Cordata – Plume Poppy.
4 to 6 feet.
Flowers white, in August.
A big grower, with a tendency to spread beyond
bounds, and most suitable for wide borders and
The foliage is of a beautiful grey-green, with
silvery underside, and deeply cut; the flowers
are small and somewhat tassel-shaped, of a soft
The roots, which are woody and brittle, should
be planted from November to March in deep strong
soil, in which the plant should require neither
watering or tying up, and will stand a certain
amount of shade.
At the winter clearance the stems should be cut
down to the ground, and the roots should have
a share of the annual top-dressing. If there is
space for it to spread, Bocconia may stand for
years without re-planting.