Life Span
Perennial
Perennial
Type
Grass
Shrubs
Origin
North America, Canada, Mexico
China, Japan, Korea
Types
Panicum abscissum, Panicum acostia, Panicum amarum
Petasites hybridus
Number of Varieties
3810
0
40000
👆🏻
Habitat
Prairies
Wet lands
USDA Hardiness Zone
4-95-9
0
99
👆🏻
AHS Heat Zone
9 - 1
9-4
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
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
150.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
90.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Green
Light Yellow, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Light Green, Blue Green, Gray Green
Green, Purple, Burgundy
Leaf Color in Summer
Light Green
Green, Purple
Leaf Color in Fall
Red, Green, Orange, Blue Green, Gray Green, Bronze
Green, Purple
Leaf Color in Winter
Tan, Sandy Brown
-
Shape
Leaf Shape
Grass like
Round
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial shade, Full Shade
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Poorly Drained
Bloom Time
Early Summer, Summer, Late Summer
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Soil Compaction
Wet Site
Where to Plant?
Ground
Ground
How to Plant?
Divison, Root Division
By dividing rhizomes, tubers
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Requires consistently moist soil
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
Poorly Drained
Sun Exposure
Full Sun, Partial Sun
Partial shade, Full Shade
Pruning
Prune in spring, Remove dead or diseased plant parts, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Pollution, Soil Compaction
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Bold
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Wildlife
-
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Provides ground cover, soil erosion prevension on hill slopes
Air purification
Plant Benefits
Medicinal Uses
-
Asthma, Chronic fatigue
Part of Plant Used
Leaves
Leaves, Seeds, Stem
Other Uses
Cattle Fodder, Used as Biofuel
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Foundation, Mixed Border
Bog Garden, Container, Water Gardens
Botanical Name
PANICUM virgatum
PETASITES japonicus 'Purpureus'
Common Name
Switchgrass
Giant Butterbur, Japanese Butterbur, Purple Butterbur
In Hindi
Switchgrass
Purple Butterbur
In German
Switchgrass
Lila Pestwurz
In French
switchgrass
Violet Butterbur
In Spanish
switchgrass
púrpura petasita
In Greek
switchgrass
Purple Butterbur
In Portuguese
switchgrass
roxo Carrapicho
In Polish
switchgrass
Purpurowy Lepiężnik
In Latin
switchgrass
Purple Butterbur
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Cyperales
Asterales
Family
Poaceae
Asteraceae
Genus
Panicum
Petasites
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Asterids, Eudicots
Tribe
Paniceae
Senecioneae
Subfamily
Panicoideae
-
Number of Species
45015
1
27800
👆🏻