A beautiful plant, my friend and Viola plant (lat. Viola) belongs to the genus in the family of Violaceae, the representatives of which grow mainly in mountainous areas and places with a moderate climate of the Northern Hemisphere and number from four to seven hundred species according to various sources. Some of the violas are endemic to the South American Andes, some of them occur in the subtropics of Brazil, the tropics of South Africa, Australia, the Hawaiian Islands and New Zealand
So you can not even have a garden in front of your house to pay for your hobby, but you can arrange a garden in a verandah in the vicinity of the dream garden. And there is no room if there is a roof! The popular way to gardens on the roof of the house, verandah or cornice is to plant flowers on the table. Vegetables can also be grown on the table. However, it is important to know some rules and regulations before planting trees before and after. The tree plant will also grow beautiful if it is served properly...
https://www.irishnews.com/lifestyle/2018/03/24/news/gardening-guide-to-growing-perfect-primulas-and-how-to-make-the-most-of-these-colourful-plants-1282265/
What causes primroses (Primula species) to become male or female? Is there a stage in development where you can do something to change the gender of the flowers?