The Zimbabwean Gardener Issue 1 Winter 2012 | Page 8

Plant profile Solanum rantonettii The Blue potato bush hails from Argentina and Paraguay. This shrub is a joy in any garden, big or small, because if fed regularly with fertiliser or liquid manure, it blooms intermittently throughout the year. Remember, care must be taken to keep this plant in shape; don’t be afraid to prune this beautiful bush. However, this shrub, belonging to the nightshade family, is toxic. Watch out for thrips and aphids. Polygala myrtiflora Polygala is a large evergreen shrub, which can grow up to 2 metres or more and is native to the Western Cape and Kwazulu Natal, South Africa. This is a very useful screening shrub as it fills a large space and is tolerant of little care. It can survive on little water but naturally flourishes if well watered. It’s interesting to note that this plant is important for its antibacterial and antifungal properties. It has mauve flowers almost throughout the year, peaking in spring. The flowers resemble those of legumes, such as peas and beans, whilst the fruit are small winged capsules. Again, prune this shrub to shape. 8