Life Span
Perennial
Perennial
Type
Tender Perennial
Fern
Origin
Southern Africa
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States
Types
Perennial
Osmunda regalis var. regalis, Osmunda regalis var. panigrahiana, Osmunda spectabilis
Number of Varieties
504
0
40000
👆🏻
Habitat
Desert, Mediterranean region, Subtropical climates, Temperate Regions
Banks, Boggy areas, stream banks, Woodlands
USDA Hardiness Zone
8-102-9
0
99
👆🏻
AHS Heat Zone
10-8
8-1
Sunset Zone
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
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
61.30 cm60.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Light Yellow, Brown
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green, Gray Green
Green
Leaf Color in Summer
Green, Gray Green
Green
Leaf Color in Fall
Green, Gray Green
Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Grass like
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
Medium
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
Drought
Wet Site
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Rhizome division, Seedlings
From Rhizomes
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires regular watering
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
Remove dead leaves
Remove damaged leaves, Remove dead branches
Fertilizers
Any balanced general purpose fertilizer
Doesn't require fertilization when grown in rich soil
Pests and Diseases
Nematodes, Scale
Healthy tree, Red blotch
Plant Tolerance
Drought
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
Bees, Birds, Butterflies
-
Allergy
Skin irritation
Skin rash
Uses
Aesthetic Uses
Showy Purposes
Ground Cover, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Ethnobotanic
Air purification
Plant Benefits
Medicinal Uses
-
Bone disorders, Bone strength, Jaundice
Part of Plant Used
Root
Leaves
Other Uses
Roots were worn to protect and strengthen the wearer, Used as Ornamental plant
Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Container, Feature Plant, Mixed Border, Tropical, Water Gardens
Container, Edging, Groundcover, Mixed Border, Water Gardens
Botanical Name
DIETES bicolor
OSMUNDA regalis var spectabilis
Common Name
African iris, Fortnight lily
Royal Fern
In Hindi
African Iris
रॉयल फर्न
In German
Afrikanische Iris
Königs Fern
In French
African Iris
Fougère royale
In Spanish
Iris africano
Real helecho
In Greek
Αφρικανική Iris
Royal Fern
In Portuguese
Iris africano
Real Fern
In Polish
Afryki Iris
Królewski paproci
In Latin
African Iris
Fern
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Pteridophyta
Class
Magnoliopsida
Filicopsida
Order
Asparagales
Polypodiales
Family
Iridaceae
Osmundaceae
Genus
Dietes
Osmunda
Clade
Angiosperms, Monocots
-
Tribe
Irideae
-
Subfamily
Iridoideae
-
Number of Species
30010
1
27800
👆🏻