Life Span
Perennial
Perennial
Type
Tender Perennial
Grass
Origin
Southern Asia
Mexico, South-Central United States, Southeastern United States
Types
African iris, Large wild iris, Cape iris
Dallas Blues grass, Rotstrahlbush grass
Number of Varieties
612
0
40000
👆🏻
Habitat
Coastal Regions, Forest margins, Slopes
Prairies, Roadsides, Warmer regions
USDA Hardiness Zone
9-114-10
0
99
👆🏻
AHS Heat Zone
12-10
12 - 3
Sunset Zone
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
70.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
50.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Yellow, Blue, Violet
Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green, Gray Green
Green, Dark Green
Leaf Color in Summer
Green, Gray Green
Light Green
Leaf Color in Fall
Green, Gray Green
Green, Dark Green, Brown
Leaf Color in Winter
Light Green
Tan, Brown
Shape
Leaf Shape
Grass like
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Indeterminate
Late Summer, Early Fall, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Salt
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Cutting, Stem Planting
Divison, Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs, Water more in summer
Water frequently while growing, Water more frequently during periods of extreme drought
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, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads, Remove short twigs, Remove wet foliage
Prune when plant is dormant, Remove dead or diseased plant parts
Fertilizers
Apply N-P-K
No fertilizers needed
Pests and Diseases
Red blotch
Aphids, Ladybug
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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, Butterflies, Flying insects, Insects
Ladybug beetles
Allergy
-
-
Uses
Aesthetic Uses
Borders, Ground Cover, Showy Purposes, Water gardening
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, soil stabilisation, Windbreak
Air purification, Shelter for wildlife
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers
Whole plant
Other Uses
Screen, useful as a ground cover
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bedding Plant, Bog Garden, Container, Groundcover, Mixed Border, Tropical, Water Gardens
Dried Flower / Everlasting, Container, Edging, Feature Plant, Mixed Border, Rock Garden / Wall
Botanical Name
DIETES grandiflora
Panicum virgatum
Common Name
Butterfly Iris
Shenandoah grass, switchgrass
In Hindi
तितली आइरिस प्लांट
Shenandoah grass
In German
Schmetterling Iris Pflanzen
Shenandoah grass
In French
Papillon Iris Plante
Shenandoah grass
In Spanish
Planta del iris de la mariposa
Shenandoah grass
In Greek
Πεταλούδα Iris Φυτών
Shenandoah grass
In Portuguese
Borboleta da planta Iris
Shenandoah grass
In Polish
Butterfly Iris Roślin
Shenandoah grass
In Latin
Gloria Iris Planta
Shenandoah grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Liliopsida
Order
Liliales
Cyperales
Family
Iridaceae
Poaceae
Genus
Dietes Salisb
Muhlenbergia
Clade
Angiosperms, Monocots
Angiosperms, Commelinids, Monocots
Tribe
Irideae
-
Subfamily
Iridoideae
-
Number of Species
2601
1
27800
👆🏻