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Scientific Name:
Eschscholzia californica
Pronunciation:
eh-SHOLTZ-ee-uh kal-ih-FORE-nih-kuh
Common Name:
California poppy
Family Name:
Papaveraceae
Plant Type:
Annual
Key ID Features:
Habit upright becoming mat-like; leaves dissected, fern-like; flowers 4-5cm wide, most with 4 overlapping petals, commonly bright orange.

Habit:
Open, Upright
Form:
Creeping / Mat-like, Vase
Texture:
Fine
Mature Height:
0.2 - 0.4m
Mature Spread:
0.1 - 0.3m
Growth Rate:
Fast
Origin:
U.S. - northwest, U.S. - southwest
Hardiness Rating:
Zone 6: (-23 to -18 °C)
Exposure:
Full sun
Soil/Growing Medium:
Well-drained
Water Use:
Low
Landscape Uses:
Attract beneficial insects, Filler, Green roof technology, Summer interest
Additional Info:
Google. Compare to Welsh poppy.

Leaf Morphology:
Form:
Dissected
Arrangement:
Basal
Texture/Venation:
Soft flexible
Surfaces:
Glabrous
Colour in Summer:
Bluish, Green
Shapes:
Obovate
Apices:
Rounded
Margins:
Incised

Inflorescence Type:
Flowers solitary, Floriferous
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Campanulate
Ovary Position:
Superior
Colour (petals):
White, Orange, Yellow, Pink, Red
Flower Time at Peak:
Jun, Jul
Additional Info:
Cultivars exist with extra or 8 petals

Fruit Type:
Capsule
Fruit Colour:
Brown
Fruiting Time:
Aug, Sep

Bark or Stem Colour:
Propagation:
Seed
Pest Susceptibility:
Fungal leaf spot, Root rot, Thrips (Rabbit resistant, Drought tolerant)

Course(s):
  • HORT 2355
Location(s):
  • (BUG)  BUG garden
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