Osmunda regalis var. panigrahiana, Osmunda spectabilis
Number of Varieties
204
0
40000
👆🏻
Habitat
Semi desert, Wet forest
Banks, Boggy areas, stream banks, Woodlands
USDA Hardiness Zone
9-112-9
0
99
👆🏻
AHS Heat Zone
12 - 9
8-1
Sunset Zone
-
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
460.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
20.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Dark Green
Green
Leaf Color in Summer
Green, Light Green
Green
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
Dark Green
-
Shape
Leaf Shape
Elliptic
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Partial shade, Partial Sun
Growth Rate
Very Fast
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic
Soil Drainage
Average
Average
Bloom Time
Indeterminate
Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
Wet Site
Where to Plant?
Container, Ground
Container, Ground, Pot
How to Plant?
Stem Cutting
From Rhizomes
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs good drainage
Do not let dry out between waterings, Keep ground moist
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
Soil Type
Clay, Loam, Sand
Clay, Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Partial shade, Partial Sun
Pruning
Cut away fading foliage, Cut upper 1/3 section when young to enhancegrowth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches
Fertilizers
All-Purpose Liquid Fertilizer, Don't use high pH fertilizers
Doesn't require fertilization when grown in rich soil
Pests and Diseases
Aphids, Downy mildew, Dry root rot, Rust, Spider mites
Healthy tree, Red blotch
Plant Tolerance
Heat Tolerance, Humidity
Wet Site
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
Medium
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Aphids, Bees, Butterflies, Snails
-
Allergy
Dizziness, Mouth itching, Vomiting
Skin rash
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Ground Cover, Showy Purposes
Beauty Benefits
Good Cleanser, Good for the Scalp
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Insect Repellent
Air purification
Plant Benefits
Medicinal Uses
Antipyretic, Bronchitis, Cough, Digestive disorders, Ear infections, Expectorant, Laxative, Migraines, Piles, Rheumatism, Throat infection, Treating fever
Bone disorders, Bone strength, Jaundice
Part of Plant Used
Bark, Leaf Stalks, Leaves
Leaves
Other Uses
Biomass for fuel, Can be made into a herbal tea, Culinary use, Oil is used for aromatherapy, Used as a laxative
Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Hedges, Mixed Border, Screening / Wind Break, Tropical
Container, Edging, Groundcover, Mixed Border, Water Gardens
Botanical Name
Justicia adhatoda
OSMUNDA regalis var spectabilis
Common Name
Malabar nut, Adulsa, Adhatoda, Vasaka
Royal Fern
In Hindi
अडुळसा, अडुसा
रॉयल फर्न
In German
Indisches Lungenkraut
Königs Fern
In French
Justicia adhatoda
Fougère royale
In Spanish
Justicia adhatoda
Real helecho
In Greek
Justicia adhatoda
Royal Fern
In Portuguese
Justicia adhatoda
Real Fern
In Polish
Justicia adhatoda
Królewski paproci
In Latin
Justicia adhatoda
Fern
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Pteridophyta
Class
Magnoliopsida
Filicopsida
Order
Scrophulariales
Polypodiales
Family
Acanthaceae
Osmundaceae
Genus
Justicia
Osmunda
Clade
Angiosperms, Monocots
-
Tribe
Justicieae
-
Subfamily
Acanthoideae
-
Number of Species
65810
1
27800
👆🏻