Romneya coulteri also called Spiegelei or Californian tree poppy is a special and striking flowering perennial and should not be missed in the collection of lovers of flowering plants.
This plant originates in California. The leaves are blue / gray in color and serrated.
It is a shrub-like growing plant that can grow to over 100 cm and 80 cm wide.
The flowers are completely fantastic, they are up to 12 cm wide and are virgin white in color. At the heart of the flowers are spherical orange / yellow core that looks like a fried egg.
The white petals look like crepe paper and almost not really. The flowers also smell very good. You can expect the flowering in the months of July to September.
The Romneya coulteri is fine as a tub plant but can also be planted in the open ground in a sunny spot. As a tub plant you can prune back the plant in November to 20 cm and overwinter frost-free.
The soil does not soil her in the ground, she is tolerant even drought and does well on poor soil. Clay soil is also not a problem.
In the winter the plant will die off completely if it is planted in the ground.
The Romneya coulteri is unexpectedly hardy despite its subtropical appearance.
From the spring when the weather is warmer, the new blue / gray shoots reappear.
You can possibly cut the dead leaves from the plant to the ground immediately after the winter.
If there is a long and severe winter, you can apply some mulch above the roots of the plant so that the roots can not freeze.
Winter hardiness zone 7b (-15ºC).