St.
John’s Wort – Hypericum
Hardy Perennial.
One to two feet.
Flowers yellow in June and July.
There are several kinds of Hypericum which are
to be reckoned as shrubs: Hypericum calycinum (“Rose
of Sharon”) may be admitted to the flower-garden.
It has a half-woody growth with smooth ovate leaves;
the flowers are single, about two inches across,
clear yellow with the tasselled bunch of stamens.
The plant is quite hardy, and prefers half-shade;
it will grow freely in plantations and shrubberies,
and is not particular as to soil.
Other varieties
are Hypericum Olympicum, patulum and Moserianum.
The
Hypericums are evergreen in most winters, and
their shoots should not be cut down in the autumn.
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