Vinca's are like the little energizer bunnies of the annual flowering world. The plants in this photo are about 2 years old, and show no sign of slowing down. Vinca's are sold as annual flowers in Australia, however if you look after them, as you can see, they keep growing. They come in an assortment of colours, including red, white, light and dark pink and light purple. They dont grow much higher then about 40cm and if they are happy, they will flower profusely. The biggest thing you have to watch for is mildew and similar fungi. The plant will look wilty, and sometimes has a slight powder on the leaf. The leaves will start to die and get little black spots on them. When this happens, and it usually happens in the winter time, cut the plant back to about half its size and spray with a fungicide (usually anything that contains copper sulfate, fungi hate copper), and they should spring right back after a month or so and keep on keeping on.
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