Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
North America
Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
Types
Water elm
Ratibida columnifera
Number of Varieties
3525
0
40000
👆🏻
Habitat
Floodplains, Hillside, stream banks, Swamps, Upland
Dry areas, Prairies, Rocky areas, rocky outcrops
USDA Hardiness Zone
3-93-10
0
99
👆🏻
AHS Heat Zone
9-1
10-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21
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
Habit
Upright/Erect
Upright/Erect
Plant Size
Minimum Height
1,830.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
910.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Green
Yellow, Purple, Burgundy, Light Green, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Tan
Brown
Leaf Color in Spring
Light Green
Light Green, Gray Green
Leaf Color in Summer
Dark Green
Light Green, Gray Green
Leaf Color in Fall
Light Yellow
Light Green, Gray Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Oblique base
Subulate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic, Neutral
Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Late Spring, Early Summer, Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Cold climate, Drought, Pollution, Salt
Drought
Where to Plant?
Ground
Ground
How to Plant?
Rooted stem cutting, Seedlings, Stem Planting
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Average Water Needs, Requires regular watering, Requires watering in the growing season, Water Deeply
Average Water Needs, Water in morning to avoid prompting diseases
In Summer
Ample Water
Lots of watering
In Spring
Average Water
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Neutral
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun
Full Sun
Pruning
Remove dead branches, Remove dead or diseased plant parts, Remove hanging branches
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
Fertilizers
Fertilize every year, fertilize in growing season, Nitrogen, Phosphorous, Potassium
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
Bark beetles, Beetles, Borers, Mites, Moth, Red blotch, Scale
Pests and diseases free, Red blotch
Plant Tolerance
Cold climate, Drought, Salt
Drought, Dry Conditions, Dry soil, Full Sun
Flowers
Insignificant
Showy
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
Medium
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Birds, Butterflies
Allergy
allergic reaction, Asthma
Rhinitis
Uses
Aesthetic Uses
Landscape Designing
Borders
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Absorbs greenhouse gases, Absorbs huge amounts of CO2, Air purification, Food for birds, Forms dense stands, Nesting sites for birds, Prevent Soil Erosion, Shelter for wildlife, Wildlife
Air purification
Plant Benefits
Medicinal Uses
Antispasmodic, Astringent
Analgesic
Part of Plant Used
Bark, Stem, Tree trunks, Wood
Flowers
Other Uses
Used as firewood, Used for woodware, Used in biomass, Used in construction, Used in Furniture, Used in paper industry, Used in pulpwood and lumber production, Wood is used for making furniture, Wood is used for ship building, Wood is used fore making tools, Wood is used in construction, Wood log is used in making fences
Can be made into a herbal tea, Used in making tea
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Cutflower, Mixed Border, Wildflower
Botanical Name
ULMUS americana
RATIBIDA columnifera
Common Name
American Elm
Mexican Hat
In Hindi
अमेरिकी एल्म
Mexican Hat
In German
amerikanische Ulme
Mexican Hat
In French
orme d'Amérique
Mexican Hat
In Spanish
olmo americano
mexican Hat
In Greek
American Elm
Mexican Hat
In Portuguese
olmo americano
Mexican Hat
In Polish
Amerykański wiązu
Mexican Hat
In Latin
Latin ulmo
Mexicanus Hat
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rosales
Asterales
Family
Ulmaceae
Asteraceae
Genus
Ulmus
Ratibida
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
4014
1
27800
👆🏻