Initially the growth habit is upright but it may have a
need for support or may simply drape over a low shrub.
Climbs by twisting leaf petioles.
It is usually about 2 feet tall but there is variability
with heights sometimes reaching 4 feet.
Flowers are
solitary, terminal, nodding and urn-shaped.
They are 1˝ long and are blue or bluish-purple.
There are 4 sepals with tomentum near the
margins.
Early to midsummer.
Opposite leaves,
simple and sessile. The leaves have an entire
margin, are ovate in shape, 4 inches long and
are widely spaced on thin, sometimes weak stems.
The lower leaf surface and margins are covered
with a fine pubescence. The leaves are not
trifoliate as is often found on other
Clematis and the foliage is devoid of any
climbing properties.
Clematis requires a
warm top (full sun to partial shade on the vine) and a cool bottom
(shade on the root zone).
var. alba - White flowers.
'Olgae' - Light blue, fragrant flowers and twisted sepals.
