Life Span
Perennial
Annual or Biennial
Type
Herbaceous Perennial
Grass
Origin
China, Japan, Korea
South America, Micronesia, New Zealand
Types
Not Available
Silver pampas grass, Uruguayan pampas grass, Purple pampas grass
Habitat
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
Lawn
USDA Hardiness Zone
5-9
7-11
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, 3a, 3b, 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
Flower Color
Light Yellow, Ivory
Pink, Violet, White hair and some brown spots on margins and at tips
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Not Available
Not Available
Leaf Color in Spring
Green
Green, Light Green, Dark Green
Leaf Color in Summer
Green
Light Green
Leaf Color in Fall
Green
Green, Light Green, Dark Green
Leaf Color in Winter
Not Available
Dark Green, Tan
Leaf Shape
Ovate
Long and slender with very sharp edges
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Sunlight
Partial shade, Full Shade
Full Sun
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Poorly Drained
Well drained
Bloom Time
Early Spring, Late Winter
Summer, Fall
Tolerances
Wet Site
Drought, Salt
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Divison, Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Requirements
Water once every two or three weeks
Average Water Needs, Needs watering once a week, Reduce water once established, 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 pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Loam
Soil Drainage Capacity
Poorly Drained
Well drained
Sun Exposure
Partial shade, Full Shade
Full Sun
Pruning
Remove the old foliage
Prune in late winter, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove deadheads
Fertilizers
Use a fertilizer ratio of 16-4-8
Apply 10-10-10 amount, Nitrogen, Phosphorous, Potassium
Pests and Diseases
No serious insect or disease problems
Red blotch
Plant Tolerance
Drought
Drought, Salt
Flower Petal Number
Not Available
Single
Foliage Texture
Bold
Fine
Foliage Sheen
Glossy
Matte
Invasive
Sometimes
Sometimes
Attracts
Not Available
Birds, Rats, Snakes
Allergy
no allergic reactions
Itchiness, Skin cuts
Aesthetic Uses
Bog Garden, Showy Purposes
Showy Purposes
Beauty Benefits
Not Available
Not Available
Edible Uses
Yes
Insignificant
Environmental Uses
Air purification
Air purification, Provides ground cover
Medicinal Uses
Antiasthamatic, Antispasmodic, Expectorant, Poultice
Not Available
Part of Plant Used
Flowers, Stem
Flowers, Leaves
Other Uses
Can be boiled and seasoned, pickled, Used as umbrellas by Japanese children, Used as walking sticks, Used like rhubarb
Fibre, Food for animals, Used in paper industry
Used As Indoor Plant
No
Insignificant
Used As Outdoor Plant
Yes
Yes
Garden Design
Bog Garden, Container, Feature Plant, Water Gardens
Dried Flower / Everlasting, Cutflower, Dried Flower/Everlasting, Feature Plant, Foundation, Groundcover, Mixed Border, Screening / Wind Break
Botanical Name
PETASITES japonicus
CORTADERIA
Common Name
Giant Butterbur, Japanese Butterbur
Pampas Grass
In Hindi
Giant Butterbur
Pampas grass
In German
Riesen Pestwurz
Pampasgrass
In French
géant Butterbur
herbe de la pampa
In Spanish
gigante petasita
cortaderas
In Greek
Giant Butterbur
γρασίδι Πάμπα
In Portuguese
Carrapicho gigante
grama de Pampas
In Polish
Giant Lepiężnik
Pampas trawy
In Latin
Giant Butterbur
Pampas herba
Phylum
Magnoliophyta
Vascular plant
Class
Magnoliopsida
Liliopsida
Family
Asteraceae
Poaceae
Genus
Petasites
Cortaderia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
Senecioneae
Danthonieae
Subfamily
Asteroideae
Danthonioideae
Number of Species
Not Available
Season and Care of Giant Butterbur and Pampas Grass
Season and care of Giant Butterbur and Pampas Grass is important to know. While considering everything about Giant Butterbur and Pampas Grass Care, growing season is an essential factor. Giant Butterbur season is Spring, Summer and Fall and Pampas Grass season is Spring, Summer and Fall. The type of soil for Giant Butterbur is Clay, Loam, Sand and for Pampas Grass is Loam while the PH of soil for Giant Butterbur is Acidic, Neutral, Alkaline and for Pampas Grass is Acidic, Neutral.
Giant Butterbur and Pampas Grass Physical Information
Giant Butterbur and Pampas Grass physical information is very important for comparison. Giant Butterbur height is 60.00 cm and width 120.00 cm whereas Pampas Grass height is 304.80 cm and width 182.88 cm. The color specification of Giant Butterbur and Pampas Grass are as follows:
Giant Butterbur flower color: Light Yellow and Ivory
Giant Butterbur leaf color: Green
Pampas Grass flower color: Pink, Violet and White hair and some brown spots on margins and at tips
- Pampas Grass leaf color: Green, Light Green and Dark Green
Care of Giant Butterbur and Pampas Grass
Care of Giant Butterbur and Pampas Grass include pruning, fertilizers, watering etc. Giant Butterbur pruning is done Remove the old foliage and Pampas Grass pruning is done Prune in late winter, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves and Remove deadheads. In summer Giant Butterbur needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Pampas Grass needs Lots of watering and in winter, it needs Average Water.