Life Span
Perennial
Perennial
Type
Fruit
Herbaceous Perennial
Origin
Western Europe
China, Japan, Korea
Types
Pyrus amygdaliformis, Pyrus armeniacifolia, Pyrus bourgaeana
-
Number of Varieties
2515
0
40000
👆🏻
Habitat
Dappled Shade, Sunny Edge, Woodland Garden Secondary
Dappled Shade, meadows, Shady Edge, Sunny Edge, Woodland Garden
USDA Hardiness Zone
5-95-9
0
99
👆🏻
AHS Heat Zone
9-5
9-4
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18
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
101.60 cm60.00 cm
0
3900
👆🏻
Minimum Width
38.10 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
-
Light Yellow, Ivory
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
-
Green
Leaf Color in Summer
-
Green
Leaf Color in Fall
-
Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oblong
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Fall
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial shade, Full Shade
Growth Rate
Slow
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Poorly Drained
Bloom Time
Spring
Early Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Medium
Water once every two or three weeks
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
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Poorly Drained
Sun Exposure
Full Sun, Partial Sun
Partial shade, Full Shade
Pruning
Remove crossing or rubbing branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove the old foliage
Fertilizers
All-Purpose Liquid Fertilizer
Use a fertilizer ratio of 16-4-8
Pests and Diseases
Red blotch
-
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
-
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
-
Bold
Foliage Sheen
-
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
-
Allergy
Itchiness, Mouth itching, Pollen, Sore Throat
-
Uses
Aesthetic Uses
-
Bog Garden, Showy Purposes
Beauty Benefits
Good for skin and hair
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Windbreak
Air purification
Plant Benefits
Medicinal Uses
Analgesic, Diuretic, Heart problems, High cholestrol, Stomach pain, Weight loss
Antiasthamatic, Antispasmodic, Expectorant, Poultice
Part of Plant Used
Fruits, Wood
Flowers, Stem
Other Uses
Used as a dye, Used for woodware
Can be boiled and seasoned, pickled, Used as umbrellas by Japanese children, Used as walking sticks, Used like rhubarb
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Fruit / Fruit Tree
Bog Garden, Container, Feature Plant, Water Gardens
Botanical Name
PYRUS 'Bosc'
PETASITES japonicus
Common Name
Bosc Pear, Pear
Giant Butterbur, Japanese Butterbur
In Hindi
Bosc Pear Tree
Giant Butterbur
In German
Bosc Pear Tree
Riesen Pestwurz
In French
Bosc Pear Tree
géant Butterbur
In Spanish
Bosc Pear Tree
gigante petasita
In Greek
Bosc Pear Tree
Giant Butterbur
In Portuguese
Bosc Pear Tree
Carrapicho gigante
In Polish
Bosc Pear Tree
Giant Lepiężnik
In Latin
Orbis Bosc ligno
Giant Butterbur
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rosales
Asterales
Family
Rosaceae
Asteraceae
Genus
Pyrus
Petasites
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Maleae
Senecioneae
Subfamily
Amygdaloideae
Asteroideae
Number of Species
241
1
27800
👆🏻