Life Span
Perennial
Perennial
Type
Tree
Grass
Origin
Asia
World/Pandemic, North America, Europe, Russia/Siberia, Asia
Types
Pterocarya fraxinifolia, Pterocarya stenoptera
Blue fescue, Large Blue fescue
Number of Varieties
31
0
40000
👆🏻
Habitat
Boggy areas, Mixed deciduous forest
Moist Soils, Rocky areas, Well Drained
USDA Hardiness Zone
6-94-8
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
1a, 1b, 2a, 2b, 3a, 3b, 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
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm30.50 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm25.40 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
-
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green
Blue Green, Gray
Leaf Color in Summer
Green
Light Green
Leaf Color in Fall
Green, Yellow green
Blue Green, Gray
Leaf Color in Winter
-
Blue Green, Tan, Gray
Shape
Leaf Shape
Pinnate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Divison, Stem Cutting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
Requires regular watering
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
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
Apply 10-10-10 amount
Pests and Diseases
-
Red blotch
Plant Tolerance
Drought, Soil Compaction
Drought
Flowers
Showy
Insignificant
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies, Hummingbirds
Birds, Butterflies
Allergy
-
-
Uses
Aesthetic Uses
-
Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification, Provides ground cover
Plant Benefits
Medicinal Uses
Diaphoretic
-
Part of Plant Used
Bark, Fruits, Seeds
Flowers, Seeds
Other Uses
-
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Bedding Plant, Container, Feature Plant, Mixed Border, Rock Garden / Wall
Botanical Name
Pterocarya fraxinifolia
FESTUCA glauca 'Boulder Blue'
Common Name
Caucasian wingnut, Caucasian walnut
Blue Fescue, Boulder Blue Fescue
In Hindi
wingnut
Boulder Blue Fescue
In German
wingnut
Boulder Blau -Schwingel
In French
wingnut
Boulder bleu fétuque
In Spanish
wingnut
Boulder azul de la hierba festuca
In Greek
wingnut
Boulder μπλε γρασίδι φεστούκα
In Portuguese
wingnut
Boulder Blue Grass festuca
In Polish
Wingnut
Boulder niebieskie trawy kostrzewy
In Latin
wingnut
Hyacintho herba, lapidem fescue
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Cyperales
Family
Juglandaceae
Poaceae
Genus
Pterocarya
Festuca
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
Juglandeae
Poeae
Subfamily
Juglandoideae
Pooideae
Number of Species
661
1
27800
👆🏻