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Growth habit
These
plants are low growing evergreen scrambling plants that primarily
reproduce vegetatively
but also by means of seed.
Decorative value
These
plants are decorative having dark glossy green leaves and a neat growth
habit,
they produce a few pink during the summer months. In winter the and
when they
are moisture stressed the leaved turn a distinct purple colour.
Drought resistance
In their
natural habitat they are able to withstand long periods of drought due
to their
succulent nature. From my experience of growing these plants as pot
plants I
have found them to be very drought resistant.
Disease and pest resistance
These plants
are generally very disease resistant. Although they are very drought
resistant
they can also withstand very wet conditions without rotting.
Suitability as Green Roof plants
From my
experience with these plants and from indications of plants that are
being
tested under Green Roof conditions these plants certainly give the
impression
that they are going to be first rate Green Roof ground cover plants.
Biodiversity value in the Green
Roof landscape
They create
robust habitat and protection for other green roof dwellers. Their
flowers
attract pollinating insects in particular solitary bees and butterflies.
Cautions and precautions in the
Green Roof
application
None that I
am aware of at the moment
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