Life Span
Perennial
  
Perennial
  
Type
Tree
  
Herbs
  
Origin
Central Asia, India, Nepal, China, Japan, Korea
  
China, Japan, Korea
  
Types
Not Available
  
Not Available
  
Habitat
Dappled Shade, Sunny Edge, Woodland Garden Secondary
  
gardens, Grassland, Homesteads, Open areas
  
USDA Hardiness Zone
5-9
  
5-9
  
AHS Heat Zone
8-3
  
9-4
  
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
  
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 cm
  
38
Minimum Width
1,070.00 cm
  
19
Plant Color
  
  
Flower Color
Red, Light Green
  
Light Yellow, Ivory
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Sandy Brown
  
Not Available
  
Leaf Color in Spring
Light Green, Dark Green, Yellow green
  
Green, Light Green, Light Yellow, Ivory
  
Leaf Color in Summer
Green, Dark Green
  
Green, Light Yellow, Ivory
  
Leaf Color in Fall
Yellow, Brown, Sandy Brown
  
Green, Light Yellow, Ivory
  
Leaf Color in Winter
Not Available
  
Not Available
  
Shape
  
  
Leaf Shape
Saw-tooth like
  
Round
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Partial shade, Full Shade
  
Growth Rate
Slow
  
Fast
  
Type of Soil
Clay, Loam
  
Clay, Loam, Sand
  
The pH of Soil
Acidic, Neutral
  
Acidic, Neutral, Alkaline
  
Soil Drainage
Well drained
  
Poorly Drained
  
Bloom Time
Late Spring
  
Early Spring, Late Winter
  
Repeat Bloomer
No
  
No
  
Tolerances
Not Available
  
Wet Site
  
Where to Plant?
Ground
  
Ground, Pot
  
How to Plant?
Seedlings
  
Divison, Stem Planting
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Average Water Needs, Do Not over Water
  
Allow soil to be completely dry in between waterings, Keep ground moist, Needs 2-3 times watering per week, Over-head watering, Requires watering in the growing season
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral
  
Acidic, Neutral, Alkaline
  
Soil Type
Clay, Loam
  
Clay, Loam, Sand
  
Soil Drainage Capacity
Well drained
  
Poorly Drained
  
Sun Exposure
Full Sun, Partial Sun
  
Partial shade, Full Shade
  
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Remove deadheads, Requires very little pruning, Shape and thin as needed
  
Fertilizers
Apply 10-10-10 amount, Apply 18-8-3 amount
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
No serious insect or disease problems
  
Pests and diseases free, Red blotch
  
Plant Tolerance
Drought
  
Wet Site
  
Flowers
Insignificant
  
Showy
  
Flower Petal Number
Not Available
  
Not Available
  
Fruits
  
  
Showy Fruit
Yes
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
Yes
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Yes
  
Yes
  
Showy Bark
Yes
  
No
  
Foliage Texture
Coarse
  
Bold
  
Foliage Sheen
Glossy
  
Glossy
  
Evergreen
No
  
No
  
Invasive
No
  
Sometimes
  
Self-Sowing
Yes
  
No
  
Attracts
Beetles, Butterflies
  
Not Available
  
Allergy
Not Available
  
no allergic reactions
  
Uses
  
  
Aesthetic Uses
Not Used For Aesthetic Purpose
  
Showy Purposes
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification
  
Air purification
  
Plant Benefits
  
  
Medicinal Uses
Astringent
  
No Medicinal Use
  
Part of Plant Used
Leaves, Seeds
  
Whole plant
  
Other Uses
Used as a dyestuff, Used as a thickening in stews, used for fuel and charcoal, Used for making black dye
  
Not Available
  
Used As Indoor Plant
No
  
Yes
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Shade Trees
  
Bog Garden, Container, Feature Plant, Water Gardens
  
Botanical Name
QUERCUS acutissima
  
PETASITES japonicus 'Variegatus'
  
Common Name
Sawtooth Oak
  
Giant Butterbur, Japanese Butterbur, Variegated Butterbur
  
In Hindi
Sawtooth Oak
  
variegated butterbur
  
In German
Sägezahn- Eiche
  
bunte Pestwurz
  
In French
Sawtooth Oak
  
pétasite panachée
  
In Spanish
diente de sierra de roble
  
butterbur abigarrado
  
In Greek
πριονωτή Oak
  
διαφοροποιημένα butterbur
  
In Portuguese
Sawtooth Oak
  
butterbur variegada
  
In Polish
piłokształtny Oak
  
barwny Lepiężnik
  
In Latin
Quercus acutissima
  
varius butterbur
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Not Available
  
Class
Magnoliopsida
  
Not Available
  
Order
Fagales
  
Asterales
  
Family
Fagaceae
  
Asteraceae
  
Genus
Quercus
  
Petasites
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Asterids, Eudicots
  
Tribe
Not Available
  
Senecioneae
  
Subfamily
Fagoideae
  
Not Available
  
Number of Species
Not Available