Life Span
Perennial
  
Perennial
  
Type
Perennial
  
Tree
  
Origin
California
  
North America
  
Types
Not Available
  
Water elm
  
Habitat
Chaparral, River side
  
Floodplains, Hillside, stream banks, Swamps, Upland
  
USDA Hardiness Zone
7-10
  
3-9
  
AHS Heat Zone
9-1
  
9-1
  
Sunset Zone
H1, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21
  
Habit
Upright/Erect
  
Upright/Erect
  
Plant Size
  
  
Minimum Height
1,830.00 cm
  
22
Minimum Width
Not Available
  
Plant Color
  
  
Flower Color
White, Yellow
  
Green
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Green, Tan
  
Tan
  
Leaf Color in Spring
Gray Green
  
Light Green
  
Leaf Color in Summer
Gray Green
  
Dark Green
  
Leaf Color in Fall
Gray Green
  
Light Yellow
  
Leaf Color in Winter
Light Green
  
Not Available
  
Shape
  
  
Leaf Shape
Lance shaped
  
Oblique base
  
Thorns
Yes
  
No
  
Plant Season
Spring, Summer
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun
  
Full Sun
  
Growth Rate
Fast
  
Fast
  
Type of Soil
Loam, Sand
  
Loam
  
The pH of Soil
Neutral, Alkaline
  
Acidic, Neutral
  
Soil Drainage
Well drained
  
Average
  
Bloom Time
Early Spring, Spring, Late Spring, Early Summer, Summer
  
Early Spring
  
Repeat Bloomer
Yes
  
No
  
Tolerances
Drought
  
Cold climate, Drought, Pollution, Salt
  
Where to Plant?
Ground
  
Ground
  
How to Plant?
Cuttings, Seedlings
  
Rooted stem cutting, Seedlings, Stem Planting
  
Plant Maintenance
Medium
  
Low
  
Watering Plants
  
  
Watering Requirements
Needs watering once a week, Water well when planted
  
Average Water Needs, Requires regular watering, Requires watering in the growing season, Water Deeply
  
In Summer
Lots of watering
  
Ample Water
  
In Spring
Moderate
  
Average Water
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Neutral, Alkaline
  
Acidic, Neutral
  
Soil Type
Loam, Sand
  
Loam
  
Soil Drainage Capacity
Well drained
  
Average
  
Sun Exposure
Full Sun
  
Full Sun
  
Pruning
prune nearly to the ground in late fall
  
Remove dead branches, Remove dead or diseased plant parts, Remove hanging branches
  
Fertilizers
organic fertlizers
  
Fertilize every year, fertilize in growing season, Nitrogen, Phosphorous, Potassium
  
Pests and Diseases
Verticillium Wilt
  
Bark beetles, Beetles, Borers, Mites, Moth, Red blotch, Scale
  
Plant Tolerance
Drought
  
Cold climate, Drought, Salt
  
Flowers
Showy
  
Insignificant
  
Flower Petal Number
Single
  
Single
  
Fruits
  
  
Showy Fruit
No
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
Yes
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
Not Available
  
No
  
Showy Bark
Yes
  
No
  
Foliage Texture
Not Available
  
Medium
  
Foliage Sheen
Not Available
  
Matte
  
Evergreen
No
  
No
  
Invasive
Sometimes
  
No
  
Self-Sowing
No
  
Yes
  
Attracts
Bees, Birds, Butterflies
  
Not Available
  
Allergy
no allergic reactions
  
allergic reaction, Asthma
  
Uses
  
  
Aesthetic Uses
Showy Purposes
  
Landscape Designing
  
Beauty Benefits
Not Available
  
No Beauty Benefits
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification
  
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
  
Plant Benefits
  
  
Medicinal Uses
antimicrobial, Astringent, Gum Problems, Stomach pain
  
Antispasmodic, Astringent
  
Part of Plant Used
Flower Stalk
  
Bark, Stem, Tree trunks, Wood
  
Other Uses
Used as Ornamental plant
  
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
  
Used As Indoor Plant
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Groundcover, Mixed Border, Wildflower
  
Feature Plant, Shade Trees, Street Trees
  
Botanical Name
ROMNEYA coulteri
  
ULMUS americana
  
Common Name
Matilija Poppy
  
American Elm
  
In Hindi
Matilija Poppy
  
अमेरिकी एल्म
  
In German
Matilija Poppy
  
amerikanische Ulme
  
In French
Matilija Poppy
  
orme d'Amérique
  
In Spanish
Matilija amapola
  
olmo americano
  
In Greek
Matilija παπαρούνας
  
American Elm
  
In Portuguese
Matilija Poppy
  
olmo americano
  
In Polish
Matilija Poppy
  
Amerykański wiązu
  
In Latin
Matilija Poppy
  
Latin ulmo
  
Kingdom
Plantae
  
Plantae
  
Phylum
Magnoliophyta
  
Magnoliophyta
  
Class
Magnoliopsida
  
Magnoliopsida
  
Order
Papaverales
  
Rosales
  
Family
Papaveraceae
  
Ulmaceae
  
Genus
Romneya
  
Ulmus
  
Clade
Angiosperms, Eudicots
  
Angiosperms, Eudicots, Rosids
  
Tribe
Not Available
  
Not Available
  
Subfamily
Papaveroideae
  
Not Available