Life Span
Perennial
  
Perennial
  
Type
Shrubs
  
Tree
  
Origin
China, Japan, Korea
  
Central Asia, India, Nepal
  
Types
Not Available
  
White oak, Bluff oak, Muller oak
  
Number of Varieties
Not Available
  
Habitat
Wet lands
  
Clay soil areas, Dry areas, Sandy areas
  
USDA Hardiness Zone
5-9
  
6-9
  
AHS Heat Zone
9-4
  
7-5
  
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, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
  
Habit
Clump-Forming
  
Oval or Rounded
  
Plant Size
  
  
Minimum Height
2,286.00 cm
  
18
Minimum Width
1,219.20 cm
  
15
Plant Color
  
  
Flower Color
Light Yellow, Ivory
  
Red, Yellow green
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Not Available
  
Sandy Brown, Sienna
  
Leaf Color in Spring
Green, Purple, Burgundy
  
Green, Light Green, Gray
  
Leaf Color in Summer
Green, Purple
  
Green, Gray
  
Leaf Color in Fall
Green, Purple
  
Green, Dark Green, Gray
  
Leaf Color in Winter
Not Available
  
Dark Green, Gray
  
Shape
  
  
Leaf Shape
Round
  
broad, flat
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Partial shade, Full Shade
  
Full Sun, Partial Sun
  
Growth Rate
Fast
  
Medium
  
Type of Soil
Clay, Loam, Sand
  
Loam
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Acidic
  
Soil Drainage
Poorly Drained
  
Average
  
Bloom Time
Early Spring, Late Winter
  
Spring
  
Repeat Bloomer
No
  
No
  
Tolerances
Wet Site
  
Drought
  
Where to Plant?
Ground
  
Ground
  
How to Plant?
By dividing rhizomes, tubers
  
Seedlings, Transplanting
  
Plant Maintenance
Medium
  
Medium
  
Watering Plants
  
  
Watering Requirements
Requires consistently moist soil
  
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
  
Soil Type
Clay, Loam, Sand
  
Loam
  
Soil Drainage Capacity
Poorly Drained
  
Average
  
Sun Exposure
Partial shade, Full Shade
  
Full Sun, Partial Sun
  
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Fertilizers
All-Purpose Liquid Fertilizer
  
All-Purpose Liquid Fertilizer
  
Pests and Diseases
Red blotch
  
Red blotch
  
Plant Tolerance
Drought
  
Drought
  
Flowers
Showy
  
No
  
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
  
Birds
  
Allergy
Not Available
  
Pollen
  
Uses
  
  
Aesthetic Uses
Ground Cover
  
Showy Purposes
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification
  
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
  
Plant Benefits
  
  
Medicinal Uses
Asthma, Chronic fatigue
  
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
  
Part of Plant Used
Leaves, Seeds, Stem
  
Leaves, Seeds, Wood
  
Other Uses
Used as Ornamental plant
  
Used as firewood, used for making charcoal
  
Used As Indoor Plant
Sometimes
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Bog Garden, Container, Water Gardens
  
Feature Plant, Shade Trees
  
Botanical Name
PETASITES japonicus 'Purpureus'
  
QUERCUS leucotrichophora
  
Common Name
Giant Butterbur, Japanese Butterbur, Purple Butterbur
  
Banj Oak, Blackjack Oak, Himalayan Oak
  
In Hindi
Purple Butterbur
  
Blackjack Oak Tree
  
In German
Lila Pestwurz
  
Blackjack Oak Tree
  
In French
Violet Butterbur
  
Blackjack Oak Tree
  
In Spanish
púrpura petasita
  
Blackjack Oak Tree
  
In Greek
Purple Butterbur
  
Blackjack Oak Tree
  
In Portuguese
roxo Carrapicho
  
Blackjack Carvalho
  
In Polish
Purpurowy Lepiężnik
  
Blackjack Oak Tree
  
In Latin
Purple Butterbur
  
Blackjack quercum ligno
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Asterales
  
Fagales
  
Family
Asteraceae
  
Fagaceae
  
Genus
Petasites
  
Quercus
  
Clade
Angiosperms, Asterids, Eudicots
  
Angiosperms, Eudicots, Rosids
  
Tribe
Senecioneae
  
Not Available
  
Subfamily
Not Available
  
Not Available
  
Number of Species
Not Available
  
Not Available
  
Season and Care of Purple Butterbur and Blackjack Oak
Season and care of Purple Butterbur and Blackjack Oak is important to know. While considering everything about Purple Butterbur and Blackjack Oak Care, growing season is an essential factor. Purple Butterbur season is Spring, Summer and Fall and Blackjack Oak season is Spring, Summer and Fall. The type of soil for Purple Butterbur is Clay, Loam, Sand and for Blackjack Oak is Loam while the PH of soil for Purple Butterbur is Acidic, Neutral, Alkaline and for Blackjack Oak is Acidic.
Purple Butterbur and Blackjack Oak Physical Information
Purple Butterbur and Blackjack Oak physical information is very important for comparison. Purple Butterbur height is 60.00 cm and width 120.00 cm whereas Blackjack Oak height is 2,286.00 cm and width 1,219.20 cm. The color specification of Purple Butterbur and Blackjack Oak are as follows:
Purple Butterbur flower color: Light Yellow and Ivory
Purple Butterbur leaf color: Green, Purple and Burgundy
Blackjack Oak flower color: Red and Yellow green
- Blackjack Oak leaf color: Green, Light Green and Gray
Care of Purple Butterbur and Blackjack Oak
Care of Purple Butterbur and Blackjack Oak include pruning, fertilizers, watering etc. Purple Butterbur pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Blackjack Oak pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Purple Butterbur needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Blackjack Oak needs Lots of watering and in winter, it needs Average Water.