Apart from the well-known climbing forms there
are several Clematis of herbaceous habit, mostly
natives of Asia and valuable for use in herbaceous
Clematis heracleaefolia is of strong and upright growth.
The flowers are light blue. The best form is Clematis
h. var. davidiana, which reaches a height of three
feet and may need support; the flowers are of
a brighter blue than the type and are fragrant.
Clematis campanile is a hybrid, growing four feet high,
with fragrant flowers of pale azure blue, and
Clematis integrifolia is a native of southern Europe,
two feet high, with blue and silver flowers.
Clematis recta is of tufted habit, with pinnate leave
and many flowers one inch across, white, fragrant,
and born in branching terminal panicles up to
A light, rich loam, dressed with lime, is best
for Clematis, and perfect drainage is essential.
Support in the form of short twiggy peasticks
Propagation is by seed, stem cuttings and division.
The flowering season is from June to August for
Clematis recta; August to September for the others.