Life Span
Perennial
Perennial
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States
North America, United States, North-Central United States, Central United States, Canada
Types
Osmunda regalis var. regalis, Osmunda regalis var. panigrahiana, Osmunda spectabilis
Blue False Indigo
White False Indigo
Habitat
Banks, Boggy areas, stream banks, Woodlands
gardens, Grassland, Warmer regions
USDA Hardiness Zone
2-9
2-8
Sunset Zone
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
A1, A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9
Habit
Clump-Forming
Oval or Rounded
Flower Color
Non Flowering Plant
Purple
Flower Color Modifier
Bicolor
Not Available
Fruit Color
Non Fruiting Plant
Light Green
Leaf Color in Spring
Green
Light Green, Gray Green, Gray
Leaf Color in Summer
Green
Light Green, Gray Green, Gray
Leaf Color in Fall
Green
Light Green, Gray Green, Gray
Leaf Color in Winter
Not Available
Not Available
Plant Season
Spring, Summer, Fall
Summer, Fall
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
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Summer
Summer, Late Summer, Early Fall
Tolerances
Wet Site
Drought
Where to Plant?
Container, Ground, Pot
Ground, Pot
How to Plant?
From Rhizomes
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Requirements
Do not let dry out between waterings, Keep ground moist
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic
Neutral, Alkaline
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
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Doesn't require fertilization when grown in rich soil
All-Purpose Liquid Fertilizer
Pests and Diseases
Healthy tree, Red blotch
Red blotch
Plant Tolerance
Wet Site
Drought
Flower Petal Number
Single
Single
Fragrant Bark/Stem
No
Yes
Foliage Texture
Fine
Fine
Foliage Sheen
Matte
Matte
Self-Sowing
No
Not Available
Attracts
Not Available
Not Available
Allergy
Skin rash
Not Available
Aesthetic Uses
Ground Cover, Showy Purposes
Showy Purposes
Beauty Benefits
Not Available
Not Available
Environmental Uses
Air purification
Air purification
Medicinal Uses
Bone disorders, Bone strength, Jaundice
Not Available
Part of Plant Used
Leaves
Whole plant
Other Uses
Used as Ornamental plant, Used for its medicinal properties
Used as Ornamental plant
Used As Indoor Plant
Yes
No
Used As Outdoor Plant
Yes
Yes
Garden Design
Container, Edging, Groundcover, Mixed Border, Water Gardens
Foundation, Mixed Border, Rock Garden, Wall
Botanical Name
OSMUNDA regalis var spectabilis
AMORPHA canescens
Common Name
Royal Fern
False Indigo
In Hindi
रॉयल फर्न
इंडिगो
In German
Königs Fern
falsches Indigo
In French
Fougère royale
faux Indigo
In Spanish
Real helecho
Falso Indigo
In Greek
Royal Fern
Λάθος Indigo
In Portuguese
Real Fern
false Indigo
In Polish
Królewski paproci
fałsz Indigo
In Latin
Fern
falsum indicum
Phylum
Pteridophyta
Magnoliophyta
Class
Filicopsida
Not Available
Order
Polypodiales
Fabales
Family
Osmundaceae
Fabaceae
Clade
Not Available
Angiosperms, Eudicots, Rosids
Tribe
Not Available
Not Available
Subfamily
Not Available
Not Available
Number of Species
Not Available
Not Available
Season and Care of Royal Fern and False Indigo
Season and care of Royal Fern and False Indigo is important to know. While considering everything about Royal Fern and False Indigo Care, growing season is an essential factor. Royal Fern season is Spring, Summer and Fall and False Indigo season is Spring, Summer and Fall. The type of soil for Royal Fern is Clay, Loam and for False Indigo is Loam, Sand while the PH of soil for Royal Fern is Acidic and for False Indigo is Neutral, Alkaline.
Royal Fern and False Indigo Physical Information
Royal Fern and False Indigo physical information is very important for comparison. Royal Fern height is 60.00 cm and width 90.00 cm whereas False Indigo height is 60.00 cm and width 120.00 cm. The color specification of Royal Fern and False Indigo are as follows:
Royal Fern flower color: Non Flowering Plant
Royal Fern leaf color: Green
False Indigo flower color: Purple
- False Indigo leaf color: Light Green, Gray Green and Gray
Care of Royal Fern and False Indigo
Care of Royal Fern and False Indigo include pruning, fertilizers, watering etc. Royal Fern pruning is done Remove damaged leaves and Remove dead branches and False Indigo pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Royal Fern needs Lots of watering and in winter, it needs Average Water. Whereas, in summer False Indigo needs Lots of watering and in winter, it needs Average Water.