Life Span
Perennial
  
Annual
  
Type
Fern
  
Flowering Plants
  
Origin
Northeastern United States, Eastern Asia
  
North America
  
Types
Not Available
  
Helianthus annuus, Heliantheae,
  
Number of Varieties
Not Available
  
Habitat
Forest margins, Roadsides, Terrestrial
  
Dry areas, Open areas, Prairies
  
USDA Hardiness Zone
2-9
  
3-10
  
AHS Heat Zone
8-1
  
12-1
  
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6
  
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
Habit
Upright/Erect
  
Upright/Erect
  
Plant Size
  
  
Plant Color
  
  
Flower Color
Not Available
  
Brown, Yellow
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Not Available
  
Black, Chocolate, Ivory
  
Leaf Color in Spring
Green
  
Dark Green, Green
  
Leaf Color in Summer
Green
  
Green
  
Leaf Color in Fall
Green
  
Green
  
Leaf Color in Winter
Not Available
  
Not Available
  
Shape
  
  
Leaf Shape
Lance shaped
  
Oval
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Summer
  
Growing Conditions
  
  
Sunlight
Full Sun
  
Bright direct sunlight
  
Growth Rate
Fast
  
Very Fast
  
Type of Soil
Loam
  
Dry, Light, Well drained
  
The pH of Soil
Acidic
  
Acidic, Alkaline
  
Soil Drainage
Well drained
  
Well drained
  
Bloom Time
Not Available
  
Early Fall, Early Summer, Fall, Late Spring, Late Summer, Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Not Available
  
Not Available
  
Where to Plant?
Ground
  
Container, Ground, Pot
  
How to Plant?
Divison, Spores
  
Seedlings
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Water Deeply, Water when soil is dry
  
Keep the ground moist but not water-logged, Requires regular watering, Requires watering in the 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, Alkaline
  
Soil Type
Loam
  
Dry, Light, Well drained
  
Soil Drainage Capacity
Well drained
  
Well drained
  
Sun Exposure
Partial Sun
  
Bright direct sunlight
  
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Shape and thin as needed
  
Prune ocassionally, Requires little pruning
  
Fertilizers
All-Purpose Liquid Fertilizer
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
Mealybugs
  
Alternaria leaf blight, Apical chlorosis, Bacteria wilt, Bacterial leaf spot, Botrytis head rot, Charcoal rot, Crown gall, Downy mildew, Erwinia stalk rot, Fusarium stalk rot, Fusarium wilt, head rot, Phialophora yellows, Stem spot
  
Plant Tolerance
Drought
  
Drought
  
Flowers
None
  
Yes
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
Yes
  
Fragrance
  
  
Fragrant Flower
No
  
Yes
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
No
  
Showy Bark
No
  
No
  
Foliage Texture
Fine
  
Coarse
  
Foliage Sheen
Matte
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Hummingbirds
  
Birds, Butterflies
  
Allergy
Skin irritation
  
Runny nose, Red eyes, Watery eyes, Sore eyes, Itchy eyes
  
Uses
  
  
Aesthetic Uses
Showy Purposes
  
Beautification, Bouquets, Showy Purposes, Used for decorating walls, fences, gates, hedges, etc.
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
Unknown
  
Yes
  
Environmental Uses
Air purification
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
Blood disorders
  
Pulmonary afflictions
  
Part of Plant Used
Buds
  
Flowers, Seeds, Stem
  
Other Uses
Culinary use
  
As Fertilizers, Economic Purpose, Oil is used in perfume, soaps, creams, etc., Showy Purposes, Used As Food, Used as Ornamental plant, Used for producing cooking oil
  
Used As Indoor Plant
No
  
Yes
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Groundcover, Mixed Border
  
Bedding Plant, Bonsai, Container, Edging, Edible, Feature Plant, Houseplant, Vegetable
  
Botanical Name
OSMUNDA claytoniana
  
Helianths Annuus
  
Common Name
Interrupted Fern
  
Sunflower
  
In Hindi
बाधित फर्न
  
Sūrajamukhī
  
In German
unterbrochen Fern
  
Sonnenblume
  
In French
Fern interrompu
  
Tournesol
  
In Spanish
helecho interrumpido
  
Girasol
  
In Greek
διακοπεί Fern
  
ηλιοτρόπιο
  
In Portuguese
Fern interrompido
  
Girassol
  
In Polish
przerwana Fern
  
słonecznik
  
In Latin
Fern intermissis
  
Helianthus
  
Kingdom
Plantae
  
Plantae
  
Phylum
Pteridophyta
  
Magnoliophyta
  
Class
Polypodiopsida
  
Magnoliopsida
  
Order
Osmundales
  
Asterales
  
Family
Osmundaceae
  
Asteraceae
  
Genus
Osmunda
  
Heilanthus
  
Clade
Not Available
  
Not Available
  
Tribe
Not Available
  
Heliantheae
  
Subfamily
Not Available
  
Helianthodeae
  
Number of Species
Not Available