Life Span
Perennial
Perennial
Type
Tree
Shrubs
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
China, Japan, Korea
Types
Quercus phellos, Quercus nigra
Petasites hybridus
Number of Varieties
5510
0
40000
👆🏻
Habitat
Hot climate regions, low mountains, Tropical regions
Wet lands
USDA Hardiness Zone
6-95-9
0
99
👆🏻
AHS Heat Zone
9-3
9-4
Sunset Zone
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
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
1,220.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
910.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Green, Chartreuse
Light Yellow, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan, Chocolate
-
Leaf Color in Spring
Green, Light Green
Green, Purple, Burgundy
Leaf Color in Summer
Green, Dark Green
Green, Purple
Leaf Color in Fall
Yellow, Orange, Sandy Brown
Green, Purple
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Round
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall
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
Spring, Late Spring
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site, Pollution, Soil Compaction
Wet Site
Where to Plant?
Ground
Ground
How to Plant?
Grafting, Seedlings
By dividing rhizomes, tubers
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Allow to dry out slightly between watering, Does not require lot of 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
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
All-Purpose Liquid Fertilizer
Pests and Diseases
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
Red blotch
Plant Tolerance
Heat Tolerance, Humidity, Salt and Soil Compaction
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
Fine
Bold
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
Eczema, Rhinitis, Runny nose
-
Uses
Aesthetic Uses
Landscape Designing, Showy Purposes
Ground Cover
Beauty Benefits
Blood purifying, Reduce Bruises, Weightloss
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Gout, Obesity, Snoring
Asthma, Chronic fatigue
Part of Plant Used
Bark, Stem
Leaves, Seeds, Stem
Other Uses
Animal Feed, Biodiesel, Recovering internal injuries
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Bog Garden, Container, Water Gardens
Botanical Name
QUERCUS phellos
PETASITES japonicus 'Purpureus'
Common Name
Willow Oak
Giant Butterbur, Japanese Butterbur, Purple Butterbur
In Hindi
Overcup ओक
Purple Butterbur
In German
Overcup Oak
Lila Pestwurz
In French
Overcup Oak
Violet Butterbur
In Spanish
Overcup Roble
púrpura petasita
In Greek
Overcup Oak
Purple Butterbur
In Portuguese
Overcup Oak
roxo Carrapicho
In Polish
Overcup Dąb
Purpurowy Lepiężnik
In Latin
Oryza
Purple Butterbur
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Asterales
Family
Fagaceae
Asteraceae
Genus
Quercus
Petasites
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
Senecioneae
Subfamily
Amaryllidoideae
-
Number of Species
40015
1
27800
👆🏻