Life Span
Perennial
Perennial
Type
Ornamental Grasses and Bamboo
Tree
Origin
Southern Europe, Western Europe, Mediterranean
Asia
Types
-
Pterocarya fraxinifolia, Pterocarya stenoptera
Number of Varieties
103
0
40000
👆🏻
Habitat
Desert, Dry areas, Dry Forest, Rocky areas
Boggy areas, Mixed deciduous forest
USDA Hardiness Zone
4-96-9
0
99
👆🏻
AHS Heat Zone
9 - 1
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 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
Cushion/Mound-forming
Oval or Rounded
Plant Size
Minimum Height
45.00 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
60.96 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Green
Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Brown
Leaf Color in Spring
Blue Green, Silver, Gray
Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Blue Green, Silver, Gray
Green, Yellow green
Leaf Color in Winter
Blue Green, Tan, Silver, Gray
-
Shape
Leaf Shape
Grass like
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Salt
Drought, Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Rooted stem cutting, Seedlings, Stem Planting
Divison, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, occasional watering once established, Requires regular watering, Requires watering in the growing season
Needs less watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun
Pruning
Cut or pinch the stems, Pinch Tips, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
Pests and Diseases
Red blotch
-
Plant Tolerance
Salt
Drought, Soil Compaction
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
Fine
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Hummingbirds
Birds, Butterflies, Hummingbirds
Allergy
Asthma, Itchiness, Rash, Rhinitis
-
Uses
Aesthetic Uses
Ground Cover
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
-
Plant Benefits
Medicinal Uses
-
Diaphoretic
Part of Plant Used
Stem
Bark, Fruits, Seeds
Other Uses
Used as Ornamental plant
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edging, Mixed Border, Rock Garden / Wall
Feature Plant, Shade Trees
Botanical Name
HELICTOTRICHON sempervirens
Pterocarya fraxinifolia
Common Name
Blue Oat Grass
Caucasian wingnut, Caucasian walnut
In Hindi
ब्लू जई घास
wingnut
In German
Blau Ährengras
wingnut
In French
Bleu Oat Grass
wingnut
In Spanish
Azul hierba de avena
wingnut
In Greek
Μπλε βρώμης Grass
wingnut
In Portuguese
Azul Aveia
wingnut
In Polish
Niebieski Owies trawa
Wingnut
In Latin
Blue Oat Grass
wingnut
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Poales
Fagales
Family
Poaceae
Juglandaceae
Genus
Helictotrichon
Pterocarya
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Eudicots, Rosids
Tribe
Aveneae
Juglandeae
Subfamily
Pooideae
Juglandoideae
Number of Species
706
1
27800
👆🏻