Life Span
Perennial
Annual and Perennial
Type
Tree
Perennial
Origin
Asia
Europe, Northern Europe, Western Europe, United Kingdom
Types
Pterocarya fraxinifolia, Pterocarya stenoptera
M. v. brevipetala
M. v. collina
M. v. frozen
M. v. grandiflora
M. v. paui
M. v. verna
M. v. japonica
Number of Varieties
37
0
40000
👆🏻
Habitat
Boggy areas, Mixed deciduous forest
gardens, Grassland, Prairies, Suburban areas, Tropical regions
USDA Hardiness Zone
6-94-7
0
99
👆🏻
AHS Heat Zone
9-1
8-1
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Mat-forming
Plant Size
Minimum Height
1,520.00 cm7.60 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm20.30 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green, Yellow green
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
Tiny
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring
Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Soil Compaction
Drought
Where to Plant?
Ground
Ground, Pot
How to Plant?
Divison, Stem Cutting
Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
Keep ground moist, Never Over-water, Requires watering in the growing season, Water more in summer
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
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove dead leaves, Remove deadheads, Requires very little pruning
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Fungal Diseases
Plant Tolerance
Drought, Soil Compaction
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies, Hummingbirds
Butterflies
Allergy
-
-
Uses
Aesthetic Uses
-
Beautification
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification
Plant Benefits
Medicinal Uses
Diaphoretic
Burns, Thyroid problems, tuberculosis
Part of Plant Used
Bark, Fruits, Seeds
Flowers, Leaves
Other Uses
-
Culinary use, Used As Food
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Alpine, Container, Edging, Groundcover, Lawns and Turf, Mixed Border, Rock Garden, Wall
Botanical Name
Pterocarya fraxinifolia
MINUARTIA verna
Common Name
Caucasian wingnut, Caucasian walnut
Irish Moss
In Hindi
wingnut
आयरिश काई
In German
wingnut
Irish Moss
In French
wingnut
Irish Moss
In Spanish
wingnut
musgo de irlanda
In Greek
wingnut
Irish Moss
In Portuguese
wingnut
Moss irlandês
In Polish
Wingnut
mech irlandzki
In Latin
wingnut
Irish Moss
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
-
Order
Fagales
Caryophyllales
Family
Juglandaceae
Caryophyllaceae
Genus
Pterocarya
Minuartia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Core eudicots, Eudicots
Tribe
Juglandeae
-
Subfamily
Juglandoideae
-
Number of Species
650
1
27800
👆🏻