Life Span
Perennial
Perennial
Type
Tree
Shrubs
Origin
Southern Europe, Mediterranean, Northern Africa
China, Japan, Korea
Types
-
Petasites hybridus
Number of Varieties
110
0
40000
👆🏻
Habitat
Open Forest
Wet lands
USDA Hardiness Zone
7-95-9
0
99
👆🏻
AHS Heat Zone
12-3
9-4
Sunset Zone
5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,070.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
910.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Light Yellow, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Gray Green, Dark Green
Green, Purple, Burgundy
Leaf Color in Summer
Gray Green, Dark Green
Green, Purple
Leaf Color in Fall
Gray Green, Dark Green
Green, Purple
Leaf Color in Winter
Gray Green, Dark Green
-
Shape
Leaf Shape
Lobed
Round
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial shade, Full Shade
Growth Rate
Slow
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
Spring
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Wet Site
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Planting, Transplanting
By dividing rhizomes, tubers
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Keep ground moist, Never Over-water, Requires watering in the growing season, Water less during winter
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
Remove damaged leaves, Remove dead leaves, Requires little pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
fertilize in growing season
All-Purpose Liquid Fertilizer
Pests and Diseases
Spider mites
Red blotch
Plant Tolerance
Drought, Salt
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Bold
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
-
-
Uses
Aesthetic Uses
Landscape Designing
Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Absorbs greenhouse gases, Air purification, Amazing growth rate, Food for birds, Food for insects, Nesting sites for birds, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Nutrients
Asthma, Chronic fatigue
Part of Plant Used
Bark, Seeds, Stem, Tree trunks
Leaves, Seeds, Stem
Other Uses
Economic Purpose, Used in construction
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Bog Garden, Container, Water Gardens
Botanical Name
QUERCUS suber
PETASITES japonicus 'Purpureus'
Common Name
Cork Oak
Giant Butterbur, Japanese Butterbur, Purple Butterbur
In Hindi
कॉर्क ओक
Purple Butterbur
In German
Kork Eiche
Lila Pestwurz
In French
Cork Oak
Violet Butterbur
In Spanish
alcornoque
púrpura petasita
In Greek
Cork Oak
Purple Butterbur
In Portuguese
sobreiro
roxo Carrapicho
In Polish
Cork Oak
Purpurowy Lepiężnik
In Latin
sUBER
Purple Butterbur
Kingdom
Plantae
Plantae
Phylum
Anthophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Asterales
Family
Fagaceae
Asteraceae
Genus
Quercus
Petasites
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Mirini
Senecioneae
Subfamily
Mirinae
-
Number of Species
2015
1
27800
👆🏻