Periwinkle plants are easy to grow

The domain investor had sown a large number of seeds in the garden, however almost no seed has germinated and grown into a flowering plant
The only exception to the rule are the periwinkle plants which growing fairly well.
Each plant has many seeds and during the monsoon when it rains well, the seeds germinate.
Though the dark pink purple variety of periwinkle flowers are fairly common, it was good to find a flowering plant which grew fast.