<p>At the beginning of March in Japan, 10,000 people come to the park where <em>Adonis</em> has naturalized. The sunny little yellow flowers may be just 1 1/2 inches in diameter, but there's a carpet of them...thousands and thousands. It's the first sign of spring. And once bloom is done, the ferny mounds of foliage unfold.
<p>Members of the <em>Adonis</em> family can be
found from Sweden to North Africa to Japan. Some are perennial,
spreading by rhizomes or stolons; others are annual. While they're generally
happiest in part shade, many are fine in full sun with enough moisture.
However, as natives of rocky areas, hillsides, and loose forest soils they do insist on good
drainage,</p>