Periwinkle
Hardy Perennial.
Trailer, any height from three inches to three
or four feet.
Flowers blue, almost all the year. Also white
and rose varieties.
A most long-suffering evergreen climber, standing
out against discouragements which would deter
most vegetable matter.
It will thrive and flower
freely in north aspects, and under trees, and
it will struggle on amid the soot and fogs of
town back-yards.
Nevertheless, it is worth while
once in a way to give it a fair chance in tolerable
soil and an open exposure.
Pieces of the root
may be planted almost any time; after some years
the plants may be forked up, and the best pieces
replanted after mending the soil.
The flowers
of the common variety, vinca minor, are of a beautiful
light bluish mauve; there is a pure white form,
the flowers smaller than in minor, very freely
produced, but short-lived, in spring.
Vinca minor variegata has its leaves edged with
cream-colour; there are also plants with double
blue and double rose flowers.
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