Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
Eastern Asia
Types
Ratibida columnifera
Ulmus parvifolia 'Emer II', Ulmus parvifolia 'True Green'
Number of Varieties
254
0
40000
👆🏻
Habitat
Dry areas, Prairies, Rocky areas, rocky outcrops
Woodland Garden Canopy
USDA Hardiness Zone
3-105-9
0
99
👆🏻
AHS Heat Zone
10-1
9-1
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
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
30.00 cm460.00 cm
0
3900
👆🏻
Minimum Width
30.50 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Purple, Burgundy, Light Green, Brown
Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Tan, Brown
Leaf Color in Spring
Light Green, Gray Green
Green
Leaf Color in Summer
Light Green, Gray Green
Dark Green
Leaf Color in Fall
Light Green, Gray Green
Yellow, Red, Green
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Subulate
Elliptic, toothed
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
-
Type of Soil
Loam, Sand
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
Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
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
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial 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
6-12-12 or 5-10-10
Pests and Diseases
Pests and diseases free, Red blotch
Canker, Leaf spot, Rots, Wilts
Plant Tolerance
Drought, Dry Conditions, Dry soil, Full Sun
Drought
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
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Birds
Allergy
Rhinitis
Moderate Allergen
Uses
Aesthetic Uses
Borders
Bonsai, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Analgesic
Antidote, Demulcent, Diuretic, Expectorant, Febrifuge, Hypnotic
Part of Plant Used
Flowers
Fruits, Inner Bark, Leaves
Other Uses
Can be made into a herbal tea, Used in making tea
Can be grown in a shelter belt, Used as a thickener in soups
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Cutflower, Mixed Border, Wildflower
Container, Feature Plant, Mixed Border, Shade Trees, Street Trees, Topiary / Bonsai / Espalier
Botanical Name
RATIBIDA columnifera
ULMUS parvifolia
Common Name
Mexican Hat
Chinese Elm, Lacebark Elm
In Hindi
Mexican Hat
Lacebark Elm
In German
Mexican Hat
Lacebark Elm
In French
Mexican Hat
Lacebark Elm
In Spanish
mexican Hat
Lacebark Elm
In Greek
Mexican Hat
Lacebark Elm
In Portuguese
Mexican Hat
Lacebark Elm
In Polish
Mexican Hat
Lacebark Elm
In Latin
Mexicanus Hat
Lacebark Elm
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asterales
Urticales
Family
Asteraceae
Ulmaceae
Genus
Ratibida
Ulmus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
Ulmeae
Subfamily
-
-
Number of Species
1410
1
27800
👆🏻