Life Span
Perennial
Biennial
Type
Perennial
Tree
Origin
Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
Central United States, Canada
Types
Ratibida columnifera
Two-petal ash, Single-leaf ash, Fragrant ash
Number of Varieties
2565
0
40000
👆🏻
Habitat
Dry areas, Prairies, Rocky areas, rocky outcrops
Dry areas, Hills, limestone outcrops, Moist woods
USDA Hardiness Zone
3-104-8
0
99
👆🏻
AHS Heat Zone
10-1
8-4
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
2a, 2b, 3a, 3b, 4, 5, 6
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
30.00 cm2,500.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm100.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Purple, Burgundy, Light Green, Brown
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Tan
Leaf Color in Spring
Light Green, Gray Green
Green
Leaf Color in Summer
Light Green, Gray Green
Green
Leaf Color in Fall
Light Green, Gray Green
Yellow, Light Yellow
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Subulate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Neutral
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Late Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Water in morning to avoid prompting diseases
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral
Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam
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 flowers, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply N-P-K
All-Purpose Liquid Fertilizer
Pests and Diseases
Pests and diseases free, Red blotch
Red blotch
Plant Tolerance
Drought, Dry Conditions, Dry soil, Full Sun
-
Flowers
Showy
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
Fine
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds
Allergy
Rhinitis
-
Uses
Aesthetic Uses
Borders
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Analgesic
-
Part of Plant Used
Flowers
Inner Bark, Seeds
Other Uses
Can be made into a herbal tea, Used in making tea
Used as a dye, Used for woodware, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Cutflower, Mixed Border, Wildflower
Shade Trees, Street Trees
Botanical Name
RATIBIDA columnifera
FRAXINUS quadrangulata
Common Name
Mexican Hat
Blue Ash
In Hindi
Mexican Hat
Blue Ash plant
In German
Mexican Hat
Blue Ash Pflanze
In French
Mexican Hat
usine Blue Ash
In Spanish
mexican Hat
planta de Blue Ash
In Greek
Mexican Hat
φυτό Blue Ash
In Portuguese
Mexican Hat
planta Blue Ash
In Polish
Mexican Hat
Blue Ash roślin
In Latin
Mexicanus Hat
Blue Ash herba
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Scrophulariales
Family
Asteraceae
Oleaceae
Genus
Ratibida
Fraxinus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
Oleeae
Subfamily
-
-
Number of Species
1465
1
27800
👆🏻