Plectranthus spicatus is a succulent plant belonging to the family Labiatae found growing in full sun in hot dry rocky ground inland of Durban.

Growth habit
A low growing vigorously spreading  ground cover plant.

Drought resistance
These plants are very drought resistant.

Disease and pest resistance
Unknown

Suitability as Green Roof plants
These plants are valuable in plantings that are going to get the very minimum of or no water in winter in combinations with other plants that have a very vigorous nature.

Biodiversity value in the Green Roof landscape
They are one of the larval host plants used by the Gaudy Commodore Butterfly which they readily attract to the roof top planting.

Cautions and precautions in the Green Roof application
These plants tend to smother other smaller less vigorous plants therefore care must be exercised to include them a combination with other plants of a similar growth habit.