Macleaya Cordata, better known as Bocconia, has the common name of Plume Poppy, although it does not resemble a poppy in any way. The best means of increase is by division ofin spring or autumn, retaining for best results the outer portion of the clumps. can also be sown in the open in June.
It is an ideal plant for the centre or back of the border, since the spikes grow 5-8 ft high. It is important to space it so that the foliage can be seen, for theare beautiful and highly decorative. They are well cut and of a greenish-bronze shade, being white underneath, so that individual leaves may be used when of many kinds.