Life Span
Perennial
Perennial
Type
Grass
Perennial
Origin
North America, United States, Southwestern United States, Texas, Mexico
Southeastern United States, South-Central United States
Types
Foxtail muhly, Devils Canyon muhly, alkali muhly
Apricot Queen, August Flame, Autumn Fire
Number of Varieties
28
0
40000
👆🏻
Habitat
High elevation, Hillside, Slopes
Fields, marshes, Swamps
USDA Hardiness Zone
7-106-11
0
99
👆🏻
AHS Heat Zone
12 - 7
-
Sunset Zone
-
H1, H2, 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
Clump-Forming
Plant Size
Minimum Height
45.72 cm60.00 cm
0
3900
👆🏻
Minimum Width
60.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Purple, White
Orange, Dark Red, Orange Red, Copper, Chocolate, Black
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, White
Brown
Leaf Color in Spring
Light Green, Blue Green
Green
Leaf Color in Summer
Light Green
Green
Leaf Color in Fall
Blue Green, Gray Green
Green
Leaf Color in Winter
Blue Green, Gray Green, Tan
Light Green
Shape
Leaf Shape
Grass like
Long Linear
Thorns
✔
✘
✔
✘
Plant Season
Summer, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Poorly Drained
Bloom Time
Early Fall, Fall
Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground, Pot
How to Plant?
Divison, Seedlings
From Rhizomes, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering, Water every 3 weeks until the root ball is wet
Do not let dry out between waterings, Needs Very high moisture
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
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Poorly Drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Grass Cuttting and pruning up to 5cm, Prune in early spring, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, EDTA iron
organic fertlizers
Pests and Diseases
Red blotch
Mosaic potyvirus
Plant Tolerance
Drought
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
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies
Butterflies, Hummingbirds
Allergy
Pollen
Poisonous to grazing animals
Uses
Aesthetic Uses
Ground Cover
Bog Garden, Water gardening
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, soil erosion prevension on hill slopes, Wildlife
Air purification
Plant Benefits
Medicinal Uses
-
Sedative
Part of Plant Used
-
Flowers
Other Uses
Used as Ornamental plant
Oil is used for aromatherapy
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Dried Flower/Everlasting, Foundation, Groundcover, Mixed Border, Rock Garden / Wall
Bog Garden, Water Gardens, Wildflower
Botanical Name
MUHLENBERGIA emersleyi
IRIS fulva
Common Name
Bull Grass
Copper iris
In Hindi
Bull Grass
Copper Iris
In German
Bull Grass
Copper Iris
In French
Bull Herbe
Copper Iris
In Spanish
Bull Hierba
Cobre Iris
In Greek
Δελτίο Grass
χαλκός Iris
In Portuguese
touro grama
Copper Iris
In Polish
Bull Trawa
Miedź Iris
In Latin
Bull Grass
Iris Copper
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Liliopsida
Order
Cyperales
Liliales
Family
Poaceae
Iridaceae
Genus
Muhlenbergia
Iris
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Monocots
Tribe
Eragrostideae
Irideae
Subfamily
Chloridoideae
Iridoideae
Number of Species
180250
1
27800
👆🏻