Life Span
Perennial
Perennial
Type
Grass
Tender Perennial
Origin
North America, Canada, Mexico
Southern Asia
Types
Panicum abscissum, Panicum acostia, Panicum amarum
African iris, Large wild iris, Cape iris
Number of Varieties
386
0
40000
👆🏻
Habitat
Prairies
Coastal Regions, Forest margins, Slopes
USDA Hardiness Zone
4-99-11
0
99
👆🏻
AHS Heat Zone
9 - 1
12-10
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
150.00 cm70.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm50.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Green
White, Yellow, Blue, Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Brown
Leaf Color in Spring
Green, Light Green, Blue Green, Gray Green
Green, Gray Green
Leaf Color in Summer
Light Green
Green, Gray Green
Leaf Color in Fall
Red, Green, Orange, Blue Green, Gray Green, Bronze
Green, Gray Green
Leaf Color in Winter
Tan, Sandy Brown
Light Green
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
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Summer, Summer, Late Summer
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Ground
How to Plant?
Divison, Root Division
Seedlings, Stem Cutting, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Average Water Needs, Water more in summer
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
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Pruning
Prune in spring, Remove dead or diseased plant parts, Remove deadheads
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
Fertilizers
Nitrogen
Apply N-P-K
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Pollution, Soil Compaction
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
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Wildlife
Bees, Butterflies, Flying insects, Insects
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Borders, Ground Cover, Showy Purposes, Water gardening
Beauty Benefits
-
-
Edible Uses
Insignificant
Insignificant
Environmental Uses
Air purification, Provides ground cover, soil erosion prevension on hill slopes
Air purification, soil stabilisation, Windbreak
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Leaves
Flowers
Other Uses
Cattle Fodder, Used as Biofuel
Screen, useful as a ground cover
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Mixed Border
Bedding Plant, Bog Garden, Container, Groundcover, Mixed Border, Tropical, Water Gardens
Botanical Name
PANICUM virgatum
DIETES grandiflora
Common Name
Switchgrass
Butterfly Iris
In Hindi
Switchgrass
तितली आइरिस प्लांट
In German
Switchgrass
Schmetterling Iris Pflanzen
In French
switchgrass
Papillon Iris Plante
In Spanish
switchgrass
Planta del iris de la mariposa
In Greek
switchgrass
Πεταλούδα Iris Φυτών
In Portuguese
switchgrass
Borboleta da planta Iris
In Polish
switchgrass
Butterfly Iris Roślin
In Latin
switchgrass
Gloria Iris Planta
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Liliopsida
Order
Cyperales
Liliales
Family
Poaceae
Iridaceae
Genus
Panicum
Dietes Salisb
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Monocots
Tribe
Paniceae
Irideae
Subfamily
Panicoideae
Iridoideae
Number of Species
450260
1
27800
👆🏻