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| Identification |
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Genus
Romneya
Species
coulteri
Variety
Cultivar
Common names
California tree poppy
mission poppy
matilija poppy
Family
PAPAVERACEAE
Specimen number
S11827
Data source
HtZn p163;Frgnt p311;Xeri p286
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| Life cycle |
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Life form
Terrestrial
Life cycle
Perennial
Life span
3 - 10 years
Annual cycle
Not applicable
Stature
Flower
Growth form
Not applicable
Growth habit
Various
Overall height
8'
Overall spread
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| Climate |
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Sunshine
Various
Water
Moist
Optimal soil texture
Poor
Acceptable soil pH
Neutral
USDA hardiness
USDA zones 07a-10b
AHS heat zones
Heat zones 09-02
Sunset climate zones
Not classified
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| Garden |
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Suitable for gardens
yes
Nursery
Unknown
Compost
no
Size at acquisition
Unknown
Garden location
Unknown
Garden notes
Romneya coulteri has mild sweet flowers. Keep a watchful eye on this because it tends to be invasive. Matilija poppy (also known as mission poppy and California tree poppy) can survive cold winter nights that go as low as 0� Fahrenheit. This plant needs summer days with high heat. This species does well in poor soils. It needs soil that is moist.
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| Special qualities |
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Tolerates drought
no
Tolerates high humidity
no
Tolerates seaside conditions
no
Insect resistant
no
Disease resistant
no
Deer resistant
no
Best uses
Symbiosis
Attracts butterflies
no
Attracts hummingbirds
no
Autumn foliage
no
Colorful berries
no
Desirable qualities
Other interest
Other interest color
Other interest period
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| Adverse factors |
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Common pests
Poisonous parts
Poisonous indications
Internal poison
no
Dermatologic poison
no
Livestock poison
no
Mechanical injury
no
Hay fever pollen
Hay fever season
Adverse qualities
Invasive
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| Herbal medicine |
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Medicinal properties
Medicinal parts
Has medicinal uses
no
Do not self-administer
no
Do no use if pregnant
no
Legally restricted
no
Toxicity precautions
Medicinal notes
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| Traditional uses |
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Parts used
Traditional uses
Contemporary uses
Fragrance
fragrant flowers. pleasant fragrance
Fragrance parts
Flowers
Fragrance intensity
Mild
Fragrance category
Faintly sweet
Dye parts
Dye color
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| Cultivation |
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Propagule
Various
Pollination method
Planting style
Crop spacing
Row spacing
Cold frame
Planting period
Harvesting period
Frost tolerance
Heat requirement
Fertilizer
Typical
Time to harvest
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| Nutrition |
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Is edible
no
Culinary uses
Nutritional value
Edible parts
Description of edible parts
Flavor / texture
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| Horticulture |
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Horticulture notes
Romneya coulteri is a wildflower and may have originated from California.
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| Herbarium |
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Tag needs printing
no
Collection notes
Romneya coulteri is a perennial. Leaves: Matilija poppy (locally known in some parts as mission poppy and California tree poppy) has deeply cut leaves. Flowers: This plant has flowers with crepe paper white petals surrounding prominent bright yellow centers; each flower lasts only a few days but is from 3 to 6 inches across. The flowers are usually either white or pink, with an accent in yellow.
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