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Matilija Poppy, Coulter's Matilija Poppy, California Tree Poppy, Fried Egg Poppy, Fried-egg Flowers
Romneya coulteri

Upright, woody, multi-stemmed perennial shrub. Smooth, deeply-lobed, grey-green to blue-green leaves. Large flowers-up to 9 inches across. Delicate crinkly petals around a bright yellow center. Lightly fragrant. Attracts hummingbirds and bees. Interesting oblong seedpods. May act winter deciduous. Treat as a perennial and cut back in late fall or winter. Spreads by rhizomes. Potentially invasive. Well drained soil is especially important with our alkaline soils. Does not transplant well once established.

  • Plant type: Perennial, Shrub
  • Maintenance level: Medium
  • Water requirement: Medium, Low
  • Sun exposure: Full, Part Sun, Morning Sun, Afternoon Sun
  • Height range: 6 Feet
  • Width range: 6 Feet
  • Canopy value: 28 ft²
  • Growth rate: Slow
  • Seasonal habit: Semi-Deciduous
  • Flower color: Yellow, White
  • Flower season: Summer
  • Fruit color: Brown
  • Fruit season: Autumn
  • General foliage color: Grey, Green
  • Design style: Pollinator Plants
  • Hardiness cold tolerance: 10 °F
  • Soil preference: Well Drained
  • Native location: Southern California, Baja California
  • PH preference: Alkaline/Basic, Neutral, Not Particular
  • Sunset zones: 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1
  • USDA hardiness zone: 7a, 7b, 8a, 8b

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