Life Span
Perennial
  
Perennial
  
Type
Herbaceous Perennial
  
Tree
  
Origin
China, Japan, Korea
  
North America, United States, Northwestern United States, Alaska, California, Canada
  
Types
Not Available
  
Not available
  
Habitat
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
  
Lowland evergreen rainforest
  
USDA Hardiness Zone
5-9
  
4-7
  
AHS Heat Zone
9-4
  
7-1
  
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
  
Habit
Clump-Forming
  
Pyramidal
  
Plant Size
  
  
Minimum Height
1,370.00 cm
  
31
Plant Color
  
  
Flower Color
Light Yellow, Ivory
  
Yellow, Red, Coral
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Not Available
  
Brown
  
Leaf Color in Spring
Green
  
Green, Dark Green
  
Leaf Color in Summer
Green
  
Dark Green
  
Leaf Color in Fall
Green
  
Dark Green
  
Leaf Color in Winter
Not Available
  
Not Available
  
Shape
  
  
Leaf Shape
Ovate
  
Ovate
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall
  
Growing Conditions
  
  
Sunlight
Partial shade, Full Shade
  
Full Sun, Partial Sun, Partial shade
  
Growth Rate
Fast
  
Fast
  
Type of Soil
Clay, Loam, Sand
  
Loam, Sand
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Acidic, Neutral, Alkaline
  
Soil Drainage
Poorly Drained
  
Average
  
Bloom Time
Early Spring, Late Winter
  
Early Spring
  
Repeat Bloomer
No
  
No
  
Tolerances
Wet Site
  
Maritime exposure, Salt water
  
Where to Plant?
Container, Ground, Pot
  
Ground
  
How to Plant?
Divison, Seedlings
  
Layering, Seedlings
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Water once every two or three weeks
  
Average Water Needs
  
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
  
Loam, Sand
  
Soil Drainage Capacity
Poorly Drained
  
Average
  
Sun Exposure
Partial shade, Full Shade
  
Full Sun, Partial Sun, Partial shade
  
Pruning
Remove the old foliage
  
Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Fertilizers
Use a fertilizer ratio of 16-4-8
  
All-Purpose Liquid Fertilizer, Nitrogen
  
Pests and Diseases
No serious insect or disease problems
  
Not Available
  
Plant Tolerance
Drought
  
Maritime exposure, Salt water
  
Flowers
Showy
  
Insignificant
  
Flower Petal Number
Not Available
  
Not Available
  
Fruits
  
  
Showy Fruit
No
  
Yes
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
Yes
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
Yes
  
Showy Bark
No
  
Yes
  
Foliage Texture
Bold
  
Medium
  
Foliage Sheen
Glossy
  
Glossy
  
Evergreen
No
  
No
  
Invasive
Sometimes
  
No
  
Self-Sowing
No
  
Yes
  
Attracts
Not Available
  
Insects, Not Available
  
Allergy
no allergic reactions
  
Not Available
  
Uses
  
  
Aesthetic Uses
Bog Garden, Showy Purposes
  
Not Used For Aesthetic Purpose
  
Beauty Benefits
Not Available
  
Skin Problems
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification
  
Air purification, Prevent Soil Erosion, Shadow Tree
  
Plant Benefits
  
  
Medicinal Uses
Antiasthamatic, Antispasmodic, Expectorant, Poultice
  
Anodyne, Appetizer, Astringent
  
Part of Plant Used
Flowers, Stem
  
Flowers, Inner Bark, Sap
  
Other Uses
Can be boiled and seasoned, pickled, Used as umbrellas by Japanese children, Used as walking sticks, Used like rhubarb
  
Used as a dye, used for making charcoal, Used for making informal hedge
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Bog Garden, Container, Feature Plant, Water Gardens
  
Screening / Wind Break, Shade Trees
  
Botanical Name
PETASITES japonicus
  
ALNUS rubra
  
Common Name
Giant Butterbur, Japanese Butterbur
  
Oregon Alder, Red Alder
  
In Hindi
Giant Butterbur
  
red alder
  
In German
Riesen Pestwurz
  
rot-Erle
  
In French
géant Butterbur
  
aulne rouge
  
In Spanish
gigante petasita
  
aliso rojo
  
In Greek
Giant Butterbur
  
κόκκινη σκλήθρα
  
In Portuguese
Carrapicho gigante
  
amieiro vermelho
  
In Polish
Giant Lepiężnik
  
czerwony olcha
  
In Latin
Giant Butterbur
  
red alnus
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Asterales
  
Fagales
  
Family
Asteraceae
  
Betulaceae
  
Genus
Petasites
  
Alnus
  
Clade
Angiosperms, Asterids, Eudicots
  
Angiosperms, Eudicots, Rosids
  
Tribe
Senecioneae
  
Not Available
  
Subfamily
Asteroideae
  
Not Available
  
Number of Species
Not Available
  
Season and Care of Giant Butterbur and Red Alder
Season and care of Giant Butterbur and Red Alder is important to know. While considering everything about Giant Butterbur and Red Alder Care, growing season is an essential factor. Giant Butterbur season is Spring, Summer and Fall and Red Alder season is Spring, Summer and Fall. The type of soil for Giant Butterbur is Clay, Loam, Sand and for Red Alder is Loam, Sand while the PH of soil for Giant Butterbur is Acidic, Neutral, Alkaline and for Red Alder is Acidic, Neutral, Alkaline.
Giant Butterbur and Red Alder Physical Information
Giant Butterbur and Red Alder physical information is very important for comparison. Giant Butterbur height is 60.00 cm and width 120.00 cm whereas Red Alder height is 1,370.00 cm and width 610.00 cm. The color specification of Giant Butterbur and Red Alder are as follows:
Giant Butterbur flower color: Light Yellow and Ivory
Giant Butterbur leaf color: Green
Red Alder flower color: Yellow, Red and Coral
- Red Alder leaf color: Green and Dark Green
Care of Giant Butterbur and Red Alder
Care of Giant Butterbur and Red Alder include pruning, fertilizers, watering etc. Giant Butterbur pruning is done Remove the old foliage and Red Alder pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Giant Butterbur needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Red Alder needs Lots of watering and in winter, it needs Average Water.