Life Span
Perennial
Perennial
Type
Grass
Tree
Origin
Japan
Northeastern United States, Mid-Atlantic United States, Central United States, Canada
Types
Hakonechloa macra, Hakone grass
Blue ash, Single-leaf ash, Fragrant ash
Number of Varieties
4545
0
40000
👆🏻
Habitat
meadows, Riverbanks, Wet Woods
Moist Soils
USDA Hardiness Zone
5-93-7
0
99
👆🏻
AHS Heat Zone
9 - 5
7-1
Sunset Zone
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
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
30.50 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm610.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Purple
Green, Tan
Leaf Color in Spring
Yellow, Green, Light Green
Green, Dark Green
Leaf Color in Summer
Light Green
Dark Green
Leaf Color in Fall
Orange, Yellow green, Orange Red
Yellow, Yellow green, Brown, Bronze
Leaf Color in Winter
Green, Dark Green
-
Shape
Leaf Shape
Oblovate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Slow
Fast
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Late Summer, Early Fall, Fall
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Dry soil, Shallow soil
Wet Site
Where to Plant?
Ground
Ground
How to Plant?
From Rhizomes
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Keep ground moist
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Consistently
Moderate
In Winter
Adequately
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun
Pruning
Prune grass to maintain level, Prune if you want to improve plant shape
Prune in fall, Prune in winter, Prune when plant is dormant, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove short twigs
Fertilizers
organic fertlizers
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Red blotch
Plant Tolerance
Shade areas, Shallow soil, Wet Site
Wet Site
Flowers
Insignificant
Insignificant
Flower Petal Number
Single
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Ants, Beetles, Caterpillar
Birds
Allergy
allergic conjunctivitis, Asthma, Rash
-
Uses
Aesthetic Uses
Beautification, Ground Cover
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Provides ground cover, Shadow Tree
Air purification, Nesting sites for birds, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
Acne, Aging, Laxative
Antirheumatic, Diaphoretic, Diuretic, Fever, Gout, Laxative, Ophthalmic, Purgative, Sore Eyes, Sore throat, Tonic
Part of Plant Used
Leaves
Inner Bark, Leaves, Tree trunks
Other Uses
Can be made into a herbal tea, Showy Purposes
Basketary, Used as a dye, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edging, Mixed Border, Rock Garden / Wall, Water Gardens
Shade Trees, Water Gardens
Botanical Name
HAKONECHLOA macra 'Aureola'
FRAXINUS nigra
Common Name
Golden Japanese Forest Grass, Hakone Grass
Black Ash, Brown Ash, Swamp Ash
In Hindi
जापानी वन घास
Black Ash plant
In German
Japanische gras
Black Ash Pflanze
In French
Forêt herbe japonaise
plante Black Ash
In Spanish
forestales hierba japonesa
planta de negro de Ceniza
In Greek
Ιαπωνικά γρασίδι δάσος
φυτό μαύρη τέφρα
In Portuguese
floresta grama japonês
planta Black Ash
In Polish
Japoński las lato
Black Ash roślin
In Latin
Forest gramina Italica
Black ash herba
Kingdom
Plantae
Plantae
Phylum
Angiosperms
Magnoliophyta
Class
Monocots
Magnoliopsida
Order
Poales
Scrophulariales
Family
Poaceae
Oleaceae
Genus
Hachanechloa
Fraxinus
Clade
Angiosperms
Angiosperms, Asterids, Eudicots
Tribe
-
Oleeae
Subfamily
Arundinariinae
-
Number of Species
5018
1
27800
👆🏻