Life Span
Perennial
Perennial
Type
Perennial
Grass
Origin
Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
Europe, Western Asia
Types
Ratibida columnifera
Blue Dune Lyme Grass
Number of Varieties
257
0
40000
👆🏻
Habitat
Dry areas, Prairies, Rocky areas, rocky outcrops
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
USDA Hardiness Zone
3-107-9
0
99
👆🏻
AHS Heat Zone
10-1
9 - 7
Sunset Zone
A1, A2, A3, H1, H2, 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
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Spreading
Plant Size
Minimum Height
30.00 cm150.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm75.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Purple, Burgundy, Light Green, Brown
Creamy Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Light Green, Gray Green
Blue Green, Gray Green
Leaf Color in Summer
Light Green, Gray Green
Light Green
Leaf Color in Fall
Light Green, Gray Green
Blue Green, Gray Green
Leaf Color in Winter
Light Green
Tan
Shape
Leaf Shape
Subulate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Summer
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Late Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Drought, Soil Compaction
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Root Division, Rooted stem cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Water in morning to avoid prompting diseases
Average Water Needs, occasional watering once established
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Pinch Tips, Remove damaged leaves, Remove dead branches, Remove dead flowers, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
No pruning needed in the early stages, Prune grass to maintain level
Fertilizers
All-Purpose Liquid Fertilizer, Apply N-P-K
All-Purpose Liquid Fertilizer, fertilize in spring
Pests and Diseases
Pests and diseases free, Red blotch
Red blotch
Plant Tolerance
Drought, Dry Conditions, Dry soil, Full Sun
Drought, Pollution, Soil Compaction, Wet Site
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
Fine
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Butterflies
Allergy
Rhinitis
Pollen
Uses
Aesthetic Uses
Borders
Ground Cover, Landscape Designing
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, soil erosion prevension on hill slopes, soil stabilisation
Plant Benefits
Medicinal Uses
Analgesic
-
Part of Plant Used
Flowers
Stem
Other Uses
Can be made into a herbal tea, Used in making tea
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Cutflower, Mixed Border, Wildflower
Dried Flower/Everlasting, Groundcover
Botanical Name
RATIBIDA columnifera
ELYMUS glaucus
Common Name
Mexican Hat
Blue Lyme Grass, Blue Wildrye
In Hindi
Mexican Hat
Blue Lyme Grass
In German
Mexican Hat
Blau Lyme Grass
In French
Mexican Hat
Bleu Lyme Herbe
In Spanish
mexican Hat
Azul hierba de Lyme
In Greek
Mexican Hat
Μπλε Lyme Grass
In Portuguese
Mexican Hat
Azul Lyme grama
In Polish
Mexican Hat
Niebieska Trawa Lyme
In Latin
Mexicanus Hat
Blue Lyme Grass
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Asterales
Cyperales
Family
Asteraceae
Poaceae
Genus
Ratibida
Elymus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Commelinids, Monocots
Tribe
-
Triticeae
Subfamily
-
Pooideae
Number of Species
142
1
27800
👆🏻